зеркало из https://github.com/mozilla/gecko-dev.git
117 строки
3.2 KiB
HTML
117 строки
3.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=608030
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-->
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<head>
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<title>Test for MozAfterPaint pref Bug 608030</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=608030">Mozilla Bug 608030</a>
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<div id="display" style="width: 10em; height: 5em; background-color: red"></div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 608030 **/
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SimpleTest.waitForExplicitFinish();
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SimpleTest.requestFlakyTimeout("untriaged");
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window.addEventListener("load", step0);
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is(SpecialPowers.getBoolPref("dom.send_after_paint_to_content"), true, "pref defaults to true in mochitest harness");
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function print_rect(rect) {
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if (!rect) {
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rect = { top: 0, left: 0, width: 0, right: 0 };
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}
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return "(top=" + rect.top + ",left=" + rect.left + ",width=" + rect.width + ",height=" + rect.height + ")";
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}
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function print_event(event) {
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var res = "boundingClientRect=" + print_rect(event.boundingClientRect);
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var rects = event.clientRects;
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if (rects) {
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for (var i = 0; i < rects.length; ++i) {
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res += " clientRects[" + i + "]=" + print_rect(rects[i]);
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}
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}
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return res;
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}
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function step0(event) {
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// Wait until we get the MozAfterPaint following the load event
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// before starting.
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ok(true, "loaded");
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window.addEventListener("MozAfterPaint", step1);
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// Ensure a MozAfterPaint event is fired
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div.style.backgroundColor = "yellow";
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}
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var start;
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var div = document.getElementById("display");
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function step1(event)
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{
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ok(true, "step1 reached: " + print_event(event));
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window.removeEventListener("MozAfterPaint", step1);
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start = Date.now();
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window.addEventListener("MozAfterPaint", step2);
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div.style.backgroundColor = "blue";
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}
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function step2(event)
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{
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ok(true, "step2 reached: " + print_event(event));
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window.removeEventListener("MozAfterPaint", step2);
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var end = Date.now();
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var timeout = 3 * Math.max(end - start, 300);
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ok(true, "got MozAfterPaint (timeout for next step is " + timeout + "ms)");
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// Set the pref for our second test
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// When there was previously another page in our window, we seem to
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// get duplicate events, simultaneously, so we need to register our
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// next listener after a zero timeout.
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SpecialPowers.pushPrefEnv({'set': [['dom.send_after_paint_to_content', false]]}, function() {setTimeout(step3, 0, timeout);});
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}
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function step3(timeout)
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{
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ok(true, "step3 reached");
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window.addEventListener("MozAfterPaint", failstep);
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div.style.backgroundColor = "fuchsia";
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setTimeout(step4, timeout);
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}
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function failstep(event)
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{
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ok(true, "failstep reached: " + print_event(event));
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ok(false, "got MozAfterPaint when we should not have");
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}
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function step4()
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{
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ok(true, "step4 reached"); // If we didn't get the failure in failstep,
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// then we passed.
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window.removeEventListener("MozAfterPaint", failstep);
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// Set the pref back in its initial state.
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SpecialPowers.pushPrefEnv({'set': [['dom.send_after_paint_to_content', true]]}, SimpleTest.finish);
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}
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</script>
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</pre>
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</body>
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</html>
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