Best JavaScript code snippet using wpt
testhelper.js
Source:testhelper.js
1// Compares two CSSStyleValues to check if they're the same type2// and have the same attributes.3function assert_style_value_equals(a, b) {4 if (a == null || b == null) {5 assert_equals(a, b);6 return;7 }8 assert_equals(a.constructor.name, b.constructor.name);9 const className = a.constructor.name;10 switch (className) {11 case 'CSSKeywordValue':12 assert_equals(a.value, b.value);13 break;14 case 'CSSUnitValue':15 assert_approx_equals(a.value, b.value, 1e-6);16 assert_equals(a.unit, b.unit);17 break;18 case 'CSSMathSum':19 case 'CSSMathProduct':20 case 'CSSMathMin':21 case 'CSSMathMax':22 assert_style_value_array_equals(a.values, b.values);23 break;24 case 'CSSMathInvert':25 case 'CSSMathNegate':26 assert_style_value_equals(a.value, b.value);27 break;28 case 'CSSUnparsedValue':29 assert_style_value_array_equals(a, b);30 break;31 case 'CSSVariableReferenceValue':32 assert_equals(a.variable, b.variable);33 assert_style_value_equals(a.fallback, b.fallback);34 break;35 case 'CSSPositionValue':36 assert_style_value_equals(a.x, b.x);37 assert_style_value_equals(a.y, b.y);38 break;39 case 'CSSTransformValue':40 assert_style_value_array_equals(a, b);41 break;42 case 'CSSRotation':43 assert_style_value_equals(a.angle, b.angle);44 // fallthrough45 case 'CSSTranslation':46 case 'CSSScale':47 assert_style_value_equals(a.x, b.x);48 assert_style_value_equals(a.y, b.y);49 assert_style_value_equals(a.z, b.z);50 assert_style_value_equals(a.is2D, b.is2D);51 break;52 case 'CSSSkew':53 assert_style_value_equals(a.ax, b.ax);54 assert_style_value_equals(a.ay, b.ay);55 break;56 case 'CSSPerspective':57 assert_style_value_equals(a.length, b.length);58 break;59 case 'CSSMatrixComponent':60 assert_matrix_approx_equals(a.matrix, b.matrix, 1e-6);61 break;62 case 'CSSURLImageValue':63 assert_equals(a.instrinsicWidth, b.instrinsicWidth);64 assert_equals(a.instrinsicHeight, b.instrinsicHeight);65 assert_equals(a.instrinsicRatio, b.instrinsicRatio);66 assert_equals(a.url, b.url);67 break;68 default:69 assert_equals(a, b);70 break;71 }72}73// Compares two arrays of CSSStyleValues to check if every element is equal74function assert_style_value_array_equals(a, b) {75 assert_equals(a.length, b.length);76 for (let i = 0; i < a.length; i++) {77 assert_style_value_equals(a[i], b[i]);78 }79}80const gValidUnits = [81 'number', 'percent', 'em', 'ex', 'ch',82 'ic', 'rem', 'lh', 'rlh', 'vw',83 'vh', 'vi', 'vb', 'vmin', 'vmax',84 'cm', 'mm', 'Q', 'in', 'pt',85 'pc', 'px', 'deg', 'grad', 'rad',86 'turn', 's', 'ms', 'Hz', 'kHz',87 'dpi', 'dpcm', 'dppx', 'fr',88];89// Creates a new div element with specified inline style |cssText|.90// The created element is deleted during test cleanup.91function createDivWithStyle(test, cssText) {...
Using AI Code Generation
1assert_style_value_equals('div', 'color', 'rgb(255, 0, 0)');2assert_style_value_equals('div', 'color', 'rgba(255, 0, 0, 1)');3assert_style_value_equals('div', 'color', 'hsl(0, 100%, 50%)');4assert_style_value_equals('div', 'color', 'hsla(0, 100%, 50%, 1)');5assert_style_value_equals('div', 'color', 'rgb(255, 0, 0)');6assert_style_value_equals('div', 'color', 'rgba(255, 0, 0, 1)');7assert_style_value_equals('div', 'color', 'hsl(0, 100%, 50%)');8assert_style_value_equals('div', 'color', 'hsla(0, 100%, 50%, 1)');9assert_style_value_equals('div', 'color', 'rgb(255, 0, 0)');10assert_style_value_equals('div', 'color', 'rgba(255, 0, 0, 1)');11assert_style_value_equals('div', 'color', 'hsl(0, 100%, 50%)');12assert_style_value_equals('div', 'color', 'hsla(0, 100%, 50%, 1)');13assert_style_value_equals('div', 'color', 'rgb(255, 0, 0)');14assert_style_value_equals('div', 'color', 'rgba(255, 0, 0, 1)');15assert_style_value_equals('div', 'color', 'hsl(0, 100%, 50%)');16assert_style_value_equals('div', 'color', 'hsla(0, 100%, 50%, 1)');17assert_style_value_equals('div', 'color', 'rgb(255, 0, 0)');18assert_style_value_equals('div', 'color', 'rgba(255, 0, 0, 1)');19assert_style_value_equals('div', 'color',
Using AI Code Generation
1test(function() {2 var style = document.getElementById('style').sheet.cssRules[0].style;3 assert_style_value_equals(style, 'color', 'rgb(255, 0, 0)');4}, 'test style value');5#style {6 color: rgb(255, 0, 0);7}
Using AI Code Generation
1test(function() {2 assert_style_value_equals("color", "red");3}, "Test to check if the color property is set to red");4test(function() {5 assert_style_value_not_equals("color", "red");6}, "Test to check if the color property is not set to red");7test(function() {8 assert_style_value_is("color", "red");9}, "Test to check if the color property is set to red");10test(function() {11 assert_style_value_is_not("color", "red");12}, "Test to check if the color property is not set to red");13test(function() {14 assert_style_value_approx_equals("color", "red", 1);15}, "Test to check if the color property is set to red");16test(function() {17 assert_style_value_approx_not_equals("color", "red", 1);18}, "Test to check if the color property is not set to red");19test(function() {20 assert_style_value_contains("color", "red");21}, "Test to check if the color property is set to red");22test(function() {23 assert_style_value_does_not_contain("color", "red");24}, "Test to check if the color property is not set to red");25test(function() {26 assert_style_value_matches("color", /red/);27}, "Test to check if the color property is set to red");28test(function() {29 assert_style_value_does_not_match("color", /red/);30}, "Test to check if the color property is not set to red");31test(function() {32 assert_style_value_is_computed_value("color", "red");33}, "Test to check if the color property is set to red");
Using AI Code Generation
1var assert_style_value_equals = function(element, property, expected_value) {2 assert_equals(element.style[property], expected_value);3};4 test(function() {5 var element = document.createElement('div');6 element.style.width = '100px';7 assert_style_value_equals(element, 'width', '100px');8 }, 'Test assert_style_value_equals');
Using AI Code Generation
1function test() {2 assert_style_value_equals("div", "color", "red");3}4div {5 color: red;6}
Using AI Code Generation
1test(() => {2 const element = document.getElementById("test");3 assert_style_value_equals(element, "background-color", "rgb(0, 0, 0)");4}, "Test element has black background-color");5 <div id="test" style="background-color: black;"></div>6test(() => {7 const element = document.getElementById("test");8 assert_style_value_equals(element, "background-color", "rgb(0, 0, 0)");9}, "Test element has black background-color");10 <div id="test" style="background-color: black;"></div>11test(() => {12 const element = document.getElementById("test");13 assert_style_value_equals(element, "background-color", "rgb(0, 0, 0)");14}, "Test element has black background-color");15 <div id="test" style="background-color: black;"></div>16test(() => {17 const element = document.getElementById("test");18 assert_style_value_equals(element, "background-color", "rgb(0, 0
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!