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Diffstat (limited to '')
-rw-r--r-- | dom/base/test/test_input_vsync_alignment_lower_than_normal.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/base/test/test_input_vsync_alignment_lower_than_normal.html b/dom/base/test/test_input_vsync_alignment_lower_than_normal.html new file mode 100644 index 0000000000..1d06e506b4 --- /dev/null +++ b/dom/base/test/test_input_vsync_alignment_lower_than_normal.html @@ -0,0 +1,51 @@ +<!DOCTYPE HTML> +<html> +<head> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" href="/tests/SimpleTest/test.css"> +</head> +<body > + <script type="text/javascript"> + SimpleTest.waitForExplicitFinish(); + + let runOrder = []; + function checkResult() { + if (runOrder.length == 3) { + if (runOrder[0] === "Normal") { + isDeeply( + runOrder, + ["Normal", "InputHigh", "Vsync"], + "Input priority tasks should let normal tasks to run first when there's no pending vsync" + ); + SimpleTest.finish(); + } else { + runOrder = []; + runTest(); + } + } + } + + function runTest() { + window.requestAnimationFrame(() => { + window.requestAnimationFrame(() => { + runOrder.push("Vsync"); + checkResult(); + }); + SpecialPowers.Services.tm.dispatchToMainThread(function() { + runOrder.push("InputHigh"); + checkResult(); + }, SpecialPowers.Ci.nsIRunnablePriority.PRIORITY_INPUT_HIGH); + SpecialPowers.Services.tm.dispatchToMainThread(function() { + runOrder.push("Normal"); + checkResult(); + }, SpecialPowers.Ci.nsIRunnablePriority.PRIORITY_NORMAL); + }); + } + + SpecialPowers.pushPrefEnv({ + set: [["dom.input_events.strict_input_vsync_alignment", true]] + }, runTest()); + </script> +</body> +</html> |