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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#state-and-part::part(inner) {
opacity: 0;
}
#state-and-part::part(inner):--innerFoo {
opacity: 0.5;
}
#state-and-part:--outerFoo::part(inner) {
opacity: 0.25;
}
:--\(escaped\ state {}
</style>
<body>
<script>
class TestElement extends HTMLElement {
constructor() {
super();
this._internals = this.attachInternals();
}
get i() {
return this._internals;
}
}
customElements.define('test-element', TestElement);
class ContainerElement extends HTMLElement {
constructor() {
super();
this._internals = this.attachInternals();
this._shadow = this.attachShadow({mode:'open'});
this._shadow.innerHTML = `
<style>
:host {
border-style: solid;
}
:host(:--dotted) {
border-style: dotted;
}
</style>
<test-element part="inner"></test-element>`;
}
get i() {
return this._internals;
}
get innerElement() {
return this._shadow.querySelector('test-element');
}
}
customElements.define('container-element', ContainerElement);
test(() => {
document.querySelector(':--');
document.querySelector(':--16px');
}, ':--foo parsing passes');
test(() => {
assert_throws_dom('SyntaxError', () => { document.querySelector(':--('); });
assert_throws_dom('SyntaxError', () => { document.querySelector(':--)'); });
assert_throws_dom('SyntaxError', () => { document.querySelector(':--='); });
assert_throws_dom('SyntaxError', () => { document.querySelector(':--name=value'); });
}, ':--foo parsing failures');
test(() => {
assert_equals(document.styleSheets[0].cssRules[1].cssText,
'#state-and-part::part(inner):--innerFoo { opacity: 0.5; }');
assert_equals(document.styleSheets[0].cssRules[3].selectorText,
':--\\(escaped\\ state');
}, ':--foo serialization');
test(() => {
let element = new TestElement();
let states = element.i.states;
assert_false(element.matches(':--foo'));
assert_true(element.matches(':not(:--foo)'));
states.add('--foo');
assert_true(element.matches(':--foo'));
assert_true(element.matches(':is(:--foo)'));
element.classList.add('c1', 'c2');
assert_true(element.matches('.c1:--foo'));
assert_true(element.matches(':--foo.c1'));
assert_true(element.matches('.c2:--foo.c1'));
}, ':--foo in simple cases');
test(() => {
let element = new TestElement();
element.tabIndex = 0;
document.body.appendChild(element);
element.focus();
let states = element.i.states;
states.add('--foo');
assert_true(element.matches(':focus:--foo'));
assert_true(element.matches(':--foo:focus'));
}, ':--foo and other pseudo classes');
test(() => {
let outer = new ContainerElement();
outer.id = 'state-and-part';
document.body.appendChild(outer);
let inner = outer.innerElement;
let innerStates = inner.i.states;
innerStates.add('--innerFoo');
assert_equals(getComputedStyle(inner).opacity, '0.5',
'::part() followed by :--foo');
innerStates.delete('--innerFoo');
innerStates.add('--innerfoo');
assert_equals(getComputedStyle(inner).opacity, '0',
':--foo matching should be case-sensitive');
innerStates.delete('--innerfoo');
outer.i.states.add('--outerFoo');
assert_equals(getComputedStyle(inner).opacity, '0.25',
':--foo followed by ::part()');
}, ':--foo and ::part()');
test(() => {
let outer = new ContainerElement();
document.body.appendChild(outer);
assert_equals(getComputedStyle(outer).borderStyle, 'solid');
outer.i.states.add('--dotted');
assert_equals(getComputedStyle(outer).borderStyle, 'dotted');
}, ':--foo and :host()');
</script>
</body>
|
