зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
1.9 KiB
HTML
65 строки
1.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test that we flush before painting</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 onload="doIteration()">
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<embed type="application/x-test" id="plugin" drawmode="solid" style="width:200px; height:200px;"></embed>
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<pre id="test">
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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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SimpleTest.requestFlakyTimeout("This test deals with painting and invalidation. " +
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"Those are tricky to detect, so we have to poll here, which means that we have to rely on flaky timeouts. " +
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"This special case is safe because we're only polling for events.");
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var iterations = 0;
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var plugin = document.getElementById("plugin");
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var lastPaintCount;
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var expectedWidth;
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var toggle = true;
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function invalidationLoop() {
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toggle = !toggle;
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var color = toggle ? "8F" : "00";
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plugin.setColor("FFFFFF" + color);
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setTimeout(invalidationLoop, 20);
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}
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invalidationLoop();
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function doIteration() {
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lastPaintCount = window.mozPaintCount;
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ok(true, "Beginning iteration " + iterations + ", last paint count: " + lastPaintCount);
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expectedWidth = 201 + iterations;
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plugin.style.width = expectedWidth + "px";
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checkDone();
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}
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function checkDone() {
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ok(true, "Check to see if we're done: " + window.mozPaintCount);
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if (window.mozPaintCount == lastPaintCount) {
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setTimeout(checkDone, 30);
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return;
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}
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var utils = SpecialPowers.getDOMWindowUtils(window);
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is(plugin.getWidthAtLastPaint(), utils.screenPixelsPerCSSPixel*expectedWidth,
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"Check that we set width before painting");
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++iterations;
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if (iterations < 100) {
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doIteration();
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} else {
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SimpleTest.finish();
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}
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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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