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46 lines
2 KiB
HTML
46 lines
2 KiB
HTML
<!DOCTYPE html>
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<html>
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<title>SET: Blend modes are set up only in paired transitions</title>
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<link rel="help" href="https://github.com/WICG/view-transitions">
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<link rel="author" href="mailto:vmpstr@chromium.org">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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div {
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width: 100px;
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height: 100px;
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background: blue;
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contain: paint;
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}
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.tagone { view-transition-name: one }
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.tagtwo { view-transition-name: two }
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.tagthree { view-transition-name: three }
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</style>
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<div id=first class=tagone></div>
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<div id=second></div>
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<div id=third class=tagthree></div>
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<script>
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async_test(t => {
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assert_implements(document.startViewTransition, "Missing document.startViewTransition");
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let transition = document.startViewTransition(() => {
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first.classList.toggle("tagone");
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second.classList.toggle("tagtwo");
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(one)").isolation, "auto"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(one)").mixBlendMode, "normal"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(two)").isolation, "auto"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(two)").mixBlendMode, "normal"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(three)").isolation, "isolate"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(three)").mixBlendMode, "plus-lighter"));
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t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(three)").mixBlendMode, "plus-lighter"));
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t.done();
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});
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});
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});
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}, "Blend modes are set up on paired transitions");
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</script>
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