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Tests: Import some CSS if() tests

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This commit is contained in:
Callum Law
2026-03-01 23:43:53 +13:00
committed by Sam Atkins
parent 0c847e2560
commit c1add21be2
Notes: github-actions[bot] 2026-03-09 14:38:25 +00:00 
Author: https://github.com/Calme1709
Commit: https://github.com/LadybirdBrowser/ladybird/commit/c1add21be2b
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/8244
Reviewed-by: https://github.com/AtkinsSJ ✅
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Tests/LibWeb/Text/input/wpt-import/css/css-values/random-in-if.tentative.html Normal file
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<!DOCTYPE html>
<title>CSS Values and Units Test: random() in if()</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#random">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../css/support/computed-testcommon.js"></script>
<body>
</body>
<style id="style">
@property --number {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
@property --number2 {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
div {
--random1: random(1, 10);
--random2: random(11, 30);
}
</style>
<script>
// Since actual and expected values are generated randomly, `assert_equals()`
// does not generate deterministic test failure output. Chrome relies on test
// failure output to be deterministic and stable for failing test expectations.
function test_random_equals(actual, expected, message = "Random values should be equal") {
assert_true(actual == expected, message);
}
function test_random_not_equals(actual, expected, message = "Random values should be equal") {
assert_false(actual == expected, message);
}
function test_value_is_not_initial(value) {
assert_false(value == 0);
}
test(() => {
const holder = document.createElement('div');
document.body.appendChild(holder);
try {
const el = document.createElement('div');
el.style.setProperty('--unregistered', 'if(style(random(1, 10) < random(11, 30)): true; else: false;)');
holder.appendChild(el);
const elComputedValue = getComputedStyle(el).getPropertyValue('--unregistered');
assert_equals(elComputedValue, 'false');
} finally {
document.body.removeChild(holder);
}
}, `random() should not be allowed in if() style() condition`);
test(() => {
const holder = document.createElement('div');
document.body.appendChild(holder);
try {
const el = document.createElement('div');
el.style.setProperty('--unregistered', 'if(style(var(--random1) < var(--random2)): true; else: false;)');
holder.appendChild(el);
const elComputedValue = getComputedStyle(el).getPropertyValue('--unregistered');
assert_equals(elComputedValue, 'false');
} finally {
document.body.removeChild(holder);
}
}, `random() in var() should not be allowed in if() style() condition`);
test(() => {
const holder = document.createElement('div');
document.body.appendChild(holder);
try {
const el = document.createElement('div');
el.style.setProperty('--number', 'if(style(--unknown): ; else: random(1, 100000);)');
el.style.setProperty('--number2', 'if(style(--unknown): ; else: random(1, 100000);)');
holder.appendChild(el);
const elComputedValue1 = getComputedStyle(el).getPropertyValue('--number');
const elComputedValue2 = getComputedStyle(el).getPropertyValue('--number2');
test_value_is_not_initial(elComputedValue1);
test_value_is_not_initial(elComputedValue2);
test_random_not_equals(elComputedValue1, elComputedValue2);
} finally {
document.body.removeChild(holder);
}
}, `random() with different property names should not be shared in if() declaration value`);
test(() => {
const holder = document.createElement('div');
document.body.appendChild(holder);
try {
const el1 = document.createElement('div');
el1.style.setProperty('--number', 'if(style(--unknown): ; else: random(element-shared, 1, 100000);)');
holder.appendChild(el1);
const el2 = document.createElement('div');
el2.style.setProperty('--number', 'if(style(--unknown): ; else: random(element-shared, 1, 100000);)');
holder.appendChild(el2);
const elComputedValue1 = getComputedStyle(el1).getPropertyValue('--number');
const elComputedValue2 = getComputedStyle(el2).getPropertyValue('--number');
test_value_is_not_initial(elComputedValue1);
test_value_is_not_initial(elComputedValue2);
test_random_equals(elComputedValue1, elComputedValue2);
} finally {
document.body.removeChild(holder);
}
}, `element-shared random() with same property name on different elements in if() declaration value should be equal`);
</script>