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How to use flagsArb method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

index.js

Source:index.js

1'use strict';2const assert = require ('assert');3const vm = require ('vm');4const laws = require ('fantasy-laws');5const jsc = require ('jsverify');6const Identity = require ('sanctuary-identity');7const Maybe = require ('sanctuary-maybe');8const Pair = require ('sanctuary-pair');9const show = require ('sanctuary-show');10const type = require ('sanctuary-type-identifiers');11const Useless = require ('sanctuary-useless');12const Z = require ('..');13const {version} = require ('../package.json');14const Lazy = require ('./Lazy');15const List = require ('./List');16const Sum = require ('./Sum');17const eq = require ('./eq');18const {withUnstableArraySort} = require ('./quicksort');19const {Nil, Cons} = List;20const {Nothing, Just} = Maybe;21//  mapArb :: (a -> b) -> Arbitrary a -> Arbitrary b22const mapArb = f => arb => jsc.bless ({generator: arb.generator.map (f)});23//  smapArb :: (a -> b) -> (b -> a) -> Arbitrary a -> Arbitrary b24const smapArb = f => g => arb => arb.smap (f, g, show);25//  Lazy$of :: a -> Lazy a26function Lazy$of(x) {27  eq (arguments.length, Lazy$of.length);28  return Z.of (Lazy, x);29}30//  ListArb :: Arbitrary a -> Arbitrary (List a)31const ListArb = arb => smapArb (arrayToList) (listToArray) (jsc.array (arb));32//  MaybeArb :: Arbitrary a -> Arbitrary (Maybe a)33const MaybeArb = arb => jsc.oneof (jsc.constant (Nothing), mapArb (Just) (arb));34//  Point :: () -> Point35function Point() {36  eq (arguments.length, Point.length);37  if (!(this instanceof Point)) return new Point ();38}39Point.prototype.x = 0;40Point.prototype.y = 0;41//  abs :: Number -> Number42function abs(x) {43  eq (arguments.length, abs.length);44  return Math.abs (x);45}46//  add :: (Number, Number) -> Number47function add(x, y) {48  eq (arguments.length, add.length);49  return x + y;50}51//  append :: a -> Array a -> Array a52function append(x) {53  eq (arguments.length, append.length);54  return function append$1(xs) {55    eq (arguments.length, append$1.length);56    return xs.concat ([x]);57  };58}59//  args :: (Any...) -> Arguments60function args() {61  // eslint-disable-next-line prefer-rest-params62  return arguments;63}64//  arrayToList :: Array a -> List a65const arrayToList = xs => {66  let list = Nil;67  for (let idx = 0; idx < xs.length; idx += 1) list = Cons (xs[idx], list);68  return list;69};70//  compose :: (b -> c) -> (a -> b) -> a -> c71function compose(f) {72  eq (arguments.length, compose.length);73  return function compose$1(g) {74    eq (arguments.length, compose$1.length);75    return function compose$2(x) {76      eq (arguments.length, compose$2.length);77      return f (g (x));78    };79  };80}81//  concat :: Array a -> Array a -> Array a82function concat(xs) {83  eq (arguments.length, concat.length);84  return function concat$1(ys) {85    eq (arguments.length, concat$1.length);86    return xs.concat (ys);87  };88}89//  double :: a -> Array2 a a90function double(x) {91  eq (arguments.length, double.length);92  return [x, x];93}94//  gt :: Number -> Number -> Boolean95function gt(x) {96  eq (arguments.length, gt.length);97  return function gt$1(y) {98    eq (arguments.length, gt$1.length);99    return y > x;100  };101}102//  identInc :: Number -> Identity Number103function identInc(x) {104  eq (arguments.length, identInc.length);105  return Identity (x + 1);106}107//  identity :: a -> a108function identity(x) {109  eq (arguments.length, identity.length);110  return x;111}112//  inc :: Number -> Number113function inc(x) {114  eq (arguments.length, inc.length);115  return x + 1;116}117//  joinWith :: String -> Array String -> String118function joinWith(s) {119  eq (arguments.length, joinWith.length);120  return function joinWith$1(ss) {121    eq (arguments.length, joinWith$1.length);122    return ss.join (s);123  };124}125//  length :: List a -> Integer126function length(xs) {127  eq (arguments.length, length.length);128  return xs.length;129}130//  listToArray :: List a -> Array a131function listToArray(xs) {132  eq (arguments.length, listToArray.length);133  const result = [];134  for (let list = xs; list.isCons; list = list.tail) result.push (list.head);135  return result;136}137//  lt :: Number -> Number -> Boolean138function lt(x) {139  eq (arguments.length, lt.length);140  return function lt$1(y) {141    eq (arguments.length, lt$1.length);142    return y < x;143  };144}145const node1 = {id: 1, rels: []};146const node2 = {id: 2, rels: []};147node1.rels.push ({type: 'child', value: node2});148node2.rels.push ({type: 'parent', value: node1});149//  odd :: Integer -> Boolean150function odd(x) {151  eq (arguments.length, odd.length);152  return x % 2 === 1;153}154//  ones :: Array2 Number (Array2 Number (Array2 Number ...))155const ones = [1]; ones.push (ones);156//  ones_ :: Array2 Number (Array2 Number (Array2 Number ...))157const ones_ = [1]; ones_.push ([1, ones_]);158//  parseInt_ :: Integer -> String -> Maybe Integer159function parseInt_(radix) {160  eq (arguments.length, parseInt_.length);161  return function parseInt$1(s) {162    eq (arguments.length, parseInt$1.length);163    const n = parseInt (s, radix);164    return isNaN (n) ? Nothing : Just (n);165  };166}167//  pow :: Number -> Number -> Number168function pow(base) {169  eq (arguments.length, pow.length);170  return function pow$1(exp) {171    eq (arguments.length, pow$1.length);172    return Math.pow (base, exp);173  };174}175//  product :: Foldable f => f Number -> Number176function product(xs) {177  eq (arguments.length, product.length);178  return Z.reduce ((x, y) => x * y, 1, xs);179}180//  range :: Integer -> Array Integer181function range(n) {182  eq (arguments.length, range.length);183  const result = [];184  for (let m = 0; m < n; m += 1) result.push (m);185  return result;186}187//  repeat :: Integer -> a -> Array a188function repeat(n) {189  eq (arguments.length, repeat.length);190  return function repeat$1(x) {191    eq (arguments.length, repeat$1.length);192    const result = [];193    for (let m = 0; m < n; m += 1) result.push (x);194    return result;195  };196}197//  splitOn :: String -> String -> Array String198function splitOn(sep) {199  eq (arguments.length, splitOn.length);200  return function splitOn$1(s) {201    eq (arguments.length, splitOn$1.length);202    return s.split (sep);203  };204}205//  square :: Number -> Number206function square(x) {207  eq (arguments.length, square.length);208  return x * x;209}210//  sum :: Foldable f => f Number -> Number211function sum(xs) {212  eq (arguments.length, sum.length);213  return Z.reduce (add, 0, xs);214}215//  toUpper :: String -> String216function toUpper(s) {217  eq (arguments.length, toUpper.length);218  return s.toUpperCase ();219}220//  wrap :: String -> String -> String -> String221function wrap(before) {222  eq (arguments.length, wrap.length);223  return function wrap$1(after) {224    eq (arguments.length, wrap$1.length);225    return function wrap$2(s) {226      eq (arguments.length, wrap$2.length);227      return before + s + after;228    };229  };230}231const makeValues = () => ({232  Array: ['?', '!'],233  Boolean: new Boolean (true),234  Date: new Date (0),235  Function: x => x + 1,236  Number: new Number (42),237  Object: {'?': '!'},238  RegExp: /foo/,239  String: new String ('?!'),240});241const domesticValues = makeValues ();242const alienValues = vm.runInNewContext (String (makeValues)) ();243test ('test assumptions', () => {244  eq (domesticValues.Array.constructor === alienValues.Array.constructor, false);245  eq (domesticValues.Boolean.constructor === alienValues.Boolean.constructor, false);246  eq (domesticValues.Date.constructor === alienValues.Date.constructor, false);247  eq (domesticValues.Function.constructor === alienValues.Function.constructor, false);248  eq (domesticValues.Number.constructor === alienValues.Number.constructor, false);249  eq (domesticValues.RegExp.constructor === alienValues.RegExp.constructor, false);250  eq (domesticValues.String.constructor === alienValues.String.constructor, false);251});252test ('TypeClass', () => {253  eq (typeof Z.TypeClass, 'function');254  eq (Z.TypeClass.length, 4);255  //  hasMethod :: String -> a -> Boolean256  const hasMethod = name => x => x != null && typeof x[name] === 'function';257  //  Foo :: TypeClass258  const Foo = Z.TypeClass (259    'my-package/Foo',260    'http://example.com/my-package#Foo',261    [],262    hasMethod ('foo')263  );264  //  Bar :: TypeClass265  const Bar = Z.TypeClass (266    'my-package/Bar',267    'http://example.com/my-package#Bar',268    [Foo],269    hasMethod ('bar')270  );271  eq (type (Foo), 'sanctuary-type-classes/TypeClass@1');272  eq (Foo.name, 'my-package/Foo');273  eq (Foo.url, 'http://example.com/my-package#Foo');274  eq (Foo.test (null), false);275  eq (Foo.test ({}), false);276  eq (Foo.test ({foo: () => {}}), true);277  eq (Foo.test ({bar: () => {}}), false);278  eq (Foo.test ({foo: () => {}, bar: () => {}}), true);279  eq (type (Bar), 'sanctuary-type-classes/TypeClass@1');280  eq (Bar.name, 'my-package/Bar');281  eq (Bar.url, 'http://example.com/my-package#Bar');282  eq (Bar.test (null), false);283  eq (Bar.test ({}), false);284  eq (Bar.test ({foo: () => {}}), false);285  eq (Bar.test ({bar: () => {}}), false);286  eq (Bar.test ({foo: () => {}, bar: () => {}}), true);287});288test ('Setoid', () => {289  eq (type (Z.Setoid), 'sanctuary-type-classes/TypeClass@1');290  eq (Z.Setoid.name, 'sanctuary-type-classes/Setoid');291  eq (Z.Setoid.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Setoid`);292  eq (Z.Setoid.test (null), true);293  eq (Z.Setoid.test (''), true);294  eq (Z.Setoid.test ([]), true);295  eq (Z.Setoid.test ({}), true);296  eq (Z.Setoid.test (Useless), false);297  eq (Z.Setoid.test ([Useless]), false);298  eq (Z.Setoid.test ({foo: Useless}), false);299});300test ('Ord', () => {301  eq (type (Z.Ord), 'sanctuary-type-classes/TypeClass@1');302  eq (Z.Ord.name, 'sanctuary-type-classes/Ord');303  eq (Z.Ord.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Ord`);304  eq (Z.Ord.test (null), true);305  eq (Z.Ord.test (''), true);306  eq (Z.Ord.test ([]), true);307  eq (Z.Ord.test ({}), true);308  eq (Z.Ord.test (Math.abs), false);309  eq (Z.Ord.test ([Math.abs]), false);310  eq (Z.Ord.test ({foo: Math.abs}), false);311});312test ('Semigroupoid', () => {313  eq (type (Z.Semigroupoid), 'sanctuary-type-classes/TypeClass@1');314  eq (Z.Semigroupoid.name, 'sanctuary-type-classes/Semigroupoid');315  eq (Z.Semigroupoid.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Semigroupoid`);316  eq (Z.Semigroupoid.test (null), false);317  eq (Z.Semigroupoid.test (''), false);318  eq (Z.Semigroupoid.test ([]), false);319  eq (Z.Semigroupoid.test ({}), false);320  eq (Z.Semigroupoid.test (Math.abs), true);321});322test ('Category', () => {323  eq (type (Z.Category), 'sanctuary-type-classes/TypeClass@1');324  eq (Z.Category.name, 'sanctuary-type-classes/Category');325  eq (Z.Category.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Category`);326  eq (Z.Category.test (null), false);327  eq (Z.Category.test (''), false);328  eq (Z.Category.test ([]), false);329  eq (Z.Category.test ({}), false);330  eq (Z.Category.test (Math.abs), true);331});332test ('Semigroup', () => {333  eq (type (Z.Semigroup), 'sanctuary-type-classes/TypeClass@1');334  eq (Z.Semigroup.name, 'sanctuary-type-classes/Semigroup');335  eq (Z.Semigroup.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Semigroup`);336  eq (Z.Semigroup.test (null), false);337  eq (Z.Semigroup.test (''), true);338  eq (Z.Semigroup.test ([]), true);339  eq (Z.Semigroup.test ({}), true);340});341test ('Monoid', () => {342  eq (type (Z.Monoid), 'sanctuary-type-classes/TypeClass@1');343  eq (Z.Monoid.name, 'sanctuary-type-classes/Monoid');344  eq (Z.Monoid.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Monoid`);345  eq (Z.Monoid.test (null), false);346  eq (Z.Monoid.test (''), true);347  eq (Z.Monoid.test ([]), true);348  eq (Z.Monoid.test ({}), true);349});350test ('Group', () => {351  eq (type (Z.Group), 'sanctuary-type-classes/TypeClass@1');352  eq (Z.Group.name, 'sanctuary-type-classes/Group');353  eq (Z.Group.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Group`);354  eq (Z.Group.test (null), false);355  eq (Z.Group.test (''), false);356  eq (Z.Group.test ([]), false);357  eq (Z.Group.test ({}), false);358  eq (Z.Group.test (Sum (0)), true);359});360test ('Filterable', () => {361  eq (type (Z.Filterable), 'sanctuary-type-classes/TypeClass@1');362  eq (Z.Filterable.name, 'sanctuary-type-classes/Filterable');363  eq (Z.Filterable.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Filterable`);364  eq (Z.Filterable.test (null), false);365  eq (Z.Filterable.test (''), false);366  eq (Z.Filterable.test ([]), true);367  eq (Z.Filterable.test ({}), true);368});369test ('Functor', () => {370  eq (type (Z.Functor), 'sanctuary-type-classes/TypeClass@1');371  eq (Z.Functor.name, 'sanctuary-type-classes/Functor');372  eq (Z.Functor.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Functor`);373  eq (Z.Functor.test (null), false);374  eq (Z.Functor.test (''), false);375  eq (Z.Functor.test ([]), true);376  eq (Z.Functor.test ({}), true);377});378test ('Bifunctor', () => {379  eq (type (Z.Bifunctor), 'sanctuary-type-classes/TypeClass@1');380  eq (Z.Bifunctor.name, 'sanctuary-type-classes/Bifunctor');381  eq (Z.Bifunctor.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Bifunctor`);382  eq (Z.Bifunctor.test (null), false);383  eq (Z.Bifunctor.test (''), false);384  eq (Z.Bifunctor.test ([]), false);385  eq (Z.Bifunctor.test ({}), false);386  eq (Z.Bifunctor.test (Pair ('abc') (123)), true);387});388test ('Profunctor', () => {389  eq (type (Z.Profunctor), 'sanctuary-type-classes/TypeClass@1');390  eq (Z.Profunctor.name, 'sanctuary-type-classes/Profunctor');391  eq (Z.Profunctor.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Profunctor`);392  eq (Z.Profunctor.test (null), false);393  eq (Z.Profunctor.test (''), false);394  eq (Z.Profunctor.test ([]), false);395  eq (Z.Profunctor.test ({}), false);396  eq (Z.Profunctor.test (Math.abs), true);397});398test ('Apply', () => {399  eq (type (Z.Apply), 'sanctuary-type-classes/TypeClass@1');400  eq (Z.Apply.name, 'sanctuary-type-classes/Apply');401  eq (Z.Apply.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Apply`);402  eq (Z.Apply.test (null), false);403  eq (Z.Apply.test (''), false);404  eq (Z.Apply.test ([]), true);405  eq (Z.Apply.test ({}), true);406});407test ('Applicative', () => {408  eq (type (Z.Applicative), 'sanctuary-type-classes/TypeClass@1');409  eq (Z.Applicative.name, 'sanctuary-type-classes/Applicative');410  eq (Z.Applicative.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Applicative`);411  eq (Z.Applicative.test (null), false);412  eq (Z.Applicative.test (''), false);413  eq (Z.Applicative.test ([]), true);414  eq (Z.Applicative.test ({}), false);415});416test ('Chain', () => {417  eq (type (Z.Chain), 'sanctuary-type-classes/TypeClass@1');418  eq (Z.Chain.name, 'sanctuary-type-classes/Chain');419  eq (Z.Chain.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Chain`);420  eq (Z.Chain.test (null), false);421  eq (Z.Chain.test (''), false);422  eq (Z.Chain.test ([]), true);423  eq (Z.Chain.test ({}), false);424});425test ('ChainRec', () => {426  eq (type (Z.ChainRec), 'sanctuary-type-classes/TypeClass@1');427  eq (Z.ChainRec.name, 'sanctuary-type-classes/ChainRec');428  eq (Z.ChainRec.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#ChainRec`);429  eq (Z.ChainRec.test (null), false);430  eq (Z.ChainRec.test (''), false);431  eq (Z.ChainRec.test ([]), true);432  eq (Z.ChainRec.test ({}), false);433});434test ('Monad', () => {435  eq (type (Z.Monad), 'sanctuary-type-classes/TypeClass@1');436  eq (Z.Monad.name, 'sanctuary-type-classes/Monad');437  eq (Z.Monad.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Monad`);438  eq (Z.Monad.test (null), false);439  eq (Z.Monad.test (''), false);440  eq (Z.Monad.test ([]), true);441  eq (Z.Monad.test ({}), false);442});443test ('Alt', () => {444  eq (type (Z.Alt), 'sanctuary-type-classes/TypeClass@1');445  eq (Z.Alt.name, 'sanctuary-type-classes/Alt');446  eq (Z.Alt.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Alt`);447  eq (Z.Alt.test (null), false);448  eq (Z.Alt.test (''), false);449  eq (Z.Alt.test ([]), true);450  eq (Z.Alt.test ({}), true);451});452test ('Plus', () => {453  eq (type (Z.Plus), 'sanctuary-type-classes/TypeClass@1');454  eq (Z.Plus.name, 'sanctuary-type-classes/Plus');455  eq (Z.Plus.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Plus`);456  eq (Z.Plus.test (null), false);457  eq (Z.Plus.test (''), false);458  eq (Z.Plus.test ([]), true);459  eq (Z.Plus.test ({}), true);460});461test ('Alternative', () => {462  eq (type (Z.Alternative), 'sanctuary-type-classes/TypeClass@1');463  eq (Z.Alternative.name, 'sanctuary-type-classes/Alternative');464  eq (Z.Alternative.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Alternative`);465  eq (Z.Alternative.test (null), false);466  eq (Z.Alternative.test (''), false);467  eq (Z.Alternative.test ([]), true);468  eq (Z.Alternative.test ({}), false);469});470test ('Foldable', () => {471  eq (type (Z.Foldable), 'sanctuary-type-classes/TypeClass@1');472  eq (Z.Foldable.name, 'sanctuary-type-classes/Foldable');473  eq (Z.Foldable.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Foldable`);474  eq (Z.Foldable.test (null), false);475  eq (Z.Foldable.test (''), false);476  eq (Z.Foldable.test ([]), true);477  eq (Z.Foldable.test ({}), true);478});479test ('Traversable', () => {480  eq (type (Z.Traversable), 'sanctuary-type-classes/TypeClass@1');481  eq (Z.Traversable.name, 'sanctuary-type-classes/Traversable');482  eq (Z.Traversable.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Traversable`);483  eq (Z.Traversable.test (null), false);484  eq (Z.Traversable.test (''), false);485  eq (Z.Traversable.test ([]), true);486  eq (Z.Traversable.test ({}), true);487});488test ('Extend', () => {489  eq (type (Z.Extend), 'sanctuary-type-classes/TypeClass@1');490  eq (Z.Extend.name, 'sanctuary-type-classes/Extend');491  eq (Z.Extend.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Extend`);492  eq (Z.Extend.test (null), false);493  eq (Z.Extend.test (''), false);494  eq (Z.Extend.test ([]), true);495  eq (Z.Extend.test ({}), false);496});497test ('Comonad', () => {498  eq (type (Z.Comonad), 'sanctuary-type-classes/TypeClass@1');499  eq (Z.Comonad.name, 'sanctuary-type-classes/Comonad');500  eq (Z.Comonad.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Comonad`);501  eq (Z.Comonad.test (null), false);502  eq (Z.Comonad.test (''), false);503  eq (Z.Comonad.test ([]), false);504  eq (Z.Comonad.test ({}), false);505  eq (Z.Comonad.test (Identity (0)), true);506});507test ('Contravariant', () => {508  eq (type (Z.Contravariant), 'sanctuary-type-classes/TypeClass@1');509  eq (Z.Contravariant.name, 'sanctuary-type-classes/Contravariant');510  eq (Z.Contravariant.url, `https://github.com/sanctuary-js/sanctuary-type-classes/tree/v${version}#Contravariant`);511  eq (Z.Contravariant.test (null), false);512  eq (Z.Contravariant.test (''), false);513  eq (Z.Contravariant.test ([]), false);514  eq (Z.Contravariant.test ({}), false);515  eq (Z.Contravariant.test (Math.abs), true);516});517test ('equals', () => {518  const {nestedSetoidArb} = jsc.letrec (tie => ({519    builtinSetoidArb: jsc.record ({520      value: tie ('nestedSetoidArb'),521    }),522    noSetoidArb: jsc.record ({523      'value': tie ('nestedSetoidArb'),524      '@@type': jsc.constant ('sanctuary-type-classes/NoSetoid@1'),525      '@@show': jsc.constant (function() { return `NoSetoid (${show (this.value)})`; }),526    }),527    customSetoidArb: jsc.record ({528      'value': tie ('nestedSetoidArb'),529      '@@type': jsc.constant ('sanctuary-type-classes/CustomSetoid@1'),530      '@@show': jsc.constant (function() { return `CustomSetoid (${show (this.value)})`; }),531      'fantasy-land/equals': jsc.constant (function(other) {532        return Z.equals (this.value, other.value);533      }),534    }),535    nestedSetoidArb: jsc.oneof ([536      tie ('builtinSetoidArb'),537      tie ('noSetoidArb'),538      tie ('customSetoidArb'),539      jsc.nat,540    ]),541  }));542  nestedSetoidArb.show = show;543  eq (Z.equals.length, 2);544  eq (Z.equals (null, null), true);545  eq (Z.equals (null, undefined), false);546  eq (Z.equals (undefined, null), false);547  eq (Z.equals (undefined, undefined), true);548  eq (Z.equals (false, false), true);549  eq (Z.equals (false, true), false);550  eq (Z.equals (true, false), false);551  eq (Z.equals (true, true), true);552  eq (Z.equals (new Boolean (false), new Boolean (false)), true);553  eq (Z.equals (new Boolean (false), new Boolean (true)), false);554  eq (Z.equals (new Boolean (true), new Boolean (false)), false);555  eq (Z.equals (new Boolean (true), new Boolean (true)), true);556  eq (Z.equals (false, new Boolean (false)), false);557  eq (Z.equals (new Boolean (false), false), false);558  eq (Z.equals (true, new Boolean (true)), false);559  eq (Z.equals (new Boolean (true), true), false);560  eq (Z.equals (0, 0), true);561  eq (Z.equals (0, -0), true);562  eq (Z.equals (-0, 0), true);563  eq (Z.equals (-0, -0), true);564  eq (Z.equals (NaN, NaN), true);565  eq (Z.equals (Infinity, Infinity), true);566  eq (Z.equals (Infinity, -Infinity), false);567  eq (Z.equals (-Infinity, Infinity), false);568  eq (Z.equals (-Infinity, -Infinity), true);569  eq (Z.equals (NaN, Math.PI), false);570  eq (Z.equals (Math.PI, NaN), false);571  eq (Z.equals (new Number (0), new Number (0)), true);572  eq (Z.equals (new Number (0), new Number (-0)), true);573  eq (Z.equals (new Number (-0), new Number (0)), true);574  eq (Z.equals (new Number (-0), new Number (-0)), true);575  eq (Z.equals (new Number (NaN), new Number (NaN)), true);576  eq (Z.equals (new Number (Infinity), new Number (Infinity)), true);577  eq (Z.equals (new Number (Infinity), new Number (-Infinity)), false);578  eq (Z.equals (new Number (-Infinity), new Number (Infinity)), false);579  eq (Z.equals (new Number (-Infinity), new Number (-Infinity)), true);580  eq (Z.equals (new Number (NaN), new Number (Math.PI)), false);581  eq (Z.equals (new Number (Math.PI), new Number (NaN)), false);582  eq (Z.equals (42, new Number (42)), false);583  eq (Z.equals (new Number (42), 42), false);584  eq (Z.equals (NaN, new Number (NaN)), false);585  eq (Z.equals (new Number (NaN), NaN), false);586  eq (Z.equals (new Date (0), new Date (0)), true);587  eq (Z.equals (new Date (0), new Date (1)), false);588  eq (Z.equals (new Date (1), new Date (0)), false);589  eq (Z.equals (new Date (1), new Date (1)), true);590  eq (Z.equals (new Date (NaN), new Date (NaN)), true);591  eq (Z.equals (/abc/, /xyz/), false);592  eq (Z.equals (/abc/, /abc/g), false);593  eq (Z.equals (/abc/, /abc/i), false);594  eq (Z.equals (/abc/, /abc/m), false);595  eq (Z.equals (/abc/, /abc/), true);596  eq (Z.equals (/abc/g, /abc/g), true);597  eq (Z.equals (/abc/i, /abc/i), true);598  eq (Z.equals (/abc/m, /abc/m), true);599  eq (Z.equals ('', ''), true);600  eq (Z.equals ('abc', 'abc'), true);601  eq (Z.equals ('abc', 'xyz'), false);602  eq (Z.equals (new String (''), new String ('')), true);603  eq (Z.equals (new String ('abc'), new String ('abc')), true);604  eq (Z.equals (new String ('abc'), new String ('xyz')), false);605  eq (Z.equals ('abc', new String ('abc')), false);606  eq (Z.equals (new String ('abc'), 'abc'), false);607  eq (Z.equals ([], []), true);608  eq (Z.equals ([1, 2], [1, 2]), true);609  eq (Z.equals ([1, 2, 3], [1, 2]), false);610  eq (Z.equals ([1, 2], [1, 2, 3]), false);611  eq (Z.equals ([1, 2], [2, 1]), false);612  eq (Z.equals ([0], [-0]), true);613  eq (Z.equals ([NaN], [NaN]), true);614  eq (Z.equals (ones, ones), true);615  eq (Z.equals (ones, [1, [1, [1, [1, []]]]]), false);616  eq (Z.equals (ones, [1, [1, [1, [1, [0, ones]]]]]), false);617  eq (Z.equals (ones, [1, [1, [1, [1, [1, ones]]]]]), true);618  eq (Z.equals (ones, ones_), true);619  eq (Z.equals (ones_, ones), true);620  eq (Z.equals (args (), args ()), true);621  eq (Z.equals (args (1, 2), args (1, 2)), true);622  eq (Z.equals (args (1, 2, 3), args (1, 2)), false);623  eq (Z.equals (args (1, 2), args (1, 2, 3)), false);624  eq (Z.equals (args (1, 2), args (2, 1)), false);625  eq (Z.equals (args (0), args (-0)), true);626  eq (Z.equals (args (NaN), args (NaN)), true);627  eq (Z.equals (new Error ('abc'), new Error ('abc')), true);628  eq (Z.equals (new Error ('abc'), new Error ('xyz')), false);629  eq (Z.equals (new TypeError ('abc'), new TypeError ('abc')), true);630  eq (Z.equals (new TypeError ('abc'), new TypeError ('xyz')), false);631  eq (Z.equals (new Error ('abc'), new TypeError ('abc')), false);632  eq (Z.equals (new TypeError ('abc'), new Error ('abc')), false);633  eq (Z.equals ({}, {}), true);634  eq (Z.equals ({x: 1, y: 2}, {y: 2, x: 1}), true);635  eq (Z.equals ({x: 1, y: 2, z: 3}, {x: 1, y: 2}), false);636  eq (Z.equals ({x: 1, y: 2}, {x: 1, y: 2, z: 3}), false);637  eq (Z.equals ({x: 1, y: 2}, {x: 2, y: 1}), false);638  eq (Z.equals ({x: 0}, {x: -0}), true);639  eq (Z.equals ({x: NaN}, {x: NaN}), true);640  eq (Z.equals (node1, node1), true);641  eq (Z.equals (node2, node2), true);642  eq (Z.equals (node1, node2), false);643  eq (Z.equals (node2, node1), false);644  eq (Z.equals (Math.sin, Math.sin), true);645  eq (Z.equals (Math.sin, Math.cos), false);646  eq (Z.equals (Identity (Identity (Identity (0))), Identity (Identity (Identity (0)))), true);647  eq (Z.equals (Identity (Identity (Identity (0))), Identity (Identity (Identity (1)))), false);648  eq (Z.equals (Useless, Useless), true);649  eq (Z.equals (Array.prototype, Array.prototype), true);650  eq (Z.equals (Nothing.constructor, Maybe), true);651  eq (Z.equals ((Just (0)).constructor, Maybe), true);652  eq (Z.equals (Lazy$of (0), Lazy$of (0)), false);653  eq (Z.equals (alienValues.Array, domesticValues.Array), true);654  eq (Z.equals (alienValues.Boolean, domesticValues.Boolean), true);655  eq (Z.equals (alienValues.Date, domesticValues.Date), true);656  eq (Z.equals (alienValues.Number, domesticValues.Number), true);657  eq (Z.equals (alienValues.RegExp, domesticValues.RegExp), true);658  eq (Z.equals (alienValues.String, domesticValues.String), true);659  const $0 = {z: 0};660  const $1 = {z: 1};661  $0.a = $1;662  $1.a = $0;663  eq (Z.equals ($0, $0), true);664  eq (Z.equals ($0, $1), false);665  eq (Z.equals ($1, $0), false);666  jsc.assert (jsc.forall (nestedSetoidArb, x => Z.equals (x, x)));667});668test ('lt', () => {669  eq (Z.lt.length, 2);670  eq (Z.lt (0, 0), false);671  eq (Z.lt (0, 1), true);672  eq (Z.lt (1, 0), false);673  eq (Z.lt ('abc', 123), false);674});675test ('lte', () => {676  eq (Z.lte.length, 2);677  eq (Z.lte (null, null), true);678  eq (Z.lte (null, undefined), false);679  eq (Z.lte (undefined, null), false);680  eq (Z.lte (undefined, undefined), true);681  eq (Z.lte (false, false), true);682  eq (Z.lte (false, true), true);683  eq (Z.lte (true, false), false);684  eq (Z.lte (true, true), true);685  eq (Z.lte (new Boolean (false), new Boolean (false)), true);686  eq (Z.lte (new Boolean (false), new Boolean (true)), true);687  eq (Z.lte (new Boolean (true), new Boolean (false)), false);688  eq (Z.lte (new Boolean (true), new Boolean (true)), true);689  eq (Z.lte (false, new Boolean (false)), false);690  eq (Z.lte (new Boolean (false), false), false);691  eq (Z.lte (true, new Boolean (true)), false);692  eq (Z.lte (new Boolean (true), true), false);693  eq (Z.lte (42, 42), true);694  eq (Z.lte (42, 43), true);695  eq (Z.lte (43, 42), false);696  eq (Z.lte (0, 0), true);697  eq (Z.lte (0, -0), true);698  eq (Z.lte (-0, 0), true);699  eq (Z.lte (-0, -0), true);700  eq (Z.lte (NaN, NaN), true);701  eq (Z.lte (Infinity, Infinity), true);702  eq (Z.lte (Infinity, -Infinity), false);703  eq (Z.lte (-Infinity, Infinity), true);704  eq (Z.lte (-Infinity, -Infinity), true);705  eq (Z.lte (NaN, Math.PI), true);706  eq (Z.lte (Math.PI, NaN), false);707  eq (Z.lte (new Number (0), new Number (0)), true);708  eq (Z.lte (new Number (0), new Number (-0)), true);709  eq (Z.lte (new Number (-0), new Number (0)), true);710  eq (Z.lte (new Number (-0), new Number (-0)), true);711  eq (Z.lte (new Number (NaN), new Number (NaN)), true);712  eq (Z.lte (new Number (Infinity), new Number (Infinity)), true);713  eq (Z.lte (new Number (Infinity), new Number (-Infinity)), false);714  eq (Z.lte (new Number (-Infinity), new Number (Infinity)), true);715  eq (Z.lte (new Number (-Infinity), new Number (-Infinity)), true);716  eq (Z.lte (new Number (NaN), new Number (Math.PI)), true);717  eq (Z.lte (new Number (Math.PI), new Number (NaN)), false);718  eq (Z.lte (42, new Number (42)), false);719  eq (Z.lte (new Number (42), 42), false);720  eq (Z.lte (new Date (0), new Date (0)), true);721  eq (Z.lte (new Date (0), new Date (1)), true);722  eq (Z.lte (new Date (1), new Date (0)), false);723  eq (Z.lte (new Date (1), new Date (1)), true);724  eq (Z.lte (new Date (NaN), new Date (NaN)), true);725  eq (Z.lte ('', ''), true);726  eq (Z.lte ('abc', 'abc'), true);727  eq (Z.lte ('abc', 'xyz'), true);728  eq (Z.lte (new String (''), new String ('')), true);729  eq (Z.lte (new String ('abc'), new String ('abc')), true);730  eq (Z.lte (new String ('abc'), new String ('xyz')), true);731  eq (Z.lte ('abc', new String ('abc')), false);732  eq (Z.lte (new String ('abc'), 'abc'), false);733  eq (Z.lte ([], []), true);734  eq (Z.lte ([1, 2], [1, 2]), true);735  eq (Z.lte ([1, 2, 3], [1, 2]), false);736  eq (Z.lte ([1, 2], [1, 2, 3]), true);737  eq (Z.lte ([1, 2], [2]), true);738  eq (Z.lte ([], [undefined]), true);739  eq (Z.lte ([undefined], []), false);740  eq (Z.lte ([1], [undefined]), false);741  eq (Z.lte ([undefined], [1]), false);742  eq (Z.lte ([0], [-0]), true);743  eq (Z.lte ([NaN], [NaN]), true);744  eq (Z.lte (ones, ones), true);745  eq (Z.lte (ones, [1, [1, [1, [1, []]]]]), false);746  eq (Z.lte (ones, [1, [1, [1, [1, [0, ones]]]]]), false);747  eq (Z.lte (ones, [1, [1, [1, [1, [1, ones]]]]]), true);748  eq (Z.lte (ones, ones_), true);749  eq (Z.lte (ones_, ones), true);750  eq (Z.lte (args (), args ()), true);751  eq (Z.lte (args (1, 2), args (1, 2)), true);752  eq (Z.lte (args (1, 2, 3), args (1, 2)), false);753  eq (Z.lte (args (1, 2), args (1, 2, 3)), true);754  eq (Z.lte (args (1, 2), args (2, 1)), true);755  eq (Z.lte (args (0), args (-0)), true);756  eq (Z.lte (args (NaN), args (NaN)), true);757  eq (Z.lte ({}, {}), true);758  eq (Z.lte ({a: 0}, {z: 0}), true);759  eq (Z.lte ({z: 0}, {a: 0}), false);760  eq (Z.lte ({x: 1, y: 2}, {y: 2, x: 1}), true);761  eq (Z.lte ({x: 1, y: 2, z: 3}, {x: 1, y: 2}), false);762  eq (Z.lte ({x: 1, y: 2}, {x: 1, y: 2, z: 3}), true);763  eq (Z.lte ({x: 1, y: 2, z: 3}, {x: 1, y: 2, z: undefined}), false);764  eq (Z.lte ({x: 1, y: 2, z: undefined}, {x: 1, y: 2, z: 3}), false);765  eq (Z.lte ({x: 1, y: 1}, {x: 2, y: 1}), true);766  eq (Z.lte ({x: 2, y: 1}, {x: 1, y: 2}), false);767  eq (Z.lte ({x: 0, y: 0}, {x: 1}), true);768  eq (Z.lte ({x: 0}, {x: 0, y: 0}), true);769  eq (Z.lte ({x: -0}, {x: 0}), true);770  eq (Z.lte ({x: 0}, {x: -0}), true);771  eq (Z.lte ({x: NaN}, {x: NaN}), true);772  eq (Z.lte (Identity (Identity (Identity (0))), Identity (Identity (Identity (0)))), true);773  eq (Z.lte (Identity (Identity (Identity (0))), Identity (Identity (Identity (1)))), true);774  eq (Z.lte (Identity (Identity (Identity (1))), Identity (Identity (Identity (0)))), false);775  eq (Z.lte (Lazy$of (0), Lazy$of (0)), false);776  eq (Z.lte ('abc', 123), false);777  eq (Z.lte (alienValues.Array, domesticValues.Array), true);778  eq (Z.lte (alienValues.Boolean, domesticValues.Boolean), true);779  eq (Z.lte (alienValues.Date, domesticValues.Date), true);780  eq (Z.lte (alienValues.Number, domesticValues.Number), true);781  eq (Z.lte (alienValues.String, domesticValues.String), true);782  const $0 = {z: 0};783  const $1 = {z: 1};784  $0.a = $1;785  $1.a = $0;786  eq (Z.lte ($0, $0), true);787  eq (Z.lte ($0, $1), false);788  eq (Z.lte ($1, $0), false);789});790test ('gt', () => {791  eq (Z.gt.length, 2);792  eq (Z.gt (0, 0), false);793  eq (Z.gt (0, 1), false);794  eq (Z.gt (1, 0), true);795  eq (Z.gt ('abc', 123), false);796});797test ('gte', () => {798  eq (Z.gte.length, 2);799  eq (Z.gte (0, 0), true);800  eq (Z.gte (0, 1), false);801  eq (Z.gte (1, 0), true);802  eq (Z.gte ('abc', 123), false);803});804test ('min', () => {805  eq (Z.min.length, 2);806  eq (Z.min (0, 1), 0);807  eq (Z.min (['x', 'x'], ['x']), ['x']);808});809test ('max', () => {810  eq (Z.max.length, 2);811  eq (Z.max (0, 1), 1);812  eq (Z.max (['x', 'x'], ['x']), ['x', 'x']);813});814test ('clamp', () => {815  eq (Z.clamp.length, 3);816  eq (Z.clamp (0, 100, -1), 0);817  eq (Z.clamp (0, 100, 0), 0);818  eq (Z.clamp (0, 100, 50), 50);819  eq (Z.clamp (0, 100, 100), 100);820  eq (Z.clamp (0, 100, 101), 100);821  eq (Z.clamp ('A', 'Z', '0'), 'A');822  eq (Z.clamp ('A', 'Z', 'A'), 'A');823  eq (Z.clamp ('A', 'Z', 'X'), 'X');824  eq (Z.clamp ('A', 'Z', 'Z'), 'Z');825  eq (Z.clamp ('A', 'Z', '~'), 'Z');826});827test ('compose', () => {828  eq (Z.compose.length, 2);829  eq (Z.compose (Math.sqrt, inc) (99), 10);830  eq (Z.compose (domesticValues.Function, alienValues.Function) (1), 3);831});832test ('id', () => {833  eq (Z.id.length, 1);834  eq (Z.id (Function) (42), 42);835  eq (Z.id (alienValues.Function.constructor) (42), 42);836});837test ('concat', () => {838  eq (Z.concat.length, 2);839  eq (Z.concat ('', ''), '');840  eq (Z.concat ('', 'abc'), 'abc');841  eq (Z.concat ('abc', ''), 'abc');842  eq (Z.concat ('abc', 'def'), 'abcdef');843  eq (Z.concat ([], []), []);844  eq (Z.concat ([], [1, 2, 3]), [1, 2, 3]);845  eq (Z.concat ([1, 2, 3], []), [1, 2, 3]);846  eq (Z.concat ([1, 2, 3], [4, 5, 6]), [1, 2, 3, 4, 5, 6]);847  eq (Z.concat ({}, {}), {});848  eq (Z.concat ({}, {x: 1, y: 2}), {x: 1, y: 2});849  eq (Z.concat ({x: 1, y: 2}, {}), {x: 1, y: 2});850  eq (Z.concat ({x: 1, y: 2}, {y: 3, z: 4}), {x: 1, y: 3, z: 4});851  eq (Z.concat ({x: 1}, Point ()), {x: 1});852  eq (Z.concat (Point (), {x: 1}), {x: 1});853  eq (Z.concat (Point (), Point ()), {});854  eq (Z.concat (Identity (''), Identity ('')), Identity (''));855  eq (Z.concat (Identity (''), Identity ('abc')), Identity ('abc'));856  eq (Z.concat (Identity ('abc'), Identity ('')), Identity ('abc'));857  eq (Z.concat (Identity ('abc'), Identity ('def')), Identity ('abcdef'));858  eq (Z.concat (Nil, Nil), Nil);859  eq (Z.concat (Nil, Cons (1, Cons (2, Cons (3, Nil)))), Cons (1, Cons (2, Cons (3, Nil))));860  eq (Z.concat (Cons (1, Cons (2, Cons (3, Nil))), Nil), Cons (1, Cons (2, Cons (3, Nil))));861  eq (Z.concat (Cons (1, Cons (2, Cons (3, Nil))), Cons (4, Cons (5, Cons (6, Nil)))), Cons (1, Cons (2, Cons (3, Cons (4, Cons (5, Cons (6, Nil)))))));862  eq (Z.concat (alienValues.Array, domesticValues.Array), ['?', '!', '?', '!']);863  eq (Z.concat (alienValues.String, domesticValues.String), '?!?!');864});865test ('empty', () => {866  eq (Z.empty.length, 1);867  eq (Z.empty (String), '');868  eq (Z.empty (Array), []);869  eq (Z.empty (Object), {});870  eq (Z.empty (List), Nil);871  eq (Z.empty (Maybe), Nothing);872  eq (Z.empty (alienValues.String.constructor), '');873  eq (Z.empty (alienValues.Array.constructor), []);874  eq (Z.empty (alienValues.Object.constructor), {});875  assert.throws (876    () => Z.empty (null),877    new TypeError ("Cannot read property 'fantasy-land/empty' of null")878  );879});880test ('invert', () => {881  eq (Z.invert.length, 1);882  eq (Z.invert (Sum (5)), Sum (-5));883  eq (Z.invert (Sum (-5)), Sum (5));884});885test ('filter', () => {886  eq (Z.filter.length, 2);887  eq (Z.filter (odd, []), []);888  eq (Z.filter (odd, [1, 2, 3, 4, 5]), [1, 3, 5]);889  eq (Z.filter (odd, {}), {});890  eq (Z.filter (odd, {x: 1, y: 2, z: 3}), {x: 1, z: 3});891  eq (Z.filter (odd, Nil), Nil);892  eq (Z.filter (odd, Cons (1, Cons (2, Cons (3, Cons (4, Cons (5, Nil)))))), Cons (1, Cons (3, Cons (5, Nil))));893  eq (Z.filter (odd, Nothing), Nothing);894  eq (Z.filter (odd, Just (0)), Nothing);895  eq (Z.filter (odd, Just (1)), Just (1));896});897test ('reject', () => {898  eq (Z.reject.length, 2);899  eq (Z.reject (odd, []), []);900  eq (Z.reject (odd, [1, 2, 3, 4, 5]), [2, 4]);901  eq (Z.reject (odd, {}), {});902  eq (Z.reject (odd, {x: 1, y: 2, z: 3}), {y: 2});903  eq (Z.reject (odd, Nil), Nil);904  eq (Z.reject (odd, Cons (1, Cons (2, Cons (3, Cons (4, Cons (5, Nil)))))), Cons (2, Cons (4, Nil)));905  eq (Z.reject (odd, Nothing), Nothing);906  eq (Z.reject (odd, Just (0)), Just (0));907  eq (Z.reject (odd, Just (1)), Nothing);908});909test ('map', () => {910  eq (Z.map.length, 2);911  eq (Z.map (inc, []), []);912  eq (Z.map (inc, [1, 2, 3]), [2, 3, 4]);913  eq (Z.map (inc, {}), {});914  eq (Z.map (inc, {x: 2, y: 4}), {x: 3, y: 5});915  eq (Z.map (inc, Point ()), {});916  eq (Z.map (inc, length) ('abc'), 4);917  eq (Z.map (inc, Identity (42)), Identity (43));918  eq (Z.map (inc, Nil), Nil);919  eq (Z.map (inc, Cons (1, Cons (2, Cons (3, Nil)))), Cons (2, Cons (3, Cons (4, Nil))));920});921test ('flip', () => {922  eq (Z.flip.length, 2);923  eq (Z.flip (pow, 2) (10), 100);924  eq (Z.flip ([Math.floor, Math.ceil], 1.5), [1, 2]);925  eq (Z.flip ({floor: Math.floor, ceil: Math.ceil}, 1.5), {floor: 1, ceil: 2});926  eq (Z.flip (Cons (Math.floor, Cons (Math.ceil, Nil)), 1.5), Cons (1, Cons (2, Nil)));927});928test ('bimap', () => {929  eq (Z.bimap.length, 3);930  eq (Z.bimap (toUpper, inc, Pair ('abc') (123)), Pair ('ABC') (124));931});932test ('mapLeft', () => {933  eq (Z.mapLeft.length, 2);934  eq (Z.mapLeft (toUpper, Pair ('abc') ('def')), Pair ('ABC') ('def'));935});936test ('promap', () => {937  eq (Z.promap.length, 3);938  const lengths = xs => Z.map (length, xs);939  eq (Z.promap (lengths, square, sum) (['foo', 'bar', 'baz', 'quux']), 169);940});941test ('ap', () => {942  eq (Z.ap.length, 2);943  eq (Z.ap ([], []), []);944  eq (Z.ap ([], [1, 2, 3]), []);945  eq (Z.ap ([inc], []), []);946  eq (Z.ap ([inc], [1, 2, 3]), [2, 3, 4]);947  eq (Z.ap ([inc, square], [1, 2, 3]), [2, 3, 4, 1, 4, 9]);948  eq (Z.ap ({}, {}), {});949  eq (Z.ap ({}, {x: 1, y: 2, z: 3}), {});950  eq (Z.ap ({x: inc}, {}), {});951  eq (Z.ap ({x: inc}, {x: 1}), {x: 2});952  eq (Z.ap ({x: inc, y: square}, {x: 1, y: 2}), {x: 2, y: 4});953  eq (Z.ap ({x: inc, y: square, z: abs}, {w: 4, x: 1, y: 2}), {x: 2, y: 4});954  eq (Z.ap ({}, {toString: 42}), {});955  eq (Z.ap ({x: inc, y: inc}, Point ()), {});956  eq (Z.ap (pow, abs) (-1), pow (-1) (abs (-1)));957  eq (Z.ap (pow, abs) (-2), pow (-2) (abs (-2)));958  eq (Z.ap (pow, abs) (-3), pow (-3) (abs (-3)));959  eq (Z.ap (Identity (inc), Identity (42)), Identity (43));960  eq (Z.ap (Nil, Nil), Nil);961  eq (Z.ap (Nil, Cons (1, Cons (2, Cons (3, Nil)))), Nil);962  eq (Z.ap (Cons (inc, Nil), Nil), Nil);963  eq (Z.ap (Cons (inc, Nil), Cons (1, Cons (2, Cons (3, Nil)))), Cons (2, Cons (3, Cons (4, Nil))));964  eq (Z.ap (Cons (inc, Cons (square, Nil)), Cons (1, Cons (2, Cons (3, Nil)))), Cons (2, Cons (3, Cons (4, Cons (1, Cons (4, Cons (9, Nil)))))));965});966test ('lift2', () => {967  eq (Z.lift2.length, 3);968  eq (Z.lift2 (pow, [10], [1, 2, 3]), [10, 100, 1000]);969  eq (Z.lift2 (pow, Identity (10), Identity (3)), Identity (1000));970});971test ('lift3', () => {972  eq (Z.lift3.length, 4);973  eq (Z.lift3 (wrap, ['<'], ['>'], ['foo', 'bar', 'baz']), ['<foo>', '<bar>', '<baz>']);974  eq (Z.lift3 (wrap, Identity ('<'), Identity ('>'), Identity ('baz')), Identity ('<baz>'));975});976test ('apFirst', () => {977  eq (Z.apFirst.length, 2);978  eq (Z.apFirst ([1, 2], [3, 4]), [1, 1, 2, 2]);979  eq (Z.apFirst (Identity (1), Identity (2)), Identity (1));980});981test ('apSecond', () => {982  eq (Z.apSecond.length, 2);983  eq (Z.apSecond ([1, 2], [3, 4]), [3, 4, 3, 4]);984  eq (Z.apSecond (Identity (1), Identity (2)), Identity (2));985});986test ('of', () => {987  eq (Z.of.length, 2);988  eq (Z.of (Array, 42), [42]);989  eq (Z.of (Function, 42) (null), 42);990  eq (Z.of (Identity, 42), Identity (42));991  eq (Z.of (List, 42), Cons (42, Nil));992  eq (Z.of (Maybe, 42), Just (42));993});994test ('append', () => {995  eq (Z.append.length, 2);996  eq (Z.append (3, []), [3]);997  eq (Z.append (3, [1, 2]), [1, 2, 3]);998  eq (Z.append (3, Nil), Cons (3, Nil));999  eq (Z.append (3, Cons (1, Cons (2, Nil))), Cons (1, Cons (2, Cons (3, Nil))));1000  eq (Z.append ([5, 6], [[1, 2], [3, 4]]), [[1, 2], [3, 4], [5, 6]]);1001  eq (Z.append ([2], Nothing), Just ([2]));1002  eq (Z.append ([2], Just ([1])), Just ([1, 2]));1003});1004test ('prepend', () => {1005  eq (Z.prepend.length, 2);1006  eq (Z.prepend (1, []), [1]);1007  eq (Z.prepend (1, [2, 3]), [1, 2, 3]);1008  eq (Z.prepend (1, Nil), Cons (1, Nil));1009  eq (Z.prepend (1, Cons (2, Cons (3, Nil))), Cons (1, Cons (2, Cons (3, Nil))));1010  eq (Z.prepend ([1, 2], [[3, 4], [5, 6]]), [[1, 2], [3, 4], [5, 6]]);1011  eq (Z.prepend ([1], Nothing), Just ([1]));1012  eq (Z.prepend ([1], Just ([2])), Just ([1, 2]));1013});1014test ('chain', () => {1015  eq (Z.chain.length, 2);1016  eq (Z.chain (double, []), []);1017  eq (Z.chain (double, [1, 2, 3]), [1, 1, 2, 2, 3, 3]);1018  eq (Z.chain (identity, [[1, 2], [3, 4], [5, 6]]), [1, 2, 3, 4, 5, 6]);1019  eq (Z.chain (repeat, abs) (-1), [-1]);1020  eq (Z.chain (repeat, abs) (-2), [-2, -2]);1021  eq (Z.chain (repeat, abs) (-3), [-3, -3, -3]);1022  eq (Z.chain (identInc, Identity (42)), Identity (43));1023  eq (Z.chain (identity, Identity (Identity (0))), Identity (0));1024  eq ((Z.chain (identity, [((new Array (1e6)).join ('x')).split ('')])).length, 999999);1025});1026test ('join', () => {1027  eq (Z.join.length, 1);1028  eq (Z.join ([]), []);1029  eq (Z.join ([[]]), []);1030  eq (Z.join ([[[]]]), [[]]);1031  eq (Z.join ([[1], [2], [3]]), [1, 2, 3]);1032  eq (Z.join ([[[1, 2, 3]]]), [[1, 2, 3]]);1033  eq (Z.join (Identity (Identity (1))), Identity (1));1034  eq (Z.join (Identity (Identity (Identity (1)))), Identity (Identity (1)));1035});1036test ('chainRec', () => {1037  eq (Z.chainRec.length, 3);1038  let count = 0;1039  //  squash :: (Any -> a, Any -> a, Any) -> Array b1040  const squash = (next, done, x) => {1041    if (Array.isArray (x)) return x.map (next);1042    count += 1;1043    return [done (x)];1044  };1045  eq (Z.chainRec (Array, squash, [1, [[2, 3], 4], 5]), [1, 2, 3, 4, 5]);1046  eq (count, 5);1047  eq (Z.chainRec (Array, (next, done, n) => n === 0 ? [done ('DONE')] : [next (n - 1)], 100000), ['DONE']);1048  const stepper = (next, done, n) => (1049    n === 300001050    ? Z.map (done, env => n + env.inc)1051    : Z.map (next, env => n + env.step)1052  );1053  eq (Z.chainRec (Function, stepper, 0) ({step: 2, inc: 100}), 30100);1054  eq (Z.chainRec (Array, (next, done, n) => n === 0 ? [done (0)] : Z.map (next, repeat (n) (0)), 1e6).length, 1e6);1055});1056test ('alt', () => {1057  eq (Z.alt.length, 2);1058  eq (Z.alt ([], []), []);1059  eq (Z.alt ([], [1, 2, 3]), [1, 2, 3]);1060  eq (Z.alt ([1, 2, 3], []), [1, 2, 3]);1061  eq (Z.alt ([1, 2, 3], [4, 5, 6]), [1, 2, 3, 4, 5, 6]);1062  eq (Z.alt ({}, {}), {});1063  eq (Z.alt ({}, {a: 1, b: 2, c: 3}), {a: 1, b: 2, c: 3});1064  eq (Z.alt ({a: 1, b: 2, c: 3}, {}), {a: 1, b: 2, c: 3});1065  eq (Z.alt ({a: 1, b: 2, c: 3}, {d: 4, e: 5, f: 6}), {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6});1066  eq (Z.alt ({a: 1}, Point ()), {a: 1});1067  eq (Z.alt (Point (), {a: 1}), {a: 1});1068  eq (Z.alt (Point (), Point ()), {});1069  eq (Z.alt (Nothing, Nothing), Nothing);1070  eq (Z.alt (Nothing, Just (1)), Just (1));1071  eq (Z.alt (Just (2), Nothing), Just (2));1072  eq (Z.alt (Just (3), Just (4)), Just (3));1073});1074test ('zero', () => {1075  eq (Z.zero.length, 1);1076  eq (Z.zero (Array), []);1077  eq (Z.zero (Object), {});1078  eq (Z.zero (Maybe), Nothing);1079});1080const testReduce = reduce => {1081  eq (reduce (Z.concat, 'x', []), 'x');1082  eq (reduce (Z.concat, 'x', ['a', 'b', 'c']), 'xabc');1083  eq (reduce (add, 0, {}), 0);1084  eq (reduce (add, 0, {a: 1, b: 2, c: 3, d: 4, e: 5}), 15);1085  eq (reduce ((xs, x) => Z.concat (xs, [x]), [], {a: 1, b: 2, c: 3}), [1, 2, 3]);1086  eq (reduce ((xs, x) => Z.concat (xs, [x]), [], {c: 3, b: 2, a: 1}), [1, 2, 3]);1087  eq (reduce (Z.concat, 'x', Nil), 'x');1088  eq (reduce (Z.concat, 'x', Cons ('a', Cons ('b', Cons ('c', Nil)))), 'xabc');1089};1090test ('reduce', () => {1091  eq (Z.reduce.length, 3);1092  testReduce (Z.reduce);1093});1094test ('size', () => {1095  eq (Z.size.length, 1);1096  eq (Z.size ([]), 0);1097  eq (Z.size (['foo']), 1);1098  eq (Z.size (['foo', 'bar']), 2);1099  eq (Z.size (['foo', 'bar', 'baz']), 3);1100  eq (Z.size (Nil), 0);1101  eq (Z.size (Cons ('foo', Nil)), 1);1102  eq (Z.size (Cons ('foo', Cons ('bar', Nil))), 2);1103  eq (Z.size (Cons ('foo', Cons ('bar', Cons ('baz', Nil)))), 3);1104  eq (Z.size (Identity ('quux')), 1);1105  eq (Z.size (Nothing), 0);1106  eq (Z.size (Just (0)), 1);1107  eq (Z.size (Pair ('abc') (123)), 1);1108});1109test ('all', () => {1110  eq (Z.all.length, 2);1111  eq (Z.all (gt (0), []), true);1112  eq (Z.all (gt (0), [0]), false);1113  eq (Z.all (gt (0), [1]), true);1114  eq (Z.all (gt (0), [0, 0]), false);1115  eq (Z.all (gt (0), [0, 1]), false);1116  eq (Z.all (gt (0), [1, 0]), false);1117  eq (Z.all (gt (0), [1, 1]), true);1118  eq (Z.all (gt (0), Nil), true);1119  eq (Z.all (gt (0), Cons (0, Nil)), false);1120  eq (Z.all (gt (0), Cons (1, Nil)), true);1121  eq (Z.all (gt (0), Cons (0, Cons (0, Nil))), false);1122  eq (Z.all (gt (0), Cons (0, Cons (1, Nil))), false);1123  eq (Z.all (gt (0), Cons (1, Cons (0, Nil))), false);1124  eq (Z.all (gt (0), Cons (1, Cons (1, Nil))), true);1125  eq (Z.all (gt (0), Nothing), true);1126  eq (Z.all (gt (0), Just (0)), false);1127  eq (Z.all (gt (0), Just (1)), true);1128});1129test ('any', () => {1130  eq (Z.any.length, 2);1131  eq (Z.any (gt (0), []), false);1132  eq (Z.any (gt (0), [0]), false);1133  eq (Z.any (gt (0), [1]), true);1134  eq (Z.any (gt (0), [0, 0]), false);1135  eq (Z.any (gt (0), [0, 1]), true);1136  eq (Z.any (gt (0), [1, 0]), true);1137  eq (Z.any (gt (0), [1, 1]), true);1138  eq (Z.any (gt (0), Nil), false);1139  eq (Z.any (gt (0), Cons (0, Nil)), false);1140  eq (Z.any (gt (0), Cons (1, Nil)), true);1141  eq (Z.any (gt (0), Cons (0, Cons (0, Nil))), false);1142  eq (Z.any (gt (0), Cons (0, Cons (1, Nil))), true);1143  eq (Z.any (gt (0), Cons (1, Cons (0, Nil))), true);1144  eq (Z.any (gt (0), Cons (1, Cons (1, Nil))), true);1145  eq (Z.any (gt (0), Nothing), false);1146  eq (Z.any (gt (0), Just (0)), false);1147  eq (Z.any (gt (0), Just (1)), true);1148});1149test ('none', () => {1150  eq (Z.none.length, 2);1151  eq (Z.none (gt (0), []), true);1152  eq (Z.none (gt (0), [0]), true);1153  eq (Z.none (gt (0), [1]), false);1154  eq (Z.none (gt (0), [0, 0]), true);1155  eq (Z.none (gt (0), [0, 1]), false);1156  eq (Z.none (gt (0), [1, 0]), false);1157  eq (Z.none (gt (0), [1, 1]), false);1158  eq (Z.none (gt (0), Nil), true);1159  eq (Z.none (gt (0), Cons (0, Nil)), true);1160  eq (Z.none (gt (0), Cons (1, Nil)), false);1161  eq (Z.none (gt (0), Cons (0, Cons (0, Nil))), true);1162  eq (Z.none (gt (0), Cons (0, Cons (1, Nil))), false);1163  eq (Z.none (gt (0), Cons (1, Cons (0, Nil))), false);1164  eq (Z.none (gt (0), Cons (1, Cons (1, Nil))), false);1165  eq (Z.none (gt (0), Nothing), true);1166  eq (Z.none (gt (0), Just (0)), true);1167  eq (Z.none (gt (0), Just (1)), false);1168});1169test ('elem', () => {1170  eq (Z.elem.length, 2);1171  eq (Z.elem ('a', ['a', 'b', 'c']), true);1172  eq (Z.elem ('b', ['a', 'b', 'c']), true);1173  eq (Z.elem ('c', ['a', 'b', 'c']), true);1174  eq (Z.elem ('d', ['a', 'b', 'c']), false);1175  eq (Z.elem (1, {x: 1, y: 2, z: 3}), true);1176  eq (Z.elem (2, {x: 1, y: 2, z: 3}), true);1177  eq (Z.elem (3, {x: 1, y: 2, z: 3}), true);1178  eq (Z.elem (4, {x: 1, y: 2, z: 3}), false);1179  eq (Z.elem (0, Just (0)), true);1180  eq (Z.elem (0, Just (1)), false);1181  eq (Z.elem (0, Nothing), false);1182});1183test ('intercalate', () => {1184  eq (Z.intercalate.length, 2);1185  eq (Z.intercalate (', ', []), '');1186  eq (Z.intercalate (', ', ['foo']), 'foo');1187  eq (Z.intercalate (', ', ['foo', 'bar']), 'foo, bar');1188  eq (Z.intercalate (', ', ['foo', 'bar', 'baz']), 'foo, bar, baz');1189  eq (Z.intercalate ([0, 0, 0], []), []);1190  eq (Z.intercalate ([0, 0, 0], [[1]]), [1]);1191  eq (Z.intercalate ([0, 0, 0], [[1], [2]]), [1, 0, 0, 0, 2]);1192  eq (Z.intercalate ([0, 0, 0], [[1], [2], [3]]), [1, 0, 0, 0, 2, 0, 0, 0, 3]);1193  eq (Z.intercalate ('.', Nil), '');1194  eq (Z.intercalate ('.', Cons ('x', Nil)), 'x');1195  eq (Z.intercalate ('.', Cons ('x', Cons ('y', Nil))), 'x.y');1196  eq (Z.intercalate ('.', Cons ('x', Cons ('y', Cons ('z', Nil)))), 'x.y.z');1197});1198test ('foldMap', () => {1199  eq (Z.foldMap.length, 3);1200  // Monoid instance for functions of type a -> a corresponding1201  // to reverse function composition1202  function DualEndo(f) {1203    if (!(this instanceof DualEndo)) return new DualEndo (f);1204    this.runEndo = f;1205  }1206  DualEndo['fantasy-land/empty'] = () => DualEndo (identity);1207  DualEndo.prototype['fantasy-land/concat'] = function(other) {1208    return DualEndo (a => other.runEndo (this.runEndo (a)));1209  };1210  // Derive reduce (foldl) from foldMap1211  const reduce = (f, z, x) => {1212    const mmap = a => DualEndo (b => f (b, a));1213    const finalEndo = Z.foldMap (DualEndo, mmap, x);1214    return finalEndo.runEndo (z);1215  };1216  // Test derived reduce behaves identically to Z.reduce1217  testReduce (reduce);1218});1219test ('reverse', () => {1220  eq (Z.reverse.length, 1);1221  eq (Z.reverse ([]), []);1222  eq (Z.reverse ([1]), [1]);1223  eq (Z.reverse ([1, 2]), [2, 1]);1224  eq (Z.reverse ([1, 2, 3]), [3, 2, 1]);1225  eq (Z.reverse (Nil), Nil);1226  eq (Z.reverse (Cons (1, Nil)), Cons (1, Nil));1227  eq (Z.reverse (Cons (1, Cons (2, Nil))), Cons (2, Cons (1, Nil)));1228  eq (Z.reverse (Cons (1, Cons (2, Cons (3, Nil)))), Cons (3, Cons (2, Cons (1, Nil))));1229});1230test ('sort', () => {1231  eq (Z.sort.length, 1);1232  const runAssertions = () => {1233    eq (Z.sort ([]), []);1234    eq (Z.sort (['foo']), ['foo']);1235    eq (Z.sort (['foo', 'bar']), ['bar', 'foo']);1236    eq (Z.sort (['foo', 'bar', 'baz']), ['bar', 'baz', 'foo']);1237    eq (Z.sort (Nil), Nil);1238    eq (Z.sort (Cons ('foo', Nil)), Cons ('foo', Nil));1239    eq (Z.sort (Cons ('foo', Cons ('bar', Nil))), Cons ('bar', Cons ('foo', Nil)));1240    eq (Z.sort (Cons ('foo', Cons ('bar', Cons ('baz', Nil)))), Cons ('bar', Cons ('baz', Cons ('foo', Nil))));1241    eq (Z.sort ([NaN, 3, NaN, 1, NaN, 2, NaN]), [NaN, NaN, NaN, NaN, 1, 2, 3]);1242    eq (Z.sort ([Just (3), Just (1), Just (2)]), [Just (1), Just (2), Just (3)]);1243  };1244  runAssertions ();1245  withUnstableArraySort (runAssertions);1246});1247test ('sortBy', () => {1248  eq (Z.sortBy.length, 2);1249  const rank = card => card.rank;1250  const suit = card => card.suit;1251  const _7s = {rank: 7, suit: 's'};1252  const _5h = {rank: 5, suit: 'h'};1253  const _2h = {rank: 2, suit: 'h'};1254  const _5s = {rank: 5, suit: 's'};1255  const runAssertions = () => {1256    eq (Z.sortBy (rank, [_7s, _5h, _2h, _5s]), [_2h, _5h, _5s, _7s]);1257    eq (Z.sortBy (rank, [_7s, _5s, _2h, _5h]), [_2h, _5s, _5h, _7s]);1258    eq (Z.sortBy (suit, [_7s, _5h, _2h, _5s]), [_5h, _2h, _7s, _5s]);1259    eq (Z.sortBy (suit, [_5s, _2h, _5h, _7s]), [_2h, _5h, _5s, _7s]);1260  };1261  runAssertions ();1262  withUnstableArraySort (runAssertions);1263});1264test ('traverse', () => {1265  eq (Z.traverse.length, 3);1266  eq (Z.traverse (Array, identity, []), [[]]);1267  eq (Z.traverse (Array, identity, [[1], [2], [3]]), [[1, 2, 3]]);1268  eq (Z.traverse (Array, identity, [[1, 2, 3], [4, 5]]), [[1, 4], [1, 5], [2, 4], [2, 5], [3, 4], [3, 5]]);1269  eq ((Z.traverse (Array, identity, repeat (6) (range (10)))).length, 1e6);1270  eq (Z.traverse (Maybe, parseInt_ (16), {a: 'A', b: 'B', c: 'C'}), Just ({a: 10, b: 11, c: 12}));1271  eq (Z.traverse (Maybe, parseInt_ (16), {a: 'A', b: 'B', c: 'C', x: 'X'}), Nothing);1272  eq (Z.traverse (Identity, identInc, []), Identity ([]));1273  eq (Z.traverse (Identity, identInc, [1, 2, 3]), Identity ([2, 3, 4]));1274  eq (Z.traverse (Identity, identInc, Nil), Identity (Nil));1275  eq (Z.traverse (Identity, identInc, Cons (1, Cons (2, Cons (3, Nil)))), Identity (Cons (2, Cons (3, Cons (4, Nil)))));1276  eq (((Z.traverse (Lazy, Lazy$of, range (70000))).run ()).length, 70000);1277  eq (Z.traverse (Array, identity, {a: [1, 2], b: [3, 4]}), [{a: 1, b: 3}, {a: 1, b: 4}, {a: 2, b: 3}, {a: 2, b: 4}]);1278});1279test ('sequence', () => {1280  eq (Z.sequence.length, 2);1281  eq (Z.sequence (Identity, []), Identity ([]));1282  eq (Z.sequence (Identity, [Identity (1), Identity (2), Identity (3)]), Identity ([1, 2, 3]));1283  eq (Z.sequence (Array, Identity ([])), []);1284  eq (Z.sequence (Array, Identity ([1, 2, 3])), [Identity (1), Identity (2), Identity (3)]);1285  eq (Z.sequence (Identity, Nil), Identity (Nil));1286  eq (Z.sequence (Identity, Cons (Identity (1), Cons (Identity (2), Cons (Identity (3), Nil)))), Identity (Cons (1, Cons (2, Cons (3, Nil)))));1287  eq (Z.sequence (List, Identity (Nil)), Nil);1288  eq (Z.sequence (List, Identity (Cons (1, Cons (2, Cons (3, Nil))))), Cons (Identity (1), Cons (Identity (2), Cons (Identity (3), Nil))));1289  eq (Z.sequence (Maybe, {a: Just ('A'), b: Just ('B'), c: Just ('C')}), Just ({a: 'A', b: 'B', c: 'C'}));1290  eq (Z.sequence (Maybe, {a: Just ('A'), b: Just ('B'), c: Just ('C'), x: Nothing}), Nothing);1291  eq (Z.sequence (Array, {a: [1, 2], b: [3, 4]}), [{a: 1, b: 3}, {a: 1, b: 4}, {a: 2, b: 3}, {a: 2, b: 4}]);1292});1293test ('extend', () => {1294  eq (Z.extend.length, 2);1295  eq (Z.extend (joinWith (''), []), []);1296  eq (Z.extend (joinWith (''), ['x']), ['x']);1297  eq (Z.extend (joinWith (''), ['x', 'y']), ['xy', 'y']);1298  eq (Z.extend (joinWith (''), ['x', 'y', 'z']), ['xyz', 'yz', 'z']);1299  eq (Z.extend (id => Z.reduce (add, 1, id), Identity (42)), Identity (43));1300  eq (Z.extend (f => f ([3, 4]), Z.reverse) ([1, 2]), [4, 3, 2, 1]);1301});1302test ('duplicate', () => {1303  eq (Z.duplicate.length, 1);1304  eq (Z.duplicate ([]), []);1305  eq (Z.duplicate ([[]]), [[[]]]);1306  eq (Z.duplicate ([1, 2, 3]), [[1, 2, 3], [2, 3], [3]]);1307  eq (Z.duplicate ([[1, 2, 3]]), [[[1, 2, 3]]]);1308  eq (Z.duplicate (Identity (1)), Identity (Identity (1)));1309  eq (Z.duplicate (Identity (Identity (1))), Identity (Identity (Identity (1))));1310});1311test ('extract', () => {1312  eq (Z.extract.length, 1);1313  eq (Z.extract (Identity (42)), 42);1314});1315test ('contramap', () => {1316  eq (Z.contramap.length, 2);1317  eq (Z.contramap (length, inc) ('abc'), 4);1318});1319const testLaws = specs => {1320  (Object.keys (specs)).forEach (typeClassName => {1321    suite (typeClassName, () => {1322      const spec = specs[typeClassName];1323      (Object.keys (spec.module)).forEach (name => {1324        test (name.replace (/[A-Z]/g, c => ' ' + c.toLowerCase ()),1325              spec.module[name] (...spec.laws[name]));1326      });1327    });1328  });1329};1330suite ('laws', () => {1331  suite ('Null', () => {1332    testLaws ({1333      Setoid: {1334        module: laws.Setoid,1335        laws: {1336          reflexivity: [1337            jsc.constant (null),1338          ],1339          symmetry: [1340            jsc.constant (null),1341            jsc.constant (null),1342          ],1343          transitivity: [1344            jsc.constant (null),1345            jsc.constant (null),1346            jsc.constant (null),1347          ],1348        },1349      },1350      Ord: {1351        module: laws.Ord,1352        laws: {1353          totality: [1354            jsc.constant (null),1355            jsc.constant (null),1356          ],1357          antisymmetry: [1358            jsc.constant (null),1359            jsc.constant (null),1360            jsc.constant (null),1361          ],1362          transitivity: [1363            jsc.constant (null),1364            jsc.constant (null),1365            jsc.constant (null),1366          ],1367        },1368      },1369    });1370  });1371  suite ('Undefined', () => {1372    testLaws ({1373      Setoid: {1374        module: laws.Setoid,1375        laws: {1376          reflexivity: [1377            jsc.constant (undefined),1378          ],1379          symmetry: [1380            jsc.constant (undefined),1381            jsc.constant (undefined),1382          ],1383          transitivity: [1384            jsc.constant (undefined),1385            jsc.constant (undefined),1386            jsc.constant (undefined),1387          ],1388        },1389      },1390      Ord: {1391        module: laws.Ord,1392        laws: {1393          totality: [1394            jsc.constant (undefined),1395            jsc.constant (undefined),1396          ],1397          antisymmetry: [1398            jsc.constant (undefined),1399            jsc.constant (undefined),1400            jsc.constant (undefined),1401          ],1402          transitivity: [1403            jsc.constant (undefined),1404            jsc.constant (undefined),1405            jsc.constant (undefined),1406          ],1407        },1408      },1409    });1410  });1411  suite ('Boolean', () => {1412    testLaws ({1413      Setoid: {1414        module: laws.Setoid,1415        laws: {1416          reflexivity: [1417            jsc.bool,1418          ],1419          symmetry: [1420            jsc.bool,1421            jsc.bool,1422          ],1423          transitivity: [1424            jsc.bool,1425            jsc.bool,1426            jsc.bool,1427          ],1428        },1429      },1430      Ord: {1431        module: laws.Ord,1432        laws: {1433          totality: [1434            jsc.bool,1435            jsc.bool,1436          ],1437          antisymmetry: [1438            jsc.bool,1439            jsc.bool,1440            jsc.bool,1441          ],1442          transitivity: [1443            jsc.bool,1444            jsc.bool,1445            jsc.bool,1446          ],1447        },1448      },1449    });1450  });1451  suite ('Number', () => {1452    const arb = jsc.oneof (jsc.number, jsc.number, jsc.number, jsc.constant (Infinity), jsc.constant (-Infinity), jsc.constant (NaN));1453    testLaws ({1454      Setoid: {1455        module: laws.Setoid,1456        laws: {1457          reflexivity: [1458            arb,1459          ],1460          symmetry: [1461            arb,1462            arb,1463          ],1464          transitivity: [1465            arb,1466            arb,1467            arb,1468          ],1469        },1470      },1471      Ord: {1472        module: laws.Ord,1473        laws: {1474          totality: [1475            arb,1476            arb,1477          ],1478          antisymmetry: [1479            arb,1480            arb,1481          ],1482          transitivity: [1483            arb,1484            arb,1485            arb,1486          ],1487        },1488      },1489    });1490  });1491  suite ('Date', () => {1492    const arb = jsc.oneof (jsc.datetime, jsc.datetime, jsc.constant (new Date (NaN)));1493    testLaws ({1494      Setoid: {1495        module: laws.Setoid,1496        laws: {1497          reflexivity: [1498            arb,1499          ],1500          symmetry: [1501            arb,1502            arb,1503          ],1504          transitivity: [1505            arb,1506            arb,1507            arb,1508          ],1509        },1510      },1511      Ord: {1512        module: laws.Ord,1513        laws: {1514          totality: [1515            arb,1516            arb,1517          ],1518          antisymmetry: [1519            arb,1520            arb,1521          ],1522          transitivity: [1523            arb,1524            arb,1525            arb,1526          ],1527        },1528      },1529    });1530  });1531  suite ('RegExp', () => {1532    const flagsArb = jsc.oneof (['', 'g', 'i', 'm', 'gi', 'gm', 'im', 'gim'].map (jsc.constant));1533    const patternArb = jsc.suchthat (jsc.string, s => {1534      try {1535        new RegExp (s);1536        return true;1537      } catch (e) {1538        return false;1539      }1540    });1541    const arb = mapArb (({flags, pattern}) => new RegExp (pattern, flags))1542                       (jsc.record ({flags: flagsArb, pattern: patternArb}));1543    testLaws ({1544      Setoid: {1545        module: laws.Setoid,1546        laws: {1547          reflexivity: [1548            arb,1549          ],1550          symmetry: [1551            arb,1552            arb,1553          ],1554          transitivity: [1555            arb,1556            arb,1557            arb,1558          ],1559        },1560      },1561    });1562  });1563  suite ('String', () => {1564    testLaws ({1565      Setoid: {1566        module: laws.Setoid,1567        laws: {1568          reflexivity: [1569            jsc.string,1570          ],1571          symmetry: [1572            jsc.string,1573            jsc.string,1574          ],1575          transitivity: [1576            jsc.string,1577            jsc.string,1578            jsc.string,1579          ],1580        },1581      },1582      Ord: {1583        module: laws.Ord,1584        laws: {1585          totality: [1586            jsc.string,1587            jsc.string,1588          ],1589          antisymmetry: [1590            jsc.string,1591            jsc.string,1592          ],1593          transitivity: [1594            jsc.string,1595            jsc.string,1596            jsc.string,1597          ],1598        },1599      },1600      Semigroup: {1601        module: laws.Semigroup (Z.equals),1602        laws: {1603          associativity: [1604            jsc.string,1605            jsc.string,1606            jsc.string,1607          ],1608        },1609      },1610      Monoid: {1611        module: laws.Monoid (Z.equals, String),1612        laws: {1613          leftIdentity: [1614            jsc.string,1615          ],1616          rightIdentity: [1617            jsc.string,1618          ],1619        },1620      },1621    });1622  });1623  suite ('Array', () => {1624    testLaws ({1625      Setoid: {1626        module: laws.Setoid,1627        laws: {1628          reflexivity: [1629            jsc.array (jsc.number),1630          ],1631          symmetry: [1632            jsc.array (jsc.number),1633            jsc.array (jsc.number),1634          ],1635          transitivity: [1636            jsc.array (jsc.number),1637            jsc.array (jsc.number),1638            jsc.array (jsc.number),1639          ],1640        },1641      },1642      Ord: {1643        module: laws.Ord,1644        laws: {1645          totality: [1646            jsc.array (jsc.number),1647            jsc.array (jsc.number),1648          ],1649          antisymmetry: [1650            jsc.array (jsc.number),1651            jsc.array (jsc.number),1652          ],1653          transitivity: [1654            jsc.array (jsc.number),1655            jsc.array (jsc.number),1656            jsc.array (jsc.number),1657          ],1658        },1659      },1660      Semigroup: {1661        module: laws.Semigroup (Z.equals),1662        laws: {1663          associativity: [1664            jsc.array (jsc.number),1665            jsc.array (jsc.number),1666            jsc.array (jsc.number),1667          ],1668        },1669      },1670      Monoid: {1671        module: laws.Monoid (Z.equals, Array),1672        laws: {1673          leftIdentity: [1674            jsc.array (jsc.number),1675          ],1676          rightIdentity: [1677            jsc.array (jsc.number),1678          ],1679        },1680      },1681      Filterable: {1682        module: laws.Filterable (Z.equals),1683        laws: {1684          distributivity: [1685            jsc.array (jsc.number),1686            jsc.constant (gt (-10)),1687            jsc.constant (lt (10)),1688          ],1689          identity: [1690            jsc.array (jsc.number),1691          ],1692          annihilation: [1693            jsc.array (jsc.number),1694            jsc.array (jsc.number),1695          ],1696        },1697      },1698      Functor: {1699        module: laws.Functor (Z.equals),1700        laws: {1701          identity: [1702            jsc.array (jsc.number),1703          ],1704          composition: [1705            jsc.array (jsc.number),1706            jsc.constant (Math.sqrt),1707            jsc.constant (Math.abs),1708          ],1709        },1710      },1711      Apply: {1712        module: laws.Apply (Z.equals),1713        laws: {1714          composition: [1715            jsc.constant ([Math.sqrt, square]),1716            jsc.constant ([Math.abs]),1717            jsc.array (jsc.number),1718          ],1719        },1720      },1721      Applicative: {1722        module: laws.Applicative (Z.equals, Array),1723        laws: {1724          identity: [1725            jsc.array (jsc.number),1726          ],1727          homomorphism: [1728            jsc.constant (square),1729            jsc.number,1730          ],1731          interchange: [1732            jsc.constant ([Math.abs, square]),1733            jsc.number,1734          ],1735        },1736      },1737      Chain: {1738        module: laws.Chain (Z.equals),1739        laws: {1740          associativity: [1741            jsc.array (jsc.number),1742            jsc.constant (x => x > 0 ? [x] : []),1743            jsc.constant (x => [-x, x]),1744          ],1745        },1746      },1747      ChainRec: {1748        module: laws.ChainRec (Z.equals, Array),1749        laws: {1750          equivalence: [1751            jsc.constant (s => s.length === 2),1752            jsc.constant (s => [s + 'o', s + 'n']),1753            jsc.constant (s => [s + '!', s + '?']),1754            jsc.constant (''),1755          ],1756        },1757      },1758      Monad: {1759        module: laws.Monad (Z.equals, Array),1760        laws: {1761          leftIdentity: [1762            jsc.constant (double),1763            jsc.number,1764          ],1765          rightIdentity: [1766            jsc.array (jsc.number),1767          ],1768        },1769      },1770      Alt: {1771        module: laws.Alt (Z.equals),1772        laws: {1773          associativity: [1774            jsc.array (jsc.number),1775            jsc.array (jsc.number),1776            jsc.array (jsc.number),1777          ],1778          distributivity: [1779            jsc.array (jsc.number),1780            jsc.array (jsc.number),1781            jsc.constant (square),1782          ],1783        },1784      },1785      Plus: {1786        module: laws.Plus (Z.equals, Array),1787        laws: {1788          leftIdentity: [1789            jsc.array (jsc.number),1790          ],1791          rightIdentity: [1792            jsc.array (jsc.number),1793          ],1794          annihilation: [1795            jsc.constant (square),1796          ],1797        },1798      },1799      Alternative: {1800        module: laws.Alternative (Z.equals, Array),1801        laws: {1802          distributivity: [1803            jsc.array (jsc.number),1804            jsc.constant ([Math.abs, Math.sqrt]),1805            jsc.constant ([square]),1806          ],1807          annihilation: [1808            jsc.array (jsc.number),1809          ],1810        },1811      },1812      Foldable: {1813        module: laws.Foldable (Z.equals),1814        laws: {1815          associativity: [1816            jsc.constant ((x, y) => x - y),1817            jsc.number,1818            jsc.array (jsc.number),1819          ],1820        },1821      },1822      Traversable: {1823        module: laws.Traversable (Z.equals),1824        laws: {1825          naturality: [1826            jsc.constant (List),1827            jsc.constant (Array),1828            jsc.constant (listToArray),1829            jsc.array (ListArb (jsc.number)),1830          ],1831          identity: [1832            jsc.constant (Identity),1833            jsc.array (jsc.number),1834          ],1835          composition: [1836            jsc.constant (Maybe),1837            jsc.constant (List),1838            jsc.array (MaybeArb (ListArb (jsc.number))),1839          ],1840        },1841      },1842      Extend: {1843        module: laws.Extend (Z.equals),1844        laws: {1845          associativity: [1846            jsc.array (jsc.number),1847            jsc.constant (product),1848            jsc.constant (sum),1849          ],1850        },1851      },1852    });1853  });1854  suite ('Arguments', () => {1855    const arb = mapArb (Function.prototype.apply.bind (args))1856                       (jsc.array (jsc.oneof (jsc.number, jsc.string)));1857    testLaws ({1858      Setoid: {1859        module: laws.Setoid,1860        laws: {1861          reflexivity: [1862            arb,1863          ],1864          symmetry: [1865            arb,1866            arb,1867          ],1868          transitivity: [1869            arb,1870            arb,1871            arb,1872          ],1873        },1874      },1875      Ord: {1876        module: laws.Ord,1877        laws: {1878          totality: [1879            arb,1880            arb,1881          ],1882          antisymmetry: [1883            arb,1884            arb,1885          ],1886          transitivity: [1887            arb,1888            arb,1889            arb,1890          ],1891        },1892      },1893    });1894  });1895  suite ('Error', () => {1896    const arb = smapArb (s => new Error (s)) (e => e.message) (jsc.string);1897    testLaws ({1898      Setoid: {1899        module: laws.Setoid,1900        laws: {1901          reflexivity: [1902            arb,1903          ],1904          symmetry: [1905            arb,1906            arb,1907          ],1908          transitivity: [1909            arb,1910            arb,1911            arb,1912          ],1913        },1914      },1915    });1916  });1917  suite ('Object', () => {1918    testLaws ({1919      Setoid: {1920        module: laws.Setoid,1921        laws: {1922          reflexivity: [1923            jsc.dict (jsc.array (jsc.number)),1924          ],1925          symmetry: [1926            jsc.dict (jsc.array (jsc.number)),1927            jsc.dict (jsc.array (jsc.number)),1928          ],1929          transitivity: [1930            jsc.dict (jsc.array (jsc.number)),1931            jsc.dict (jsc.array (jsc.number)),1932            jsc.dict (jsc.array (jsc.number)),1933          ],1934        },1935      },1936      Ord: {1937        module: laws.Ord,1938        laws: {1939          totality: [1940            jsc.dict (jsc.array (jsc.number)),1941            jsc.dict (jsc.array (jsc.number)),1942          ],1943          antisymmetry: [1944            jsc.dict (jsc.array (jsc.number)),1945            jsc.dict (jsc.array (jsc.number)),1946          ],1947          transitivity: [1948            jsc.dict (jsc.array (jsc.number)),1949            jsc.dict (jsc.array (jsc.number)),1950            jsc.dict (jsc.array (jsc.number)),1951          ],1952        },1953      },1954      Semigroup: {1955        module: laws.Semigroup (Z.equals),1956        laws: {1957          associativity: [1958            jsc.dict (jsc.array (jsc.number)),1959            jsc.dict (jsc.array (jsc.number)),1960            jsc.dict (jsc.array (jsc.number)),1961          ],1962        },1963      },1964      Monoid: {1965        module: laws.Monoid (Z.equals, Object),1966        laws: {1967          leftIdentity: [1968            jsc.dict (jsc.array (jsc.number)),1969          ],1970          rightIdentity: [1971            jsc.dict (jsc.array (jsc.number)),1972          ],1973        },1974      },1975      Filterable: {1976        module: laws.Filterable (Z.equals),1977        laws: {1978          distributivity: [1979            jsc.dict (jsc.array (jsc.number)),1980            jsc.constant (xs => xs.length % 2 === 0),1981            jsc.constant (compose (gt (0)) (sum)),1982          ],1983          identity: [1984            jsc.dict (jsc.array (jsc.number)),1985          ],1986          annihilation: [1987            jsc.dict (jsc.array (jsc.number)),1988            jsc.dict (jsc.array (jsc.number)),1989          ],1990        },1991      },1992      Functor: {1993        module: laws.Functor (Z.equals),1994        laws: {1995          identity: [1996            jsc.dict (jsc.array (jsc.number)),1997          ],1998          composition: [1999            jsc.dict (jsc.array (jsc.number)),2000            jsc.constant (Math.round),2001            jsc.constant (sum),2002          ],2003        },2004      },2005      Apply: {2006        module: laws.Apply (Z.equals),2007        laws: {2008          composition: [2009            jsc.dict (jsc.constant (Math.round)),2010            jsc.dict (jsc.constant (sum)),2011            jsc.dict (jsc.array (jsc.number)),2012          ],2013        },2014      },2015      Alt: {2016        module: laws.Alt (Z.equals),2017        laws: {2018          associativity: [2019            jsc.dict (jsc.array (jsc.number)),2020            jsc.dict (jsc.array (jsc.number)),2021            jsc.dict (jsc.array (jsc.number)),2022          ],2023          distributivity: [2024            jsc.dict (jsc.array (jsc.number)),2025            jsc.dict (jsc.array (jsc.number)),2026            jsc.constant (sum),2027          ],2028        },2029      },2030      Plus: {2031        module: laws.Plus (Z.equals, Object),2032        laws: {2033          leftIdentity: [2034            jsc.dict (jsc.array (jsc.number)),2035          ],2036          rightIdentity: [2037            jsc.dict (jsc.array (jsc.number)),2038          ],2039          annihilation: [2040            jsc.constant (sum),2041          ],2042        },2043      },2044      Foldable: {2045        module: laws.Foldable (Z.equals),2046        laws: {2047          associativity: [2048            jsc.constant (Z.concat),2049            jsc.array (jsc.number),2050            jsc.dict (jsc.array (jsc.number)),2051          ],2052        },2053      },2054      Traversable: {2055        module: laws.Traversable (Z.equals),2056        laws: {2057          naturality: [2058            jsc.constant (List),2059            jsc.constant (Array),2060            jsc.constant (listToArray),2061            jsc.dict (ListArb (jsc.number)),2062          ],2063          identity: [2064            jsc.constant (Identity),2065            jsc.dict (jsc.array (jsc.number)),2066          ],2067          composition: [2068            jsc.constant (Maybe),2069            jsc.constant (List),2070            jsc.dict (MaybeArb (ListArb (jsc.number))),2071          ],2072        },2073      },2074    });2075  });2076  suite ('Function', () => {2077    const resultsEqual = x => (f, g) => Z.equals (f (x), g (x));2078    const arb = jsc.oneof (jsc.constant (abs), jsc.constant (square));2079    testLaws ({2080      Setoid: {2081        module: laws.Setoid,2082        laws: {2083          reflexivity: [2084            arb,2085          ],2086          symmetry: [2087            arb,2088            arb,2089          ],2090          transitivity: [2091            arb,2092            arb,2093            arb,2094          ],2095        },2096      },2097      Semigroupoid: {2098        module: laws.Semigroupoid (resultsEqual (['foo', 'bar', 'baz'])),2099        laws: {2100          associativity: [2101            jsc.constant (square),2102            jsc.constant (length),2103            jsc.constant (joinWith ('')),2104          ],2105        },2106      },2107      Category: {2108        module: laws.Category (resultsEqual (['foo', 'bar', 'baz'])),2109        laws: {2110          leftIdentity: [2111            jsc.constant (Function),2112            jsc.constant (joinWith ('')),2113          ],2114          rightIdentity: [2115            jsc.constant (Function),2116            jsc.constant (joinWith ('')),2117          ],2118        },2119      },2120      Functor: {2121        module: laws.Functor (resultsEqual (['foo', 'bar', 'baz'])),2122        laws: {2123          identity: [2124            jsc.constant (Z.reverse),2125          ],2126          composition: [2127            jsc.constant (Z.reverse),2128            jsc.constant (splitOn ('a')),2129            jsc.constant (joinWith ('-')),2130          ],2131        },2132      },2133      Profunctor: {2134        module: laws.Profunctor (resultsEqual (['foo', 'bar', 'baz'])),2135        laws: {2136          identity: [2137            jsc.constant (append ('3')),2138          ],2139          composition: [2140            jsc.constant (append ('3')),2141            jsc.constant (append ('2')),2142            jsc.constant (append ('1')),2143            jsc.constant (append ('5')),2144            jsc.constant (append ('4')),2145          ],2146        },2147      },2148      Apply: {2149        module: laws.Apply (resultsEqual (['foo', 'bar', 'baz'])),2150        laws: {2151          composition: [2152            jsc.constant (xs => x => [x].concat (xs)),2153            jsc.constant (xs => n => xs[n - 1]),2154            jsc.constant (length),2155          ],2156        },2157      },2158      Applicative: {2159        module: laws.Applicative (resultsEqual (['foo', 'bar', 'baz']), Function),2160        laws: {2161          identity: [2162            jsc.constant (length),2163          ],2164          homomorphism: [2165            jsc.constant (joinWith ('')),2166            jsc.array (jsc.string),2167          ],2168          interchange: [2169            jsc.constant (concat),2170            jsc.array (jsc.string),2171          ],2172        },2173      },2174      Chain: {2175        module: laws.Chain (resultsEqual (['foo', 'bar', 'baz'])),2176        laws: {2177          associativity: [2178            jsc.constant (length),2179            jsc.constant (n => xs => xs[n - 1]),2180            jsc.constant (x => xs => [x].concat (xs)),2181          ],2182        },2183      },2184      ChainRec: {2185        module: laws.ChainRec (resultsEqual ({step: 2, inc: 100}), Function),2186        laws: {2187          equivalence: [2188            jsc.constant (n => n === 3000),2189            jsc.constant (n => env => n + env.step),2190            jsc.constant (n => env => n + env.inc),2191            jsc.constant (0),2192          ],2193        },2194      },2195      Monad: {2196        module: laws.Monad (resultsEqual (['foo', 'bar', 'baz']), Function),2197        laws: {2198          leftIdentity: [2199            jsc.constant (compose (joinWith ('-'))),2200            jsc.constant (Z.reverse),2201          ],2202          rightIdentity: [2203            jsc.constant (Z.reverse),2204          ],2205        },2206      },2207      Extend: {2208        module: laws.Extend (resultsEqual (['foo', 'bar', 'baz'])),2209        laws: {2210          associativity: [2211            jsc.constant (Z.reverse),2212            jsc.constant (f => f (['(w b) -> c'])),2213            jsc.constant (f => f (['(w a) -> b'])),2214          ],2215        },2216      },2217      Contravariant: {2218        module: laws.Contravariant (resultsEqual (['foo', 'bar', 'baz'])),2219        laws: {2220          identity: [2221            jsc.constant (Z.reverse),2222          ],2223          composition: [2224            jsc.constant (Z.reverse),2225            jsc.constant (splitOn ('a')),2226            jsc.constant (joinWith ('-')),2227          ],2228        },2229      },2230    });2231  });...

MixedCaseArbitrary.ts

Source:MixedCaseArbitrary.ts

1import { Random } from '../../random/generator/Random';2import { Stream } from '../../stream/Stream';3import { bigUintN } from '../bigUintN';4import { Arbitrary } from '../../check/arbitrary/definition/Arbitrary';5import { Value } from '../../check/arbitrary/definition/Value';6import { makeLazy } from '../../stream/LazyIterableIterator';7import {8  applyFlagsOnChars,9  computeFlagsFromChars,10  computeNextFlags,11  computeTogglePositions,12} from './helpers/ToggleFlags';13import { safeJoin, safeSlice } from '../../utils/globals';14import { BigInt } from '../../utils/globals';15/** @internal */16type MixedCaseArbitraryContext = {17  rawString: string;18  rawStringContext: unknown;19  flags: bigint;20  flagsContext: unknown;21};22/** @internal */23export class MixedCaseArbitrary extends Arbitrary<string> {24  constructor(25    private readonly stringArb: Arbitrary<string>,26    private readonly toggleCase: (rawChar: string) => string,27    private readonly untoggleAll: ((toggledString: string) => string) | undefined28  ) {29    super();30  }31  /**32   * Create a proper context33   * @param rawStringValue34   * @param flagsValue35   */36  private buildContextFor(rawStringValue: Value<string>, flagsValue: Value<bigint>): MixedCaseArbitraryContext {37    return {38      rawString: rawStringValue.value,39      rawStringContext: rawStringValue.context,40      flags: flagsValue.value,41      flagsContext: flagsValue.context,42    };43  }44  generate(mrng: Random, biasFactor: number | undefined): Value<string> {45    const rawStringValue = this.stringArb.generate(mrng, biasFactor);46    const chars = [...rawStringValue.value]; // split into valid unicode (keeps surrogate pairs)47    const togglePositions = computeTogglePositions(chars, this.toggleCase);48    const flagsArb = bigUintN(togglePositions.length);49    const flagsValue = flagsArb.generate(mrng, undefined); // true => toggle the char, false => keep it as-is50    applyFlagsOnChars(chars, flagsValue.value, togglePositions, this.toggleCase);51    return new Value(safeJoin(chars, ''), this.buildContextFor(rawStringValue, flagsValue));52  }53  canShrinkWithoutContext(value: unknown): value is string {54    if (typeof value !== 'string') {55      return false;56    }57    return this.untoggleAll !== undefined58      ? this.stringArb.canShrinkWithoutContext(this.untoggleAll(value))59      : // If nothing was toggled or if the underlying generator can still shrink it, we consider it shrinkable60        this.stringArb.canShrinkWithoutContext(value);61  }62  shrink(value: string, context?: unknown): Stream<Value<string>> {63    let contextSafe: MixedCaseArbitraryContext;64    if (context !== undefined) {65      contextSafe = context as MixedCaseArbitraryContext;66    } else {67      // As user should have called canShrinkWithoutContext first;68      // We know that the untoggled string can be shrunk without any context69      if (this.untoggleAll !== undefined) {70        const untoggledValue = this.untoggleAll(value);71        const valueChars = [...value];72        const untoggledValueChars = [...untoggledValue];73        const togglePositions = computeTogglePositions(untoggledValueChars, this.toggleCase);74        contextSafe = {75          rawString: untoggledValue,76          rawStringContext: undefined,77          flags: computeFlagsFromChars(untoggledValueChars, valueChars, togglePositions),78          flagsContext: undefined,79        };80      } else {81        contextSafe = {82          rawString: value,83          rawStringContext: undefined,84          flags: BigInt(0),85          flagsContext: undefined,86        };87      }88    }89    const rawString = contextSafe.rawString;90    const flags = contextSafe.flags;91    return this.stringArb92      .shrink(rawString, contextSafe.rawStringContext)93      .map((nRawStringValue) => {94        const nChars = [...nRawStringValue.value];95        const nTogglePositions = computeTogglePositions(nChars, this.toggleCase);96        const nFlags = computeNextFlags(flags, nTogglePositions.length);97        // Potentially new value for nTogglePositions.length, new value for nFlags98        // so flagsContext is not applicable anymore99        applyFlagsOnChars(nChars, nFlags, nTogglePositions, this.toggleCase);100        // Remark: Value nFlags can be attached to a context equal to undefined101        // as `canShrinkWithoutContext(nFlags) === true` for the bigint arbitrary102        return new Value(safeJoin(nChars, ''), this.buildContextFor(nRawStringValue, new Value(nFlags, undefined)));103      })104      .join(105        makeLazy(() => {106          const chars = [...rawString];107          const togglePositions = computeTogglePositions(chars, this.toggleCase);108          return bigUintN(togglePositions.length)109            .shrink(flags, contextSafe.flagsContext)110            .map((nFlagsValue) => {111              const nChars = safeSlice(chars); // cloning chars112              applyFlagsOnChars(nChars, nFlagsValue.value, togglePositions, this.toggleCase);113              return new Value(114                safeJoin(nChars, ''),115                this.buildContextFor(new Value(rawString, contextSafe.rawStringContext), nFlagsValue)116              );117            });118        })119      );120  }...

Using AI Code Generation

1const fc = require('fast-check');2const flagsArb = require('fast-check-monorepo').flagsArb;3fc.assert(4    fc.property(flagsArb(), (flags) => {5        console.log(flags);6        return true;7    }),8);9const fc = require('fast-check');10test('test', () => {11    fc.assert(12        fc.property(fc.integer(), (x) => {13            expect(x).toBeGreaterThanOrEqual(0);14        }),15    );16});17at Object.<anonymous> (node_modules/fast-check/lib/check/arbitrary/FlagsArbitrary.js:12:31)18const fc = require('fast-check');19test('test', () => {20    fc.assert(21        fc.property(fc.integer(), (x) => {22            expect(x).toBeGreaterThanOrEqual(0);23        }),24    );25});26at Object.<anonymous> (node_modules/fast-check/lib/check/arbitrary/FlagsArbitrary.js:12:31)27const fc = require('fast-check');28test('test', () => {29    fc.assert(30        fc.property(fc.integer(), (x) => {31            expect(x).toBeGreaterThanOrEqual(0);32        }),33    );34});35at Object.<anonymous> (node_modules/fast-check/lib/check/arbitrary/FlagsArbitrary.js:12:31)

Using AI Code Generation

1const fc = require('fast-check');2fc.flagsArb().map(flags => {3    console.log(flags);4});5const fc = require('fast-check');6fc.flagsArb().map(flags => {7    console.log(flags);8});

Using AI Code Generation

1const fc = require('fast-check');2const flagsArb = require('fast-check/lib/arbitrary/flagsArb');3const flag = require('fast-check/lib/arbitrary/flag');4const { flags } = require('fast-check/lib/arbitrary/flags');5const flagsArb2 = flagsArb(flags(flag('a'), flag('b'), flag('c')));6fc.assert(7  fc.property(flagsArb2, flags => {8    console.log(flags);9    return true;10  })11);

Using AI Code Generation

1const fc = require('fast-check');2const { flagsArb } = require('fast-check/lib/arbitrary/_internals/FlagsArbitrary');3const flagsArbTest = flagsArb(3);4flagsArbTest.generate(1, 1);5const flagsArbTest1 = fc.flagsArb(3);6flagsArbTest1.generate(1, 1);7  throw err;8    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15)9    at Function.Module._load (internal/modules/cjs/loader.js:725:27)10    at Module.require (internal/modules/cjs/loader.js:952:19)11    at require (internal/modules/cjs/helpers.js:88:18)12    at Object.<anonymous> (C:\Users\user\Documents\fast-check-monorepo\fast-check-monorepo\test3\test3.js:3:18)13    at Module._compile (internal/modules/cjs/loader.js:1063:30)14    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)15    at Module.load (internal/modules/cjs/loader.js:928:32)16    at Function.Module._load (internal/modules/cjs/loader.js:769:14)17    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12) {18}

Using AI Code Generation

1const fc = require('fast-check');2const arb = fc.flagsArb(fc.integer());3fc.assert(fc.property(arb, (flags) => {4    console.log(flags);5    return true;6}));7const fc = require('fast-check');8const arb = fc.flagsArb(fc.integer());9fc.assert(fc.property(arb, (flags) => {10    console.log(flags);11    return true;12}));13const fc = require('fast-check');14const arb = fc.flagsArb(fc.integer());15fc.assert(fc.property(arb, (flags) => {16    console.log(flags);17    return true;18}));19const fc = require('fast-check');20const arb = fc.flagsArb(fc.integer());21fc.assert(fc.property(arb, (flags) => {22    console.log(flags);23    return true;24}));25const fc = require('fast-check');26const arb = fc.flagsArb(fc.integer());27fc.assert(fc.property(arb, (flags) => {28    console.log(flags);29    return true;30}));31const fc = require('fast-check');32const arb = fc.flagsArb(fc.integer());33fc.assert(fc.property(arb, (flags) => {34    console.log(flags);35    return true;36}));37const fc = require('fast-check');38const arb = fc.flagsArb(fc.integer());39fc.assert(fc.property(arb, (flags) => {40    console.log(flags);41    return true;42}));43const fc = require('fast-check');44const arb = fc.flagsArb(fc.integer());45fc.assert(fc.property(arb, (flags) => {46    console.log(flags);47    return true;48}));

Using AI Code Generation

1const fc = require('fast-check');2fc.configureGlobal({verbose: true});3fc.assert(4  fc.property(5    fc.flagsArb(6      {flags: ['a', 'b', 'c']},7      {num: 1, build: (flags) => flags.join('')},8      {num: 2, build: (flags) => flags.join('')}9    (flags) => {10      console.log('flags:', flags);11      return true;12    }13);14const fc = require('fast-check');15fc.configureGlobal({verbose: true});16fc.assert(17  fc.property(18    fc.flagsArb(19      {flags: ['a', 'b', 'c']},20      {num: 1, build: (flags) => flags.join('')},21      {num: 2, build: (flags) => flags.join('')}22    (flags) => {23      console.log('flags:', flags);24      return true;25    }26);27const fc = require('fast-check');28fc.configureGlobal({verbose: true});29fc.assert(30  fc.property(31    fc.flagsArb(32      {flags: ['a', 'b', 'c']},33      {num: 1, build: (flags) => flags.join('')},34      {num: 2, build: (flags) => flags.join('')}35    (flags) => {36      console.log('flags:', flags);37      return true;38    }39);40const fc = require('fast-check');41fc.configureGlobal({verbose: true});42fc.assert(43  fc.property(44    fc.flagsArb(45      {flags: ['a', 'b', 'c']},46      {num: 1, build: (flags) => flags.join('')},47      {num: 2, build: (flags) => flags.join('')}48    (flags) => {49      console.log('flags:', flags);50      return true;51    }52);

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