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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
| commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/base/tests/test_after_paint_pref.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_after_paint_pref.html')
| -rw-r--r-- | layout/base/tests/test_after_paint_pref.html | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/layout/base/tests/test_after_paint_pref.html b/layout/base/tests/test_after_paint_pref.html new file mode 100644 index 0000000000..d63dd7dc0f --- /dev/null +++ b/layout/base/tests/test_after_paint_pref.html @@ -0,0 +1,123 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=608030 +--> +<head> + <title>Test for MozAfterPaint pref Bug 608030</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=608030">Mozilla Bug 608030</a> +<div id="display" style="width: 10em; height: 5em; background-color: red"></div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 608030 **/ + +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); + +window.addEventListener("load", step0); + +is(SpecialPowers.getBoolPref("dom.send_after_paint_to_content"), true, "pref defaults to true in mochitest harness"); + +function print_rect(rect) { + if (!rect) { + rect = { top: 0, left: 0, width: 0, right: 0 }; + } + return "(top=" + rect.top + ",left=" + rect.left + ",width=" + rect.width + ",height=" + rect.height + ")"; +} + +function print_event(event) { + var res = "boundingClientRect=" + print_rect(event.boundingClientRect); + var rects = event.clientRects; + if (rects) { + for (var i = 0; i < rects.length; ++i) { + res += " clientRects[" + i + "]=" + print_rect(rects[i]); + } + } + return res; +} + +function step0(event) { + // Wait until we get the MozAfterPaint following the load event + // before starting. + ok(true, "loaded"); + window.addEventListener("MozAfterPaint", step1); + + // Ensure a MozAfterPaint event is fired + div.style.backgroundColor = "yellow"; +} + +var start; +var div = document.getElementById("display"); + +function step1(event) +{ + ok(true, "step1 reached: " + print_event(event)); + window.removeEventListener("MozAfterPaint", step1); + + start = Date.now(); + + window.addEventListener("MozAfterPaint", step2); + + div.style.backgroundColor = "blue"; +} + +async function step2(event) +{ + ok(true, "step2 reached: " + print_event(event)); + window.removeEventListener("MozAfterPaint", step2); + + var end = Date.now(); + var timeout = 3 * Math.max(end - start, 300); + + ok(true, "got MozAfterPaint (timeout for next step is " + timeout + "ms)"); + + // Set the pref for our second test + + // When there was previously another page in our window, we seem to + // get duplicate events, simultaneously, so we need to register our + // next listener after a zero timeout. + await SpecialPowers.pushPrefEnv({'set': [['dom.send_after_paint_to_content', false]]}); + + // Wait for a double-rAF, to ensure we get a refresh driver tick (which, for + // this pref, is what actually makes the pref-adjustment take effect). + await new Promise(resolve => requestAnimationFrame(resolve)); + await new Promise(resolve => requestAnimationFrame(resolve)); + + setTimeout(step3, 0, timeout); +} +function step3(timeout) +{ + ok(true, "step3 reached"); + window.addEventListener("MozAfterPaint", failstep); + + div.style.backgroundColor = "fuchsia"; + + setTimeout(step4, timeout); +} + +function failstep(event) +{ + ok(true, "failstep reached: " + print_event(event)); + ok(false, "got MozAfterPaint when we should not have"); +} + +function step4() +{ + ok(true, "step4 reached"); // If we didn't get the failure in failstep, + // then we passed. + + window.removeEventListener("MozAfterPaint", failstep); + + // Set the pref back in its initial state. + SpecialPowers.pushPrefEnv({'set': [['dom.send_after_paint_to_content', true]]}, SimpleTest.finish); +} + +</script> +</pre> +</body> +</html> |