How to use createTest method in istanbul

Best JavaScript code snippet using istanbul

immediate-constant-instead-of-cell.js

Source: immediate-constant-instead-of-cell.js Github

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1description("Test immediate constants where objects are expects. Should not crash.");2tests = [];3function createTest(expr) {4 tests.push(new Function(expr.replace("%value%", "true")));5 tests.push(new Function(expr.replace("%value%", "(-0)")));6 tests.push(new Function(expr.replace("%value%", "(0)")));7 tests.push(new Function(expr.replace("%value%", "(1)")));8 tests.push(new Function(expr.replace("%value%", "null")));9 tests.push(new Function(expr.replace("%value%", "undefined")));10}11num=1;12createTest("%value% instanceof Object");13createTest("Object instanceof %value%");14createTest("%value%.toString");15createTest("'toString' in %value%");16createTest("%value% in Object");17createTest("num << %value%");18createTest("%value% << num");19createTest("num >> %value%");20createTest("%value% >> num");21createTest("num >>> %value%");22createTest("%value% >>> num");23createTest("num ^ %value%");24createTest("%value% ^ num");25createTest("num | %value%");26createTest("%value% | num");27createTest("num & %value%");28createTest("%value% & num");29createTest("num + %value%");30createTest("%value% + num");31createTest("num - %value%");32createTest("%value% - num");33createTest("num * %value%");34createTest("%value% * num");35createTest("num /​ %value%");36createTest("%value% /​ num");37createTest("num % %value%");38createTest("%value% % num");39createTest("num || %value%");40createTest("%value% || num");41createTest("num && %value%");42createTest("%value% && num");43createTest("%value%()");44createTest("%value%.toString()");45createTest("Object[%value%]()");46createTest("for(var i in %value%) { }");47createTest("var o = {a:1, b:2, c:3}; for(var i in o) { o = %value%; o[i]; }");48for (var i = 0; i < tests.length; i++) {49 try { tests[i](); } catch(e) {}...

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Using AI Code Generation

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1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var matchFn = function (file) {5 return !/​node_modules/​.test(file);6};7var check = {8 includes: {9 }10};11var options = {12};13var filterFn = collector.createTest(matchFn, check, options);14collector.add(__coverage__);15reporter.add('text');16reporter.addAll(['text-summary', 'lcov']);17reporter.write(collector, sync, filterFn);

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Using AI Code Generation

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1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var createTest = require('istanbul').createTest;6var test = createTest();7var testFile = 'test.js';8var testCode = 'var assert = require("assert"); describe("Array", function() { describe("#indexOf()", function() { it("should return -1 when the value is not present", function() { assert.equal(-1, [1,2,3].indexOf(4)); }); }); });';9test.addFile(testFile, testCode);10test.run(function(err, result) {11 if (err) {12 console.error(err);13 } else {14 console.log(result);15 }16});17result = {18}19var istanbul = require('istanbul');20var collector = new istanbul.Collector();21var reporter = new istanbul.Reporter();22var sync = false;23var createTest = require('istanbul').createTest;24var test = createTest();25var testFile = 'test.js';26var testCode = 'var assert = require("assert"); describe("Array", function() { describe("#indexOf()", function() { it("should return -1 when the value is not present", function() { assert.equal(-1, [1,2,3].indexOf(4)); }); }); });';27test.addFile(testFile, testCode);28test.run(function(err, result) {29 if (err) {30 console.error(err);31 } else {32 console.log(result);33 }34});35result = {36}

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Using AI Code Generation

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1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4collector.add(__coverage__);5reporter.add('lcov');6reporter.write(collector, sync, function() { console.log('done'); });

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Using AI Code Generation

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1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3collector.add(__coverage__);4var reporter = new istanbul.Reporter();5reporter.add('text-summary');6reporter.addAll(['lcov', 'html']);7reporter.write(collector, sync, function () {8 console.log('All reports generated');9});

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Using AI Code Generation

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1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4collector.add(coverage);5reporter.add('text-summary');6reporter.add('html');7reporter.write(collector, true, function () {8 console.log('All reports generated');9});

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Using AI Code Generation

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1var istanbul = require('istanbul');2var api = istanbul.api;3var test = api.createTest('mocha');4test.addFile('test.js');5test.run(function(error) {6 if (error) {7 console.log(error);8 }9});10var istanbul = require('istanbul');11var api = istanbul.api;12var test = api.createTest('mocha');13test.addFile('test.js');14test.run(function(error) {15 if (error) {16 console.log(error);17 }18});19var istanbul = require('istanbul');20var api = istanbul.api;21var test = api.createTest('mocha');22test.addFile('test.js');23test.run(function(error) {24 if (error) {25 console.log(error);26 }27});28var istanbul = require('istanbul');29var api = istanbul.api;30var test = api.createTest('mocha');31test.addFile('test.js');32test.run(function(error) {33 if (error) {34 console.log(error);35 }36});37var istanbul = require('istanbul');38var api = istanbul.api;39var test = api.createTest('mocha');40test.addFile('test.js');41test.run(function(error) {42 if (error) {43 console.log(error);44 }45});46var istanbul = require('istanbul');47var api = istanbul.api;48var test = api.createTest('mocha

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You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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