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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/canvas/test/test_offscreencanvas_sharedworker.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/canvas/test/test_offscreencanvas_sharedworker.html b/dom/canvas/test/test_offscreencanvas_sharedworker.html
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+++ b/dom/canvas/test/test_offscreencanvas_sharedworker.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+<title>WebGL in OffscreenCanvas</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+</head>
+<body>
+<canvas id="c" width="64" height="64"></canvas>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+function runTest() {
+
+ var htmlCanvas = document.getElementById("c");
+ var worker = new SharedWorker("offscreencanvas.js");
+
+ ok(htmlCanvas, "Should have HTML canvas element");
+ ok(worker, "Web worker successfully created");
+
+ ok(htmlCanvas.transferControlToOffscreen, "HTMLCanvasElement has transferControlToOffscreen function");
+
+ var offscreenCanvas = htmlCanvas.transferControlToOffscreen();
+ ok(offscreenCanvas, "Expected transferControlToOffscreen to succeed");
+
+ worker.port.start();
+
+ // We don't support transferring OffscreenCanvas via shared worker.
+ SimpleTest.doesThrow(
+ function() {
+ worker.port.postMessage({test: 'webgl', canvas: offscreenCanvas}, [offscreenCanvas]);
+ },
+ "OffscreenCanvas cannot transfer to shared worker"
+ );
+
+ SimpleTest.finish();
+}
+
+SpecialPowers.pushPrefEnv({'set': [
+ ['gfx.offscreencanvas.enabled', true],
+ ['webgl.force-enabled', true],
+]}, runTest);
+
+</script>
+</body>
+</html>