130 lines
5.7 KiB
HTML
130 lines
5.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="timeout" content="long">
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<meta name="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk" />
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<link rel="help" href="https://html.spec.whatwg.org/multipage/custom-elements.html#custom-state-pseudo-class" />
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<title>:state() css selector applies</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<custom-state id="myCE">I should be green</custom-state>
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<p id="mySibling">I should be blue</p>
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<p id="myHas">I should be blue</p>
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<style>
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custom-state {
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color: #f00;
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}
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custom-state + p {
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color: #f00;
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}
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custom-state:state(--green) {
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color: #0f0;
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}
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custom-state:--green {
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color: #0f0;
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}
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body:has(custom-state:state(--green)) p {
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color: #0ff;
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}
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custom-state:state(--green) + p[id] {
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color: #00f;
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}
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custom-state:--green + p {
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color: #00f;
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}
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</style>
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<script>
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customElements.define('custom-state', class extends HTMLElement {
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connectedCallback() {
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this.elementInternals = this.attachInternals();
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}
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});
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test(function() {
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "state selector has no influence when state is not applied");
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test(function() {
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "state selector has no influence on sibling selectors when not applied");
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test(function(t) {
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myCE.elementInternals.states.add('--green');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--green') });
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assert_true(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(0, 255, 0)');
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}, "state selector has influence when state is applied");
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test(function(t) {
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myCE.elementInternals.states.add('--green');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--green') });
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assert_true(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(0, 0, 255)');
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}, "state selector influences siblings when state is applied");
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test(function(t) {
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myCE.elementInternals.states.add('--green');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--green') });
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assert_true(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(myHas).getPropertyValue('color'), 'rgb(0, 255, 255)');
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}, "state selector influences has() when state is applied");
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test(function(t) {
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myCE.elementInternals.states.add('--foo');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--foo') });
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_true(myCE.elementInternals.states.has('--foo'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "state selector only applies on given ident");
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test(function(t) {
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myCE.elementInternals.states.add('--foo');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--foo') });
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_true(myCE.elementInternals.states.has('--foo'));
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assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "state selector only applies to siblings on given ident");
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test(function(t) {
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myCE.elementInternals.states.add('--foo');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--foo') });
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_true(myCE.elementInternals.states.has('--foo'));
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assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "state selector only applies to has() on given ident");
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test(function(t) {
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myCE.elementInternals.states.add('--green');
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myCE.elementInternals.states.add('--green');
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myCE.elementInternals.states.add('--green');
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t.add_cleanup(() => { myCE.elementInternals.states.delete('--green') });
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assert_true(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(0, 255, 0)');
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assert_true(myCE.elementInternals.states.delete('--green'));
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)');
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assert_false(myCE.elementInternals.states.delete('--green'));
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}, "states added multiple times counts as one");
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test(function(t) {
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myCE.elementInternals.states.add('--green');
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myCE.elementInternals.states.add('--foo');
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t.add_cleanup(() => { myCE.elementInternals.states.clear() });
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assert_true(myCE.elementInternals.states.has('--green'));
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assert_true(myCE.elementInternals.states.has('--foo'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(0, 255, 0)');
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myCE.elementInternals.states.clear();
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assert_false(myCE.elementInternals.states.has('--green'));
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assert_false(myCE.elementInternals.states.has('--foo'));
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assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)');
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}, "style is invalided on clear()");
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</script>
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</body>
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</html>
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