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Automatic update from web-platform-testsMerge pull request #13049 from web-platform-tests/scroll-behavior Add several tests to check scroll behavior smooth/instant -- wpt-commits: 0e4ff38722318604cc308ed90e4d047b1409672d wpt-pr: 13049
52 lines
2.5 KiB
HTML
52 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<title>Testing default value of scroll-behavior</title>
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<meta name="timeout" content="long"/>
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<link rel="author" title="Frédéric Wang" href="mailto:fwang@igalia.com">
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<link rel="help" href="https://drafts.csswg.org/cssom-view/#propdef-scroll-behavior">
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<link rel="help" href="https://drafts.csswg.org/cssom-view/#scrolling-box">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/scroll-behavior.js"></script>
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<style>
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.scrollable {
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overflow: auto;
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width: 400px;
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height: 200px;
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}
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</style>
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<div id="log">
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</div>
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<div id="overflowNode" class="scrollable">
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<div style="width: 2000px; height: 1000px; background: linear-gradient(135deg, red, green);">
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<span style="display: inline-block; width: 500px; height: 250px;"></span><span id="elementToReveal" style="display: inline-block; vertical-align: -15px; width: 10px; height: 15px; background: black;"></span>
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</div>
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</div>
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<script>
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var scrollingElement = overflowNode;
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var elementToRevealLeft = 500;
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var elementToRevealTop = 250;
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var scrollFunction = "scroll";
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promise_test(() => {
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resetScroll(scrollingElement);
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assert_equals(scrollingElement.scrollLeft, 0);
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assert_equals(scrollingElement.scrollTop, 0);
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scrollNode(scrollingElement, "scroll", "instant", elementToRevealLeft, elementToRevealTop);
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assert_equals(scrollingElement.scrollLeft, elementToRevealLeft, "Should set scrollLeft immediately");
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assert_equals(scrollingElement.scrollTop, elementToRevealTop, "Should set scrollTop immediately");
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return new Promise((resolve) => { resolve(); });
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}, "Instant scrolling of an element with default scroll-behavior");
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promise_test(() => {
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resetScroll(scrollingElement);
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assert_equals(scrollingElement.scrollLeft, 0);
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assert_equals(scrollingElement.scrollTop, 0);
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scrollNode(scrollingElement, "scroll", "smooth", elementToRevealLeft, elementToRevealTop);
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assert_less_than(scrollingElement.scrollLeft, elementToRevealLeft, "Should not set scrollLeft immediately");
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assert_less_than(scrollingElement.scrollTop, elementToRevealTop, "Should not set scrollTop immediately");
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return waitForScrollEnd(scrollingElement).then(() => {
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assert_equals(scrollingElement.scrollLeft, elementToRevealLeft, "Final value of scrollLeft");
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assert_equals(scrollingElement.scrollTop, elementToRevealTop, "Final value of scrollTop");
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});
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}, "Smooth scrolling of an element with default scroll-behavior");
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</script>
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