Kevin Babbitt
5b6106a6ae
Automatic update from web-platform-tests [css-mixins] Split tests into subdirectories for functions and mixins No changes to the test files other than updating relative paths. WEB_FEATURES.yml files were updated to match all files in respective subdirectories. Bug: 406935599 Change-Id: I864e1ad0bb36a5945fd9945365933b3697d3f764 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/8061706 Reviewed-by: Alison Maher <almaher@microsoft.com> Commit-Queue: Kevin Babbitt <kbabbitt@microsoft.com> Cr-Commit-Position: refs/heads/main@{#1659001} -- wpt-commits: 5f6046734ece0649fa6f3ad2915ea23ba4d3674a wpt-pr: 61166
77 lines
2.3 KiB
HTML
77 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<title>CSS Custom Functions: Invalidation when @function rules change</title>
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<link rel="help" href="https://drafts.csswg.org/css-mixins-1/#cssom">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<!-- This stylesheet will be mutated during testing. -->
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<style id=mutable_style>
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@function --f() {
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result: 10px;
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}
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</style>
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<style>
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#outer {
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width: 42px;
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}
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#target {
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width: --f();
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}
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</style>
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<div id=outer>
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<div>
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<div id=target>
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</div>
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</div>
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<div>
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<script>
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// Adds a cleanup step to recreate `original_element` in-place
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// (with the original text).
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function add_cleanup(t, original_element) {
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let original_text = original_element.textContent;
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t.add_cleanup(() => {
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let new_element = document.createElement('style');
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new_element.setAttribute('id', 'mutable_style');
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new_element.textContent = original_text;
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original_element.parentElement.replaceChild(new_element, original_element);
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});
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}
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test(t => {
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add_cleanup(t, mutable_style);
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let sheet = mutable_style.sheet;
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assert_equals(getComputedStyle(target).width, '10px');
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sheet.insertRule('@function --f() { result: 20px; }', 1);
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assert_equals(getComputedStyle(target).width, '20px');
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}, 'Appending a rule');
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test(t => {
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add_cleanup(t, mutable_style);
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let sheet = mutable_style.sheet;
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assert_equals(getComputedStyle(target).width, '10px');
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sheet.insertRule('@function --f() { result: 20px; }', 0);
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assert_equals(getComputedStyle(target).width, '10px'); // No change.
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}, 'Prepending a rule');
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test(t => {
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add_cleanup(t, mutable_style);
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let sheet = mutable_style.sheet;
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assert_equals(getComputedStyle(target).width, '10px');
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sheet.deleteRule(0);
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assert_equals(getComputedStyle(target).width, '42px');
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}, 'Deleting a rule');
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test(t => {
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add_cleanup(t, mutable_style);
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let sheet = mutable_style.sheet;
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assert_equals(getComputedStyle(target).width, '10px');
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sheet.insertRule('@function --f() { result: 20px; }', 0);
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assert_equals(getComputedStyle(target).width, '10px');
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sheet.deleteRule(1);
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assert_equals(getComputedStyle(target).width, '20px');
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}, 'Prepending a rule, then deleting last');
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</script>
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