62 lines
1.6 KiB
HTML
62 lines
1.6 KiB
HTML
<!doctype html>
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<title>Test for bug 1789191</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
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<style>
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@container (min-width: 0px) {
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}
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@container name (min-width: 0px) {
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}
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@container (min-height: 0px) {
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}
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div {
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width: 100px;
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height: 100px;
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background-color: blue;
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margin: 10px;
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}
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.container-height {
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container-type: size;
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}
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.container-unnamed {
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container-type: inline-size;
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}
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.container-named {
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container-type: inline-size;
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container-name: name;
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}
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</style>
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<div id="child1"></div>
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<div class="container-height" id="container1">
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<div class="container-named" id="container2">
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<div class="container-unnamed" id="container3">
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<div id="child2"></div>
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</div>
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</div>
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</div>
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<script>
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let sheet = document.querySelector("style").sheet;
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let withoutFilter = SpecialPowers.wrap(sheet.cssRules[0]);
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let withFilter = SpecialPowers.wrap(sheet.cssRules[1]);
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let heightQuery = SpecialPowers.wrap(sheet.cssRules[2]);
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// Container query selection requires up-to-date layout information.
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document.body.getBoundingClientRect();
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is(withoutFilter.queryContainerFor(child1), null, "No filter, no container");
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is(withFilter.queryContainerFor(child1), null, "Filter, no container");
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is(heightQuery.queryContainerFor(child1), null, "Height, no container");
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is(SpecialPowers.unwrap(withoutFilter.queryContainerFor(child2)), container3, "No filter, container");
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is(SpecialPowers.unwrap(withFilter.queryContainerFor(child2)), container2, "Filter");
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is(SpecialPowers.unwrap(heightQuery.queryContainerFor(child2)), container1, "Height");
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</script>
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