зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1516056 - Add a mochitest. r=kats
Depends on D20281 Differential Revision: https://phabricator.services.mozilla.com/D20282 --HG-- extra : moz-landing-system : lando
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width; initial-scale=2.0">
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<title>Test for bug 1516056: "scroll into view" respects bounds on layout scroll position</title>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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#target {
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width: 100px;
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height: 100px;
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margin-left: 50%;
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margin-right: 50%;
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background: cyan;
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}
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</style>
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</head>
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<body>
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<div id="target"></div>
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<script>
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function getVisualScrollRange() {
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let rootScroller = document.scrollingElement;
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let vv = window.visualViewport;
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return {
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width: rootScroller.scrollWidth - vv.width,
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height: rootScroller.scrollHeight - vv.height,
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};
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}
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function* test(testDriver) {
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SimpleTest.is(window.scrollMaxX, 0, "page should have a zero horizontal layout scroll range");
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SimpleTest.is(window.scrollMaxY, 0, "page should have a zero vertical layout scroll range");
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let visualScrollRange = getVisualScrollRange();
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SimpleTest.ok(visualScrollRange.width > 0, "page should have a nonzero horizontal visual scroll range");
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SimpleTest.ok(visualScrollRange.height > 0, "page should have a nonzero vertical visual scroll range");
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let target = document.getElementById("target");
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target.scrollIntoView();
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SimpleTest.is(window.scrollX, 0, "page should not layout-scroll with a zero layout scroll range");
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SimpleTest.is(window.scrollY, 0, "page should not layout-scroll with a zero layout scroll range");
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}
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waitUntilApzStable().then(runContinuation(test)).then(subtestDone);
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</script>
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</body>
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</html>
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@ -65,6 +65,7 @@ var subtests = [
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{"file": "helper_basic_doubletap_zoom.html", "prefs": doubletap_prefs},
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{"file": "helper_onetouchpinch_nested.html", "prefs": onetouchpinch_prefs},
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{"file": "helper_visual_smooth_scroll.html", "prefs": prefs},
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{"file": "helper_scroll_into_view_bug1516056.html", "prefs": prefs},
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];
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if (isApzEnabled()) {
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