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49 lines
1.8 KiB
HTML
49 lines
1.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>scroll-padding is respected when typing into an out-of-view textfield</title>
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1701928">
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#scroll-padding">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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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="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="/resources/testdriver-actions.js"></script>
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<style>
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body {
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margin: 0;
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}
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:root {
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scroll-padding-top: 100px;
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}
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</style>
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<div style="height: 300vh;"></div>
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<input type="text">
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<div style="height: 300vh;"></div>
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<script>
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function tick() {
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return new Promise(resolve => {
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requestAnimationFrame(() => requestAnimationFrame(resolve));
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});
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}
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promise_test(async function() {
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let input = document.querySelector("input");
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input.focus();
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await tick();
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// Scroll out of view.
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scrollTo(0, document.scrollingElement.scrollHeight);
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await tick();
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assert_not_equals(window.scrollY, 0);
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assert_true(input.getBoundingClientRect().bottom < 0, "Should be offscreen");
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// NOTE(emilio): Using test_driver.Actions() instead of test_driver.send_keys
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// because the later scrolls the target into view which would defeat the
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// point of the test...
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await new test_driver.Actions().keyDown('a').send();
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await tick();
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// We assert the bottom rather than the top because Gecko scrolls the
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// selection bounds into view, not the whole input.
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assert_true(input.getBoundingClientRect().bottom > 100, "Scroll-padding should be respected");
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}, "Test scrolling into view when typing");
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</script>
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