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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /layout/reftests/web-animations/1267937-1.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/reftests/web-animations/1267937-1.html')
| -rw-r--r-- | layout/reftests/web-animations/1267937-1.html | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/layout/reftests/web-animations/1267937-1.html b/layout/reftests/web-animations/1267937-1.html new file mode 100644 index 000000000..6288ec162 --- /dev/null +++ b/layout/reftests/web-animations/1267937-1.html @@ -0,0 +1,58 @@ +<!doctype html> +<html class="reftest-wait reftest-no-flush"> +<head> +<meta charset=utf-8> +<title>Bug 1267937</title> +<style> +#target { + width: 100px; + height: 100px; + background: green; +} +</style> +</head> +<body> +<div id="target"></div> +<script> + var target = document.getElementById("target"); + var anim = target.animate( + { marginLeft: [ "0px", "10px" ] }, + { duration: 500000 /* 500s */, easing: "steps(2, start)" }); + + anim.ready.then(function() { + // Set currentTime in before phase, i.e., GetComputedTimingAt() returns + // null progress in the phase so that we can skip ComposeStyle(). + // This currentTime value should be far from zero in order to skip + // restyles requested by setting currentTime or frames in a next tick. + // If this value is near by zero, say -1, the restyles will be processed in + // the next tick and current time in the next tick must be greater than + // zero at that point, that means the animation with new frame values will + // be painted. As a result, this test will be useless. + anim.currentTime = -500; + + // Setting another frame does not cause any visual changes because + // the animation is still in the before phase. + anim.effect.setKeyframes({ marginLeft: [ "0px", "400px" ] }); + + var beforePhaseFrames = 0; + window.requestAnimationFrame(function handleFrame() { + if (anim.effect.getComputedTiming().progress === null) { + beforePhaseFrames++; + } + if (anim.effect.getComputedTiming().progress !== null) { + if (beforePhaseFrames == 0) { + console.log("WARNING: We never got frames in the before phase. " + + "This test is going to be passed accidentally. " + + "Consider setting smaller current time, e.g. -1000ms."); + } + // After starting the animation, progress should be 0.5, that means + // margin-left is 200px. + document.documentElement.classList.remove("reftest-wait"); + return; + } + window.requestAnimationFrame(handleFrame); + }); + }); +</script> +</body> +</html> |