How to use maxSafeInteger method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

array-length-cant-get-casted-to-unsigned.js

Source:array-length-cant-get-casted-to-unsigned.js

1function assert(b) {2    if (!b)3        throw new Error;4}5const boundary = 2**32; // UINT_MAX + 16const maxSafeInteger = 2**53 - 1;7function testArrayPop() {8    let obj = {9        0: 42,10        length: boundary 11    };12    Array.prototype.pop.call(obj);13    assert(obj[0] === 42);14    assert(obj.length === boundary - 1);15}16testArrayPop();17function testArrayPush() {18    let obj = {19        0: 42,20        length: boundary21    };22    Array.prototype.push.call(obj, 10);23    assert(obj[0] === 42);24    assert(obj.length === boundary + 1);25}26testArrayPush();27// NOTE: this takes very long so we don't run it...28function testArrayReverse() {29    let obj = {30        0: 42,31        [boundary - 1]: 0,32        length: boundary33    };34    Array.prototype.reverse.call(obj);35    assert(obj[0] === 0);36    assert(obj[boundary - 1] === 42);37}38//testArrayReverse();39// NOTE: this takes very long so we don't run it...40function testArrayShift() {41    let obj = {42        0: 42,43        length: boundary44    };45    let elem = Array.prototype.shift.call(obj);46    assert(elem === 42);47    assert(obj.length === boundary - 1);48    assert(obj[0] === undefined);49}50//testArrayShift();51function testArraySlice() {52    let obj = {53        0: 42,54        1: 43,55        length: boundary56    };57    let arr = Array.prototype.slice.call(obj, 0, 2);58    assert(arr[0] === 42);59    assert(arr[1] === 43);60    assert(arr.length === 2);61}62testArraySlice();63function testArraySplice() {64    let obj = {65        0: 42,66        1: 43,67        length: boundary68    };69    Array.prototype.splice.call(obj, boundary-1, 0, 1, 2, 3);70    assert(obj.length === boundary + 3);71    assert(obj[boundary-1] === 1);72    assert(obj[boundary] === 2);73    assert(obj[boundary+1] === 3);74}75testArraySplice();76// NOTE: this takes very long so we don't run it...77function testArrayUnshift() {78    let obj = {79        1: 42,80        length: boundary81    };82    Array.prototype.unshift.call(obj, 43);83    assert(obj[0] === 43);84    assert(obj[2] === 42);85    assert(obj.length === boundary + 1);86}87//testArrayUnshift();88function testArrayIndexOf() {89    let obj = {90        30: 42,91        length: boundary92    };93    let r = Array.prototype.indexOf.call(obj, 42);94    assert(r === 30);95}96testArrayIndexOf();97function testArrayLastIndexOf() {98    let obj = {99        [boundary - 30]: 42,100        length: boundary101    };102    let r = Array.prototype.lastIndexOf.call(obj, 42);103    assert(r === boundary - 30);104}105testArrayLastIndexOf();106function shouldThrowTypeError(f) {107    let ok = false;108    try {109        f();110    } catch(e) {111        ok = e instanceof TypeError && e.message.indexOf("larger than (2 ** 53) - 1") >= 0;112    }113    assert(ok);114}115shouldThrowTypeError(function() {116    let obj = {117        0: 42,118        length: maxSafeInteger119    };120    Array.prototype.push.call(obj, 10);121});122shouldThrowTypeError(function() {123    let obj = {124        0: 42,125        length: maxSafeInteger - 1126    };127    Array.prototype.push.call(obj, 10, 20);128});129shouldThrowTypeError(function() {130    let obj = {131        0: 42,132        length: maxSafeInteger133    };134    Array.prototype.unshift.call(obj, 10);135});136shouldThrowTypeError(function() {137    let obj = {138        0: 42,139        length: maxSafeInteger - 1140    };141    Array.prototype.unshift.call(obj, 10, 20);142});143shouldThrowTypeError(function() {144    let obj = {145        0: 42,146        length: maxSafeInteger147    };148    Array.prototype.splice.call(obj, obj.length - 10, 0, 10);149});150shouldThrowTypeError(function() {151    let obj = {152        0: 42,153        length: maxSafeInteger - 1154    };155    Array.prototype.splice.call(obj, obj.length - 10, 0, 10, 20);156});157shouldThrowTypeError(function() {158    let obj = {159        0: 42,160        length: maxSafeInteger - 1161    };162    Array.prototype.splice.call(obj, obj.length - 10, 1, 10, 20, 30);163});164shouldThrowTypeError(function() {165    let obj = {166        0: 42,167        length: maxSafeInteger168    };169    Array.prototype.splice.call(obj, obj.length - 10, 1, 10, 20);170});171function testJSONStringify() {172    let arr = [1,2,3];173    let p = new Proxy(arr, {174        get(target, prop, receiver) {175            if (prop === "length") {176                return boundary;177            }178            return Reflect.get(target, prop, receiver);179        }180    });181    let ok = false;182    try {183        JSON.stringify(p);184    } catch(e) {185        ok = e.message.indexOf("Out of memory") >= 0;186    }187    assert(ok);188}...

random.js

Source:random.js

1/* global window */2"use strict";3let getRandomValues = require("polyfill-crypto.getrandomvalues");4const crypto = window.crypto || window.msCrypto;5if (crypto && crypto.getRandomValues && Uint32Array) {6    getRandomValues = (typedArray) => {7        return crypto.getRandomValues(typedArray);8    };9}10// Floating points can store integers up to 2^53 safely.11const maxSafeInteger = Number.MAX_SAFE_INTEGER;12/**13 * Returns a number from 0 to just under 1, just like Math.random().14 *15 * @return {number}16 */17function number() {18    let result = maxSafeInteger;19    try {20        // Force a loop to happen so we can not return 1.21        while (result === maxSafeInteger) {22            const array = new Uint32Array(2);23            getRandomValues(array);24            // Get 21 bits from the first array element25            // eslint-disable-next-line no-bitwise26            result = array[0] & 0x1fffff;27            // Move those bits higher28            result *= 0x100000000;29            // Get a further 32 bits from the second array element30            result += array[1];31        }32        return result / maxSafeInteger;33    } catch (e) {34        // Exception in crypto. Fallback to Math.random.35        return Math.random();36    }37}38/**39 * Returns a number from 0 to (max - 1). Make sure the `max`40 * parameter is AT MOST 2^53 otherwise this falls back to41 * Math.random() and you certainly won't get an even distribution42 * of values because they can't be represented in the floating43 * point number.44 *45 * @param {number} max46 * @param {number} [min=0]47 * @return {number}48 */49function index(max) {50    try {51        if (max > maxSafeInteger) {52            // This is not a big-number library.53            throw new Error();54        }55        // Determine how many bits are needed56        let mask = 1;57        let bits = 1;58        while (mask < max) {59            mask *= 2;60            mask += 1;61            bits += 1;62        }63        if (bits <= 32) {64            let result = max;65            while (result >= max) {66                const array = new Uint32Array(1);67                getRandomValues(array);68                // eslint-disable-next-line no-bitwise69                result = array[0] & mask;70            }71            return result;72        } else {73            // We'll use all of the low byte. Need to determine how74            // much of the upper byte to use.75            for (let i = 0; i < 32; i += 1) {76                mask -= 1;77                mask /= 2;78                bits -= 1;79            }80            let result = max;81            while (result >= max) {82                const array = new Uint32Array(2);83                getRandomValues(array);84                // eslint-disable-next-line no-bitwise85                result = array[0] & mask;86                result *= 0x100000000;87                result += array[1];88            }89            return result;90        }91    } catch (e) {92        // Exception in crypto. Fallback to Math.random.93        return Math.floor(Math.random() * max);94    }95}96module.exports = {97    number,98    index,99    maxSafeInteger...

Using AI Code Generation

1const { maxSafeInteger } = require('fast-check');2console.log(maxSafeInteger);3const { maxSafeInteger } = require('fast-check');4console.log(maxSafeInteger);5const { maxSafeInteger } = require('fast-check');6console.log(maxSafeInteger);7const { maxSafeInteger } = require('fast-check');8console.log(maxSafeInteger);9const { maxSafeInteger } = require('fast-check');10console.log(maxSafeInteger);11const { maxSafeInteger } = require('fast-check');12console.log(maxSafeInteger);13const { maxSafeInteger } = require('fast-check');14console.log(maxSafeInteger);15const { maxSafeInteger } = require('fast-check');16console.log(maxSafeInteger);17const { maxSafeInteger } = require('fast-check');18console.log(maxSafeInteger);19const { maxSafeInteger } = require('fast-check');20console.log(maxSafeInteger);21const { maxSafeInteger } = require('fast-check');22console.log(maxSafeInteger);23const { maxSafeInteger } = require('fast-check');24console.log(maxSafeInteger);25const { maxSafeInteger } = require('fast-check');26console.log(maxSafeInteger);

Using AI Code Generation

1const fc = require('fast-check');2console.log(fc.maxSafeInteger);3const fc = require('@fast-check/core');4console.log(fc.maxSafeInteger);5const fc = require('@fast-check/arbitrary');6console.log(fc.maxSafeInteger);7const fc = require('@fast-check/property');8console.log(fc.maxSafeInteger);9const fc = require('@fast-check/commands');10console.log(fc.maxSafeInteger);11const fc = require('@fast-check/runner');12console.log(fc.maxSafeInteger);13const fc = require('@fast-check/test-check');14console.log(fc.maxSafeInteger);15const fc = require('@fast-check/test-runner');16console.log(fc.maxSafeInteger);17const fc = require('@fast-check/test-utils');18console.log(fc.maxSafeInteger);19const fc = require('@fast-check/generators');20console.log(fc.maxSafeInteger);21const fc = require('@fast-check/random');22console.log(fc.maxSafeInteger);23const fc = require('@fast-check/converters');24console.log(fc.maxSafeInteger);25const fc = require('@fast-check/async-property');26console.log(fc.maxSafeInteger);

Using AI Code Generation

1const fc = require('fast-check');2const maxSafeInteger = fc.maxSafeInteger;3console.log(maxSafeInteger);4const fc = require('fast-check/lib/fast-check-default');5const maxSafeInteger = fc.maxSafeInteger;6console.log(maxSafeInteger);7const fc = require('fast-check/lib/fast-check');8const maxSafeInteger = fc.maxSafeInteger;9console.log(maxSafeInteger);10const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary');11const maxSafeInteger = fc.maxSafeInteger;12console.log(maxSafeInteger);13const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');14const maxSafeInteger = fc.maxSafeInteger;15console.log(maxSafeInteger);16const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');17const maxSafeInteger = fc.maxSafeInteger;18console.log(maxSafeInteger);19const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');20const maxSafeInteger = fc.maxSafeInteger;21console.log(maxSafeInteger);22const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');23const maxSafeInteger = fc.maxSafeInteger;24console.log(maxSafeInteger);25const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');26const maxSafeInteger = fc.maxSafeInteger;27console.log(maxSafeInteger);28const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');29const maxSafeInteger = fc.maxSafeInteger;30console.log(maxSafeInteger);31const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');32const maxSafeInteger = fc.maxSafeInteger;33console.log(maxSafeInteger);34const fc = require('fast-check/lib/check/arbitrary/IntegerArbitrary.js');

Using AI Code Generation

1const { maxSafeInteger } = require('fast-check-monorepo');2const { maxSafeInteger } = require('fast-check');3const { maxSafeInteger } = require('fast-check-monorepo');4const { maxSafeInteger } = require('fast-check');5const { maxSafeInteger } = require('fast-check-monorepo');6const { maxSafeInteger } = require('fast-check');

Using AI Code Generation

1const fc = require('fast-check');2const {maxSafeInteger} = require('fast-check');3const test3 = () => {4  fc.assert(5    fc.property(fc.integer(), (a) => {6      return a >= 0 && a <= maxSafeInteger;7    })8  );9};10test3();11const fc = require('fast-check');12const {maxSafeInteger} = require('fast-check');13const test4 = () => {14  fc.assert(15    fc.property(fc.integer(), (a) => {16      return a >= 0 && a <= maxSafeInteger;17    })18  );19};20test4();21const fc = require('fast-check');22const {maxSafeInteger} = require('fast-check');23const test5 = () => {24  fc.assert(25    fc.property(fc.integer(), (a) => {26      return a >= 0 && a <= maxSafeInteger;27    })28  );29};30test5();31const fc = require('fast-check');32const {maxSafeInteger} = require('fast-check');33const test6 = () => {34  fc.assert(35    fc.property(fc.integer(), (a) => {36      return a >= 0 && a <= maxSafeInteger;37    })38  );39};40test6();41const fc = require('fast-check');42const {maxSafeInteger} = require('fast-check');43const test7 = () => {44  fc.assert(45    fc.property(fc.integer(), (a) => {46      return a >= 0 && a <= maxSafeInteger;47    })48  );49};50test7();51const fc = require('fast-check');52const {maxSafeInteger} = require('fast-check');53const test8 = () => {54  fc.assert(55    fc.property(fc.integer(),

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