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106 lines
2.8 KiB
HTML
106 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<title>Verify that the correct registration is selected for mutated stylesheets</title>
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<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1/#determining-registration">
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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="./resources/utils.js"></script>
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<div id=div></div>
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<script>
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test(() => {
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with_at_property({
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syntax: '"<length>"',
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inherits: false,
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initialValue: '1px'
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}, (name) => {
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assert_equals(getComputedStyle(div).getPropertyValue(name), '1px');
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});
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}, '@property detected when stylesheet appears');
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test(() => {
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let name = generate_name();
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with_at_property({
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name: name,
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syntax: '"<length>"',
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inherits: false,
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initialValue: '1px'
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}, (name) => {
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assert_equals(getComputedStyle(div).getPropertyValue(name), '1px');
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});
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assert_equals(getComputedStyle(div).getPropertyValue(name), '');
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}, '@property removal detected when last @property rule disappears');
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test(() => {
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with_at_property({
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syntax: '"<length>"',
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inherits: false,
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initialValue: '1px'
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}, (name1) => {
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with_at_property({
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syntax: '"<length>"',
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inherits: false,
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initialValue: '2px'
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}, (name2) => {
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assert_equals(getComputedStyle(div).getPropertyValue(name2), '2px');
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});
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});
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}, '@property detected in second stylesheet');
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test(() => {
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let name2 = generate_name();
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with_at_property({
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syntax: '"<length>"',
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inherits: false,
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initialValue: '1px'
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}, (name1) => {
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with_at_property({
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name2: name2,
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syntax: '"<length>"',
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inherits: false,
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initialValue: '2px'
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}, (name2) => {
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assert_equals(getComputedStyle(div).getPropertyValue(name2), '2px');
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});
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assert_equals(getComputedStyle(div).getPropertyValue(name2), '');
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});
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}, '@property removal detected with removal of second stylesheet');
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test(() => {
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let name1 = generate_name();
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let name2 = generate_name();
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let sheet1 = `
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@property ${name1} {
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inherits: false;
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syntax: "<length>";
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initial-value: 1px;
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}
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`;
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let sheet2 = `
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@property ${name2} {
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inherits: false;
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syntax: "<length>";
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initial-value: 2px;
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}
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`;
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let node1 = document.createElement('style');
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let node2 = document.createElement('style');
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node1.textContent = sheet1;
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node2.textContent = sheet2;
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try {
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document.body.append(node1, node2);
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assert_equals(getComputedStyle(div).getPropertyValue(name1), '1px');
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assert_equals(getComputedStyle(div).getPropertyValue(name2), '2px');
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node1.remove();
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assert_equals(getComputedStyle(div).getPropertyValue(name1), '');
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assert_equals(getComputedStyle(div).getPropertyValue(name2), '2px');
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} finally {
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node1.remove();
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node2.remove();
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}
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}, '@property removal detected with removal of first stylesheet');
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</script>
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