mirror of
https://github.com/LadybirdBrowser/ladybird
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118 lines
4.0 KiB
HTML
118 lines
4.0 KiB
HTML
<!DOCTYPE html>
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<title>CSS Values and Units Test: random() in if()</title>
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<link rel="help" href="https://drafts.csswg.org/css-values-5/#random">
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<script src="../../css/support/computed-testcommon.js"></script>
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<body>
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</body>
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<style id="style">
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@property --number {
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syntax: "<number>";
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inherits: true;
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initial-value: 0;
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}
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@property --number2 {
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syntax: "<number>";
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inherits: true;
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initial-value: 0;
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}
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div {
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--random1: random(1, 10);
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--random2: random(11, 30);
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}
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</style>
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<script>
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// Since actual and expected values are generated randomly, `assert_equals()`
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// does not generate deterministic test failure output. Chrome relies on test
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// failure output to be deterministic and stable for failing test expectations.
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function test_random_equals(actual, expected, message = "Random values should be equal") {
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assert_true(actual == expected, message);
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}
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function test_random_not_equals(actual, expected, message = "Random values should be equal") {
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assert_false(actual == expected, message);
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}
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function test_value_is_not_initial(value) {
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assert_false(value == 0);
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}
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test(() => {
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const holder = document.createElement('div');
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document.body.appendChild(holder);
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try {
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const el = document.createElement('div');
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el.style.setProperty('--unregistered', 'if(style(random(1, 10) < random(11, 30)): true; else: false;)');
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holder.appendChild(el);
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const elComputedValue = getComputedStyle(el).getPropertyValue('--unregistered');
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assert_equals(elComputedValue, 'false');
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} finally {
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document.body.removeChild(holder);
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}
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}, `random() should not be allowed in if() style() condition`);
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test(() => {
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const holder = document.createElement('div');
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document.body.appendChild(holder);
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try {
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const el = document.createElement('div');
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el.style.setProperty('--unregistered', 'if(style(var(--random1) < var(--random2)): true; else: false;)');
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holder.appendChild(el);
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const elComputedValue = getComputedStyle(el).getPropertyValue('--unregistered');
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assert_equals(elComputedValue, 'false');
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} finally {
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document.body.removeChild(holder);
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}
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}, `random() in var() should not be allowed in if() style() condition`);
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test(() => {
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const holder = document.createElement('div');
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document.body.appendChild(holder);
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try {
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const el = document.createElement('div');
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el.style.setProperty('--number', 'if(style(--unknown): ; else: random(1, 100000);)');
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el.style.setProperty('--number2', 'if(style(--unknown): ; else: random(1, 100000);)');
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holder.appendChild(el);
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const elComputedValue1 = getComputedStyle(el).getPropertyValue('--number');
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const elComputedValue2 = getComputedStyle(el).getPropertyValue('--number2');
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test_value_is_not_initial(elComputedValue1);
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test_value_is_not_initial(elComputedValue2);
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test_random_not_equals(elComputedValue1, elComputedValue2);
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} finally {
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document.body.removeChild(holder);
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}
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}, `random() with different property names should not be shared in if() declaration value`);
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test(() => {
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const holder = document.createElement('div');
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document.body.appendChild(holder);
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try {
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const el1 = document.createElement('div');
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el1.style.setProperty('--number', 'if(style(--unknown): ; else: random(element-shared, 1, 100000);)');
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holder.appendChild(el1);
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const el2 = document.createElement('div');
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el2.style.setProperty('--number', 'if(style(--unknown): ; else: random(element-shared, 1, 100000);)');
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holder.appendChild(el2);
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const elComputedValue1 = getComputedStyle(el1).getPropertyValue('--number');
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const elComputedValue2 = getComputedStyle(el2).getPropertyValue('--number');
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test_value_is_not_initial(elComputedValue1);
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test_value_is_not_initial(elComputedValue2);
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test_random_equals(elComputedValue1, elComputedValue2);
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} finally {
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document.body.removeChild(holder);
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}
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}, `element-shared random() with same property name on different elements in if() declaration value should be equal`);
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</script> |