Nicolas Chevobbe
0652464014
This will be used by DevTools, in particular to know when a custom properties is set (they can be empty, so `getPropertyValue()` isn't helpful here). squash in layout Differential Revision: https://phabricator.services.mozilla.com/D294768
74 lines
2.0 KiB
HTML
74 lines
2.0 KiB
HTML
<!DOCTYPE html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1894251
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-->
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<title>Test for CSSStyleProperties::hasLonghandProperty</title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
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<div id="target"></div>
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<style>
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#target {
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--in-rule: hotpink;
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--in-rule-empty: ;
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background-color: peachpuff;
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text-decoration-color: var(--in-rule);
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padding: 1em;
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}
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@property --my-color {
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syntax: "<color>";
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inherits: false;
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initial-value: #c0ffee;
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}
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</style>
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<script>
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add_task(async () => {
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const el = document.querySelector("#target");
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const computed = getComputedStyle(el);
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ok(
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!computed.hasLonghandProperty("my-amazing-property"),
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`hasLonghandProperty returns false for invalid property`
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);
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ok(
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!computed.hasLonghandProperty("--unknown"),
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`hasLonghandProperty returns false for "--unknown" property`
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);
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ok(
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!computed.hasLonghandProperty("padding"),
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`hasLonghandProperty returns false for shorthand property (padding)`
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);
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ok(
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computed.hasLonghandProperty("padding-top"),
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`hasLonghandProperty returns true for longhand property (padding-top)`
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);
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ok(
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computed.hasLonghandProperty("background-color"),
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`hasLonghandProperty returns true for "background-color" property`
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);
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ok(
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computed.hasLonghandProperty("text-decoration-color"),
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`hasLonghandProperty returns true for property with a CSS variable value`
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);
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ok(
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computed.hasLonghandProperty("clear"),
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`hasLonghandProperty returns true for unset "clear" property`
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);
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ok(
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computed.hasLonghandProperty("--in-rule"),
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`hasLonghandProperty returns true for "--in-rule" property`
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);
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ok(
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computed.hasLonghandProperty("--in-rule-empty"),
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`hasLonghandProperty returns true for "--in-rule-empty" property`
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);
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ok(
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computed.hasLonghandProperty("--my-color"),
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`hasLonghandProperty returns true for registered but unset "--my-color" property`
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);
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});
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</script>
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