Best JavaScript code snippet using jest-extended
adresseTextMatch.js
Source:adresseTextMatch.js  
1"use strict";2var levenshtein = require('./levenshtein');3var util = require('./util');4function isWhitespace(ch) {5  return '., '.indexOf(ch) !== -1;6}7// function printCharlist(charlist) {8//  console.log(charlist.reduce((memo, entry) => {9//    return memo + (entry.uvasket ? entry.uvasket : 'X');10//  }, ''));11//  console.log(charlist.reduce((memo, entry) => {12//    return memo + (entry.vasket ? entry.vasket : 'X');13//  }, ''));14//  console.log(charlist.reduce((memo, entry) => {15//    return memo + entry.op;16//  }, ''));17// }18/**19 * Consumes uvasket letters until a whitespace char is seen.20 * Any corresponding vasket letters is changed to deletes. Inserts are removed from list.21 * @param charlist22 * @returns {*[]}23 */24function consumeUntilWhitespace(charlist) {25  let result = '';26  let resultList = [];27  for(let i = 0; i < charlist.length; ++i) {28    if(charlist[i].uvasket !== null && isWhitespace(charlist[i].uvasket)) {29      resultList = resultList.concat(charlist.slice(i));30      break;31    }32    else if(charlist[i].op === 'I') {33      // drop34      result += charlist[i].uvasket;35    }36    else if(charlist[i].op === 'D') {37      // keep38      resultList.push(charlist[i]);39    }40    else {41      // keep and update becomes delete, because we remove the char from uvasket42      resultList.push({43        op: 'D',44        vasket: charlist[i].vasket,45        uvasket: null46      });47      result += charlist[i].uvasket;48    }49  }50  return [resultList, result, true];51}52function consume(charlist, length, mustEndWithWhitespace, atWhitespace) {53  if(charlist.length === 0 && length === 0) {54    // end of string, we're done55    return [[], '', atWhitespace];56  }57  if(charlist.length === 0) {58    throw new Error('attempted to consume from empty charlist');59  }60  var entry = charlist[0];61  if(entry.op === 'I') {62    if(isWhitespace(entry.uvasket) && length === 0) {63      // we're done64      return [charlist, '', atWhitespace];65    }66    // consume the rest of the token67    let result = consume(charlist.slice(1), length, mustEndWithWhitespace, isWhitespace(entry.uvasket));68    return [result[0], entry.uvasket + result[1], result[2]];69  }70  if(length === 0) {71    if(mustEndWithWhitespace && !atWhitespace) {72      // We need to check that we do not split a token73      return consumeUntilWhitespace(charlist);74    }75    return [charlist, '', atWhitespace];76  }77  if(entry.op === 'K' || entry.op === 'U') {78    let result =  consume(charlist.slice(1), length - 1, mustEndWithWhitespace, isWhitespace(entry.uvasket));79    return [result[0], entry.uvasket + result[1], result[2]];80  }81  if(entry.op === 'D') {82    return consume(charlist.slice(1), length - 1, mustEndWithWhitespace, atWhitespace);83  }84}85function consumeUnknownToken(charlist) {86  if(charlist.length === 0) {87    return [charlist, ''];88  }89  var entry = charlist[0];90  if(isWhitespace(entry.uvasket)) {91    return [charlist, ''];92  }93  if(entry.vasket !== null && !isWhitespace(entry.vasket)) {94    return [charlist, ''];95  }96  var result = consumeUnknownToken(charlist.slice(1));97  return [result[0], entry.uvasket + result[1]];98}99function isUnknownToken(charlist) {100  var firstEntry = charlist[0];101  if(!firstEntry.op === 'I') {102    throw new Error('isUnknown token should only be called with inserted text');103  }104  if(isWhitespace(firstEntry.uvasket)) {105    throw new Error('An unknown token cannot start with whitespace');106  }107  for (let entry of charlist) {108    if(entry.uvasket && isWhitespace(entry.uvasket)) {109      return true;110    }111    if(entry.vasket && !isWhitespace(entry.vasket)) {112      return false;113    }114  }115  return true;116}117function consumeBetween(charlist) {118  if(charlist.length === 0) {119    return [charlist, []];120  }121  var entry = charlist[0];122  if(entry.vasket !== null && !isWhitespace(entry.vasket)) {123    return [charlist, []];124  }125  if(entry.op === 'K') {126    return consumeBetween(charlist.slice(1));127  }128  if(entry.op === 'U' && isWhitespace(entry.uvasket)) {129    // update to a different kind of WS130    return consumeBetween(charlist.slice(1));131  }132  if(entry.op === 'U' && !isWhitespace(entry.uvasket)) {133    // an unknown token134    let  unknownTokenResult = consumeUnknownToken(charlist);135    let result = consumeBetween(unknownTokenResult[0]);136    return [result[0], [unknownTokenResult[1]].concat(result[1])]137  }138  if(entry.op === 'D') {139    return consumeBetween(charlist.slice(1));140  }141  if(entry.op === 'I' && isWhitespace(entry.uvasket)) {142     return consumeBetween(charlist.slice(1));143  }144  if(entry.op === 'I' && !isWhitespace(entry.uvasket)) {145    if(isUnknownToken(charlist)) {146      let  unknownTokenResult = consumeUnknownToken(charlist);147      let result = consumeBetween(unknownTokenResult[0]);148      return [result[0], [unknownTokenResult[1]].concat(result[1])]149    }150    return [charlist, [], true];151  }152  throw new Error(`unexpected for consumeBetween: ${JSON.stringify(entry)}`);153}154 function mapOps(uvasketAdrText, vasketAdrText,ops) {155   var uvasketIdx = 0;156   var vasketIdx = 0;157   return ops.map((entry) => {158     let op = entry.op;...extractors.js
Source:extractors.js  
1var Splitter = require('./splitter');2var SourceMaps = require('../utils/source-maps');3var Extractors = {4  properties: function (string, context) {5    var tokenized = [];6    var list = [];7    var buffer = [];8    var all = [];9    var property;10    var isPropertyEnd;11    var isWhitespace;12    var wasWhitespace;13    var isSpecial;14    var wasSpecial;15    var current;16    var last;17    var secondToLast;18    var wasCloseParenthesis;19    var isEscape;20    var token;21    var addSourceMap = context.addSourceMap;22    for (var i = 0, l = string.length; i < l; i++) {23      current = string[i];24      isPropertyEnd = current === ';';25      isEscape = !isPropertyEnd && current == '_' && string.indexOf('__ESCAPED_COMMENT', i) === i;26      if (isEscape) {27        if (buffer.length > 0) {28          i--;29          isPropertyEnd = true;30        } else {31          var endOfEscape = string.indexOf('__', i + 1) + 2;32          var comment = string.substring(i, endOfEscape);33          i = endOfEscape - 1;34          if (comment.indexOf('__ESCAPED_COMMENT_SPECIAL') === -1) {35            if (addSourceMap)36              SourceMaps.track(comment, context, true);37            continue;38          }39          else {40            buffer = all = [comment];41          }42        }43      }44      if (isPropertyEnd || isEscape) {45        if (wasWhitespace && buffer[buffer.length - 1] === ' ')46          buffer.pop();47        if (buffer.length > 0) {48          property = buffer.join('');49          token = { value: property };50          tokenized.push(token);51          list.push(property);52          if (addSourceMap)53            token.metadata = SourceMaps.saveAndTrack(all.join(''), context, !isEscape);54        }55        buffer = [];56        all = [];57      } else {58        isWhitespace = current === ' ' || current === '\t' || current === '\n';59        isSpecial = current === ':' || current === '[' || current === ']' || current === ',' || current === '(' || current === ')';60        if (wasWhitespace && isSpecial) {61          last = buffer[buffer.length - 1];62          secondToLast = buffer[buffer.length - 2];63          if (secondToLast != '+' && secondToLast != '-' && secondToLast != '/' && secondToLast != '*' && last != '(')64            buffer.pop();65          buffer.push(current);66        } else if (isWhitespace && wasSpecial && !wasCloseParenthesis) {67        } else if (isWhitespace && !wasWhitespace && buffer.length > 0) {68          buffer.push(' ');69        } else if (isWhitespace && buffer.length === 0) {70        } else if (isWhitespace && wasWhitespace) {71        } else {72          buffer.push(isWhitespace ? ' ' : current);73        }74        all.push(current);75      }76      wasSpecial = isSpecial;77      wasWhitespace = isWhitespace;78      wasCloseParenthesis = current === ')';79    }80    if (wasWhitespace && buffer[buffer.length - 1] === ' ')81      buffer.pop();82    if (buffer.length > 0) {83      property = buffer.join('');84      token = { value: property };85      tokenized.push(token);86      list.push(property);87      if (addSourceMap)88        token.metadata = SourceMaps.saveAndTrack(all.join(''), context, false);89    } else if (all.indexOf('\n') > -1) {90      SourceMaps.track(all.join(''), context);91    }92    return {93      list: list,94      tokenized: tokenized95    };96  },97  selectors: function (string, context) {98    var tokenized = [];99    var list = [];100    var selectors = new Splitter(',').split(string);101    var addSourceMap = context.addSourceMap;102    for (var i = 0, l = selectors.length; i < l; i++) {103      var selector = selectors[i];104      list.push(selector);105      var token = { value: selector };106      tokenized.push(token);107      if (addSourceMap)108        token.metadata = SourceMaps.saveAndTrack(selector, context, true);109    }110    return {111      list: list,112      tokenized: tokenized113    };114  }115};...parser.js
Source:parser.js  
1const toString = require("mdast-util-to-string");2const isWhiteSpace = (c) => {3  return c === " " || c === "\n";4};5class Parser {6  constructor(node) {7    this.pointer = 0;8    this.node = node;9    this.chars = toString(node);10  }11  next = () => {12    this.pointer++;13  };14  peek = () => {15    if (this.pointer < this.chars.length) {16      return this.chars[this.pointer];17    }18  };19  consume = () => {20    if (this.pointer < this.chars.length) {21      return this.chars[this.pointer++];22    }23  };24  consume_while = (func) => {25    let result = "";26    const f = (c) => c && func(c);27    while (f(this.peek())) result += this.consume();28    return result;29  };30  parse = (condition) => {31    if (this.node.lang === "draw") {32      const ast = [];33      while (this.peek()) {34        this.consume_while(isWhiteSpace);35        if (this.peek() === "<") {36          this.next();37          if (this.peek() === "/") {38            this.next();39            const name = this.consume_while(40              (c) => !isWhiteSpace(c) && c !== ">"41            );42            if (name !== condition) {43              throw new Error(44                "Invalid closing identifier: " +45                  name +46                  " expected: " +47                  condition48              );49            }50            this.next();51            return ast;52          }53          const name = this.consume_while((c) => !isWhiteSpace(c) && c !== ">");54          const attrMap = {};55          while (56            this.pointer < this.chars.length &&57            this.peek() !== ">" &&58            this.peek() !== "/"59          ) {60            this.consume_while(isWhiteSpace);61            const ident = this.consume_while((c) => c !== "=");62            this.next();63            let value;64            if (this.peek() === '"') {65              this.next();66              value = this.consume_while((c) => c !== '"');67              this.next();68            } else {69              value = this.consume_while(70                (c) => !isWhiteSpace(c) && c !== "/" && c !== ">"71              );72            }73            this.consume_while(isWhiteSpace);74            attrMap[ident] = value;75          }76          if (this.peek() === "/") {77            this.next();78            this.consume_while(isWhiteSpace);79            this.next();80          } else {81            this.next();82            const children = this.parse(name);83            attrMap["children"] = children;84          }85          ast.push({ type: name, ...attrMap });86        } else {87          const text = this.consume_while((c) => !isWhiteSpace(c) && c !== "<");88          ast.push({ type: "string", value: text });89        }90      }91      return ast;92    }93  };94}95module.exports = {96  Parser,...shop.js
Source:shop.js  
1function goodsadd()2{3    4    if(isWhitespace(document.form1.name.value))5     {6     	alert("ÇëÊäÈëÉÌÆ·Ãû³Æ£¡");7     	document.form1.name.focus();8     	return false;9     }  10    if(document.form1.parentid.value=='all')11     {12     	13         alert("ÇëÑ¡ÔñÌí¼ÓÉÌÆ·µÄ´óÀà");	14         document.form1.parentid.focus();15         return false;16     }	17     18    if(document.form1.catalog_id.value=='all')19     {20         alert("ÇëÑ¡ÔñÌí¼ÓÉÌÆ·µÄ×ÓÀà");	21         document.form1.catalog_id.focus();22         return false;23     }	    24    25     if(isWhitespace(document.form1.manufacturer.value))26     {27     	alert("ÇëÊäÈë³§ÉÌÃû³Æ£¡");28     	document.form1.manufacturer.focus();29     	return false;30     }    31  32    if(isWhitespace(document.form1.market_price.value))33     {34     	alert("ÇëÊäÈëÊг¡¼Û¸ñ£¡");35     	document.form1.market_price.focus();36     	return false;37     }38     39    if(isWhitespace(document.form1.price.value))40     {41     	alert("ÇëÊäÈë·Ç»áÔ±¼Û¸ñ£¡");42     	document.form1.price.focus();43     	return false;44     }  45     46    if(isWhitespace(document.form1.member_price.value))47     {48     	alert("ÇëÊäÈë»áÔ±¼Û¸ñ£¡");49     	document.form1.member_price.focus();50     	return false;51     }                   52    if(isWhitespace(document.form1.cost_price.value))53     {54     	alert("ÇëÊäÈë³É±¾¼Û¸ñ£¡");55     	document.form1.cost_price.focus();56     	return false;57     }           58     59    if(isWhitespace(document.form1.keywords.value))60     {61     	alert("ÇëÊäÈëÉÌÆ·¹Ø¼ü×Ö£¡");62     	document.form1.keywords.focus();63     	return false;64     }    65     66    if(isWhitespace(document.form1.brief.value))67     {68     	alert("ÇëÊäÈë¼ò¶Ì½éÉÜ£¡");69     	document.form1.brief.focus();70     	return false;71     }          72    if(isWhitespace(document.form1.product_intr.value))73     {74     	alert("ÇëÊäÈë²úÆ·µÄÏêϸ½éÉÜ£¡");75     	document.form1.product_intr.focus();76     	return false;77     }      78    79    return true;     	80    81}82function recommand()83{84	85    if(document.form1.parentid.value=='all')86     {     	...isWhiteSpace.js
Source:isWhiteSpace.js  
1describe('isWhiteSpace (defaultTesting.exports.simpleDOM.parse.microhelpers)', function () {2    var simpleDOMNodes = require('simple-dom-parser');3    var parseExports = require('default-testing').exports.simpleDOM.parse;4    var isWhiteSpace = parseExports.microehelpers.isWhiteSpace;5    it('was exported', function () {6        expect(isWhiteSpace).toBeDefined();7    });8    it('letters is incorrect', function () {9        expect(isWhiteSpace('A')).toBeFalsy();10        expect(isWhiteSpace('Z')).toBeFalsy();11        expect(isWhiteSpace('a')).toBeFalsy();12        expect(isWhiteSpace('z')).toBeFalsy();13        expect(isWhiteSpace('F')).toBeFalsy();14        expect(isWhiteSpace('f')).toBeFalsy();15    });16    it('symbols is incorrect', function () {17        expect(isWhiteSpace(',')).toBeFalsy();18        expect(isWhiteSpace('>')).toBeFalsy();19        expect(isWhiteSpace('!')).toBeFalsy();20        expect(isWhiteSpace('-')).toBeFalsy();21        expect(isWhiteSpace('_')).toBeFalsy();22        expect(isWhiteSpace('(')).toBeFalsy();23        expect(isWhiteSpace('}')).toBeFalsy();24    });25    it('numbers is incorrect', function () {26        expect(isWhiteSpace('1')).toBeFalsy();27        expect(isWhiteSpace('3')).toBeFalsy();28        expect(isWhiteSpace('6')).toBeFalsy();29        expect(isWhiteSpace('0')).toBeFalsy();30    });31    it('\' \' is correct', function () {32        expect(isWhiteSpace(' ')).toBeTruthy();33    });34    it('\'\\n\' is correct', function () {35        expect(isWhiteSpace('\n')).toBeTruthy();36    });37    it('\'\\t\' is correct', function () {38        expect(isWhiteSpace('\t')).toBeTruthy();39    });40    it('\'\\r\' is correct', function () {41        expect(isWhiteSpace('\r')).toBeTruthy();42    });43    it('\'\\f\' is correct', function () {44        expect(isWhiteSpace('\f')).toBeTruthy();45    });...nehan.token.js
Source:nehan.token.js  
1describe("Token", function(){2  it("Token.isText", function(){3    expect(Nehan.Token.isText(new Nehan.Char({data:"a"}))).toBe(true);4    expect(Nehan.Token.isText(new Nehan.Word({data:"foo"}))).toBe(true);5    expect(Nehan.Token.isText(new Nehan.Tcy("01"))).toBe(true);6    expect(Nehan.Token.isText(new Nehan.Ruby([], ""))).toBe(true);7  });8  it("Token.isEmphaTargetable", function(){9    expect(Nehan.Token.isEmphaTargetable(new Nehan.Char({data:"a"}))).toBe(true);10    expect(Nehan.Token.isEmphaTargetable(new Nehan.Word({data:"foo"}))).toBe(false); // in current state, word can't contain ruby.11    expect(Nehan.Token.isEmphaTargetable(new Nehan.Tcy("01"))).toBe(true);12    expect(Nehan.Token.isEmphaTargetable(new Nehan.Ruby([], ""))).toBe(false);13  });14  it("Token.isNewLine", function(){15    expect(Nehan.Token.isNewLine(new Nehan.Char({data:"\n"}))).toBe(true);16    expect(Nehan.Token.isNewLine(new Nehan.Char({data:"a"}))).toBe(false);17    expect(Nehan.Token.isNewLine(new Nehan.Word("foo"))).toBe(false);18  });19  it("Token.isWhiteSpace", function(){20    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({data:"\n"}))).toBe(true);21    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({data:"\t"}))).toBe(true);22    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({data:" "}))).toBe(true);23    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({ref:" "}))).toBe(true);24    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({ref:" "}))).toBe(true);25    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({ref:" "}))).toBe(true);26    expect(Nehan.Token.isWhiteSpace(new Nehan.Char({ref:" "}))).toBe(true);27    expect(Nehan.Token.isWhiteSpace(new Nehan.Word("foo"))).toBe(false);28  });...test.js
Source:test.js  
...13  return fs.readFileSync('test/fixtures/' + name, 'utf8');14}15describe('when non-whitespace exists:', function () {16  it('should return false.', function () {17    assert(!isWhitespace('foo'));18  });19  it('should return false.', function () {20    assert(!isWhitespace(read('text.txt')));21  });22});23describe('when non-whitespace exists:', function () {24  it('should return true for spaces', function () {25    assert(isWhitespace('         '));26  });27  it('should return true for spaces', function () {28    assert(isWhitespace(read('spaces.txt')));29  });30  it('should return true for tabs', function () {31    assert(isWhitespace(read('tabs.txt')));32  });33  it('should return true for newlines and spaces', function () {34    assert(isWhitespace(read('multiline.txt')));35  });36  it('should return true for varied spaces, newlines, and tabs', function () {37    assert(isWhitespace(read('varied.txt')));38  });39});40describe('ES5-compliant whitespace', function () {41  it('should be true for all expected whitespace values', function () {42    assert(isWhitespace("\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF"));43  });44  it('should not be true for the zero-width space', function () {45    assert(!isWhitespace('\u200b'));46  });...isWhiteSpace.test.js
Source:isWhiteSpace.test.js  
1import { isWhiteSpace } from "../isWhiteSpace"2test("isWhiteSpace", () => {3	expect(isWhiteSpace("")).toBe(false)4	expect(isWhiteSpace("\u0009")).toBe(true) // \t5	expect(isWhiteSpace("\u0020")).toBe(true) // \n6	expect(isWhiteSpace("\u00A0")).toBe(true) // \s -- space7	expect(isWhiteSpace("\u1680")).toBe(true)8	expect(isWhiteSpace("\u180E")).toBe(true)9	expect(isWhiteSpace("\u2000")).toBe(true)10	expect(isWhiteSpace("\u2001")).toBe(true)11	expect(isWhiteSpace("\u2002")).toBe(true)12	expect(isWhiteSpace("\u2003")).toBe(true)13	expect(isWhiteSpace("\u2004")).toBe(true)14	expect(isWhiteSpace("\u2005")).toBe(true)15	expect(isWhiteSpace("\u2006")).toBe(true)16	expect(isWhiteSpace("\u2007")).toBe(true)17	expect(isWhiteSpace("\u2008")).toBe(true)18	expect(isWhiteSpace("\u2009")).toBe(true)19	expect(isWhiteSpace("\u200A")).toBe(true)20	expect(isWhiteSpace("\u202F")).toBe(true)21	expect(isWhiteSpace("\u205F")).toBe(true)22	expect(isWhiteSpace("\u3000")).toBe(true)23	expect(isWhiteSpace("\u000A")).toBe(true)24	expect(isWhiteSpace("\u000B")).toBe(true)25	expect(isWhiteSpace("\u000C")).toBe(true)26	expect(isWhiteSpace("\u000D")).toBe(true)27	expect(isWhiteSpace("\u0085")).toBe(true)28	expect(isWhiteSpace("\u2028")).toBe(true)29	expect(isWhiteSpace("\u2029")).toBe(true)...Using AI Code Generation
1const { isWhitespace } = require('jest-extended');2test('isWhitespace', () => {3  expect(isWhitespace('')).toBeTrue();4  expect(isWhitespace(' ')).toBeTrue();5  expect(isWhitespace('  ')).toBeTrue();6  expect(isWhitespace('7')).toBeTrue();8  expect(isWhitespace(' \t')).toBeTrue();9  expect(isWhitespace('foo')).toBeFalse();10  expect(isWhitespace(' foo')).toBeFalse();11  expect(isWhitespace('foo ')).toBeFalse();12  expect(isWhitespace('foo bar')).toBeFalse();13  expect(isWhitespace('foo14bar')).toBeFalse();15  expect(isWhitespace('foo\tbar')).toBeFalse();16  expect(isWhitespace('foo bar ')).toBeFalse();17  expect(isWhitespace(' foo bar')).toBeFalse();18  expect(isWhitespace('19')).toBeFalse();20});21const { isWithin } = require('jest-extended');22test('isWithin', () => {23  expect(isWithin(1, 1, 2)).toBeTrue();24  expect(isWithin(2, 1, 2)).toBeTrue();25  expect(isWithin(2, 2, 2)).toBeTrue();26  expect(isWithin(1.5, 1, 2)).toBeTrue();27  expect(isWithin(1.5, 1.5, 2)).toBeTrue();28  expect(isWithin(2, 1.5, 2)).toBeTrue();29  expect(isWithin(2, 1, 2.5)).toBeTrue();30  expect(isWithin(2.5, 1, 2.5)).toBeTrue();31  expect(isWithin(2.5, 1.5, 2.5)).toBeTrue();32  expect(isWithin(2.5, 1.5, 2.75)).toBeTrue();33  expect(isWithin(2.75, 1.5, 2.75)).toBeTrue();34  expect(isWithin(1, 1.5, 2)).toBeFalse();35  expect(isWithin(2, 1.5, 1)).toBeFalse();36  expect(isWithin(1.5, 2, 1)).toBeFalse();37  expect(isWithin(1.5, 1, 1.5)).toBeFalse();38  expect(isWithinUsing AI Code Generation
1const { isWhitespace } = require('jest-extended');2test('isWhitespace', () => {3  expect(isWhitespace(' ')).toBeTrue();4  expect(isWhitespace('5')).toBeTrue();6  expect(isWhitespace('\t')).toBeTrue();7  expect(isWhitespace('8\t ')).toBeTrue();9  expect(isWhitespace('10\t a')).toBeFalse();11});12const chai = require('chai');13const { expect } = chai;14test('isWhitespace', () => {15  expect(' ').to.be.a('string');16  expect(' ').to.be.a('string').that.is.empty;17  expect('18').to.be.a('string');19  expect('20').to.be.a('string').that.is.empty;21  expect('\t').to.be.a('string');22  expect('\t').to.be.a('string').that.is.empty;23  expect('24\t ').to.be.a('string');25  expect('26\t ').to.be.a('string').that.is.empty;27  expect('28\t a').to.be.a('string');29  expect('30\t a').to.be.a('string').that.is.not.empty;31});32const chai = require('chai');33const chaiExtended = require('chai-extended');34const { expect } = chai;35chai.use(chaiExtended);36test('isWhitespace', () => {37  expect(' ').to.be.a.string();38  expect(' ').to.be.a.string().that.is.empty;39  expect('40').to.be.a.string();41  expect('42').to.be.a.string().that.is.empty;43  expect('\t').to.be.a.string();44  expect('\t').to.be.a.string().that.is.empty;45  expect('46\t ').to.be.a.string();47  expect('48\t ').to.be.a.string().that.is.empty;49  expect('50\t a').to.be.a.string();51  expect('52\t a').to.be.a.string().that.is.not.empty;53});54const chai = require('chai');55const chaiString = require('chai-string');56const { expect } = chai;57chai.use(chaiString);58test('isWhitespace', () => {59  expect(' ').to.be.a.string();60  expect(' ').toUsing AI Code Generation
1import { isWhitespace } from 'jest-extended';2test('isWhitespace', () => {3    expect(isWhitespace(' ')).toBeTruthy();4    expect(isWhitespace('5')).toBeTruthy();6    expect(isWhitespace('\t')).toBeTruthy();7    expect(isWhitespace('\r')).toBeTruthy();8    expect(isWhitespace('9\r\t ')).toBeTruthy();10    expect(isWhitespace('11\r\t a')).toBeFalsy();12});13import { isWhitespace } from 'jest-extended';14test('isWhitespace', () => {15    expect(isWhitespace(' ')).toBeTruthy();16    expect(isWhitespace('17')).toBeTruthy();18    expect(isWhitespace('\t')).toBeTruthy();19    expect(isWhitespace('\r')).toBeTruthy();20    expect(isWhitespace('21\r\t ')).toBeTruthy();22    expect(isWhitespace('23\r\t a')).toBeFalsy();24});25import { isWhitespace } from 'jest-extended';26test('isWhitespace', () => {27    expect(isWhitespace(' ')).toBeTruthy();28    expect(isWhitespace('29')).toBeTruthy();30    expect(isWhitespace('\t')).toBeTruthy();31    expect(isWhitespace('\r')).toBeTruthy();32    expect(isWhitespace('33\r\t ')).toBeTruthy();34    expect(isWhitespace('35\r\t a')).toBeFalsy();36});37import { isWhitespace } from 'jest-extended';38test('isWhitespace', () => {39    expect(isWhitespace(' ')).toBeTruthy();40    expect(isWhitespace('41')).toBeTruthy();42    expect(isWhitespace('\t')).toBeTruthy();43    expect(isWhitespace('\r')).toBeTruthy();44    expect(isWhitespace('45\r\t ')).toBeTruthy();46    expect(isWhitespace('47\r\t a')).toBeFalsy();48});49import { isWhitespace } from 'jest-extended';50test('isWhitespace', () => {51    expect(isWhitespace(' ')).toBeTruthy();52    expect(isWhitespace('53')).toBeTruthy();54    expect(isWhitespace('\t')).toBeTruthy();55    expect(isWhitespace('\r')).toBeTruthy();56    expect(isWhitespace('57\r\t ')).toBeTruthy();58    expect(isWhitespace('59\r\t a')).toBeFalsy();60});61import { isWhitespace } from 'jest-Using AI Code Generation
1const { isWhitespace } = require('jest-extended');2test('isWhitespace', () => {3    expect(isWhitespace(' ')).toBeTruthy();4    expect(isWhitespace('5')).toBeTruthy();6    expect(isWhitespace(' ')).not.toBeFalsy();7    expect(isWhitespace('8')).not.toBeFalsy();9    expect(isWhitespace(' ')).not.toBeUndefined();10    expect(isWhitespace('11')).not.toBeUndefined();12    expect(isWhitespace(' ')).not.toBeNull();13    expect(isWhitespace('14')).not.toBeNull();15    expect(isWhitespace(' ')).not.toBeNaN();16    expect(isWhitespace('17')).not.toBeNaN();18    expect(isWhitespace(' ')).not.toBe(0);19    expect(isWhitespace('20')).not.toBe(0);21    expect(isWhitespace(' ')).not.toBe('');22    expect(isWhitespace('23')).not.toBe('');24    expect(isWhitespace(' ')).not.toBe(false);25    expect(isWhitespace('26')).not.toBe(false);27    expect(isWhitespace(' ')).not.toBe(true);28    expect(isWhitespace('29')).not.toBe(true);30    expect(isWhitespace(' ')).not.toBe({});31    expect(isWhitespace('32')).not.toBe({});33    expect(isWhitespace(' ')).not.toBe([]);34    expect(isWhitespace('35')).not.toBe([]);36    expect(isWhitespace(' ')).not.toContain(' ');37    expect(isWhitespace('38')).not.toContain('39');40    expect(isWhitespace(' ')).not.toContain('41');42    expect(isWhitespace('43')).not.toContain(' ');44    expect(isWhitespace(' ')).not.toContain('');45    expect(isWhitespace('46')).not.toContain('');47    expect(isWhitespace(' ')).not.toContain(0);48    expect(isWhitespace('49')).not.toContain(0);50    expect(isWhitespace(' ')).not.toContain({});51    expect(isWhitespace('52')).not.toContain({});53    expect(isWhitespace(' ')).not.toContain([]);54    expect(isWhitespace('55')).not.toContain([]);56    expect(isWhitespace(' ')).not.toEqual(' ');57    expect(isWhitespace('58')).not.toEqual('59');60    expect(isWhitespace(' ')).not.toEqual('61');62    expect(isWhitespace('63')).not.toEqual(' ');64    expect(isWhitespace(' ')).not.toEqual('');65    expect(isWhitespace('66')).not.toEqual('');67    expect(isWhitespace(' ')).not.toEqual(0);68    expect(isWhitespace('69')).not.toEqual(0);70    expect(isWhitespace('Using AI Code Generation
1const isWhitespace = require('jest-extended').isWhitespace;2test('isWhitespace method of jest-extended', () => {3  expect(isWhitespace(' ')).toBe(true);4  expect(isWhitespace('5')).toBe(true);6  expect(isWhitespace('\t')).toBe(true);7  expect(isWhitespace(' a')).toBe(false);8  expect(isWhitespace('a ')).toBe(false);9  expect(isWhitespace('a')).toBe(false);10  expect(isWhitespace('')).toBe(false);11});12const isWithinRange = require('jest-extended').isWithinRange;13test('isWithinRange method of jest-extended', () => {14  expect(isWithinRange(3, 2, 4)).toBe(true);15  expect(isWithinRange(4, 2, 4)).toBe(true);16  expect(isWithinRange(2, 2, 4)).toBe(true);17  expect(isWithinRange(1, 2, 4)).toBe(false);18  expect(isWithinRange(5, 2, 4)).toBe(false);19});20const isXML = require('jest-extended').isXML;21test('isXML method of jest-extended', () => {22  expect(isXML('<xml></xml>')).toBe(true);23  expect(isXML('<xml><xml>')).toBe(false);24  expect(isXML('<xml></xml>')).toBe(true);25  expect(isXML('<xml><xml>')).toBe(false);26});27const last = require('jest-extended').last;28test('last method of jest-extended', () => {29  expect(last([1, 2, 3])).toBe(3);30  expect(last([])).toBeUndefined();31  expect(last(['a', 'b', 'c'])).toBe('c');32});33const longestCommonPrefix = require('jest-extended').longestCommonPrefix;34test('longestCommonPrefix method of jest-extended', () => {35  expect(longestCommonPrefix(['flower','flow','flight'])).toBe('fl');36  expect(longestCommonPrefix(['dog','racecar','car'])).toBe('');37  expect(longestUsing AI Code Generation
1const isWhitespace = require('jest-extended').isWhitespace;2test('checks if the string is whitespace', () => {3  expect(isWhitespace(' ')).toBe(true);4  expect(isWhitespace('5')).toBe(true);6  expect(isWhitespace('\t')).toBe(true);7  expect(isWhitespace('\v')).toBe(true);8  expect(isWhitespace('\f')).toBe(true);9  expect(isWhitespace('\r')).toBe(true);10  expect(isWhitespace(' \t11\v\f\r')).toBe(true);12  expect(isWhitespace('')).toBe(false);13  expect(isWhitespace('a')).toBe(false);14  expect(isWhitespace('a ')).toBe(false);15  expect(isWhitespace(' a')).toBe(false);16  expect(isWhitespace('a\t')).toBe(false);17  expect(isWhitespace('\ta')).toBe(false);18  expect(isWhitespace('a19')).toBe(false);20  expect(isWhitespace('21a')).toBe(false);22  expect(isWhitespace('a\v')).toBe(false);23  expect(isWhitespace('\va')).toBe(false);24  expect(isWhitespace('a\f')).toBe(false);25  expect(isWhitespace('\fa')).toBe(false);26  expect(isWhitespace('a\r')).toBe(false);27  expect(isWhitespace('\ra')).toBe(false);28  expect(isWhitespace('a\tb')).toBe(false);29  expect(isWhitespace('a30b')).toBe(false);31  expect(isWhitespace('a\vb')).toBe(false);32  expect(isWhitespace('a\fb')).toBe(false);33  expect(isWhitespace('a\rb')).toBe(false);34  expect(isWhitespace('a b')).toBe(false);35  expect(isWhitespace('a b ')).toBe(false);36  expect(isWhitespace(' a b')).toBe(false);37  expect(isWhitespace('a b\t')).toBe(false);38  expect(isWhitespace('\ta b')).toBe(false);39  expect(isWhitespace('a b40')).toBe(false);41  expect(isWhitespace('42a b')).toBe(false);43  expect(isWhitespace('a b\v')).toBe(false);44  expect(isWhitespace('\va b')).toBe(false);45  expect(isWhitespace('a b\f')).toBe(false);46  expect(isWhitespace('\fa b')).toBe(false);47  expect(isWhitespace('a b\r')).toBe(false);48  expect(isWhitespace('\ra b')).toBe(false);49  expect(isWhitespace('a\tb')).toBe(false);50  expect(isWhitespace('a51b')).toBe(false);52  expect(isWhitespace('a\vb')).toBe(false);53  expect(isWhitespace('a\Using AI Code Generation
1const { isWhitespace } = require('jest-extended');2expect(isWhitespace(' ')).toBe(true);3expect(isWhitespace('4')).toBe(true);5expect(isWhitespace(' \t')).toBe(true);6expect(isWhitespace('')).toBe(false);7expect(isWhitespace('a')).toBe(false);8expect(isWhitespace('a ')).toBe(false);9const { isWhitespace } = require('jest-extended');10expect(isWhitespace(' ')).toBe(true);11expect(isWhitespace('12')).toBe(true);13expect(isWhitespace(' \t')).toBe(true);14expect(isWhitespace('')).toBe(false);15expect(isWhitespace('a')).toBe(false);16expect(isWhitespace('a ')).toBe(false);17const { isWhitespace } = require('jest-extended');18expect(isWhitespace(' ')).toBe(true);19expect(isWhitespace('20')).toBe(true);21expect(isWhitespace(' \t')).toBe(true);22expect(isWhitespace('')).toBe(false);23expect(isWhitespace('a')).toBe(false);24expect(isWhitespace('a ')).toBe(false);25const { isWhitespace } = require('jest-extended');26expect(isWhitespace(' ')).toBe(true);27expect(isWhitespace('28')).toBe(true);29expect(isWhitespace(' \t')).toBe(true);30expect(isWhitespace('')).toBe(false);31expect(isWhitespace('a')).toBe(false);32expect(isWhitespace('a ')).toBe(false);33const { isWhitespace } = require('jest-extended');34expect(isWhitespace(' ')).toBe(true);35expect(isWhitespace('36')).toBe(true);37expect(isWhitespace(' \t')).toBe(true);38expect(isWhitespace('')).toBe(false);39expect(isWhitespace('a')).toBe(false);40expect(isWhitespace('a ')).toBe(false);41const { isWhitespace } = require('jest-extended');42expect(isWhitespace(' ')).toBe(true);43expect(isWhitespace('44')).toBe(true);45expect(isWhitespace(' \t')).toBe(true);46expect(isWhitespace('')).toBe(false);47expect(isWhitespace('a')).toBe(false);48expect(isWhitespace('a ')).toBe(false);Using AI Code Generation
1const { isWhitespace } = require('jest-extended');2const str = ' ';3console.log(isWhitespace(str));4const { isWhitespace } = require('jest-extended');5const str = ' ';6console.log(isWhitespace(str));7const { isWhitespace } = require('jest-extended');8const str = ' ';9console.log(isWhitespace(str));10const { isWhitespace } = require('jest-extended');11const str = ' ';12console.log(isWhitespace(str));13const { isWhitespace } = require('jest-extended');14const str = ' ';15console.log(isWhitespace(str));16const { isWhitespace } = require('jest-extended');17const str = ' ';18console.log(isWhitespace(str));19const { isWhitespace } = require('jest-extended');20const str = ' ';21console.log(isWhitespace(str));22const { isWhitespace } = require('jest-extended');23const str = ' ';24console.log(isWhitespace(str));25const { isWhitespace } = require('jest-extended');26const str = ' ';27console.log(isWhitespace(str));28const { isWhitespace } = require('jest-extended');29const str = ' ';30console.log(isWhitespace(str));31const { isWhitespace } = require('jest-extended');32const str = ' ';33console.log(isWhitespace(str));Using AI Code Generation
1const { isWhitespace } = require('jest-extended');2expect(' ').toEqual(expect.toBeWhitespace());3const chai = require('chai');4chai.use(require('chai-spaces'));5chai.expect(' ').to.be.whitespace;6const should = require('should');7should(' ').be.whitespace();8const { expect } = require('chai');9expect(' ').to.be.whitespace;10const assert = require('assert');11assert.isWhitespace(' ', 'isWhitespace(\' \')');12const expect = require('expect');13expect(' ').toBeWhitespace();14const assert = require('assert');15assert.strictEqual(isWhitespace(' '), true);16const assert = require('assert');17assert.equal(isWhitespace(' '), true);18const assert = require('assert');19assert(isWhitespace(' '));20const expect = require('expect.js');21expect(' ').to.be.whitespace();22const should = require('should');23should(' ').be.whitespace();24const expect = require('expect.js');25expect(' ').to.be.whitespace();26const assert = require('assert');27assert.equal(isWhitespace(' '), true);28const expect = require('expect.js');29expect(' ').to.be.whitespace();30const assert = require('assert');31assert.equal(isWhitespace(' '), true);32const expect = require('expect.js');33expect(' ').to.be.whitespace();Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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