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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/OffScreenCanvas-invalid-args-in-worker.html

Issue 1565673002: Expose Offscreencanvas to worker (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: no separate js for worker Created 4 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/OffScreenCanvas-invalid-args-in-worker.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffScreenCanvas-invalid-args-in-worker.html b/third_party/WebKit/LayoutTests/fast/canvas/OffScreenCanvas-invalid-args-in-worker.html
new file mode 100644
index 0000000000000000000000000000000000000000..ed5506381fb00f5f7b7220c7893e2c9dfdfa81c1
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/canvas/OffScreenCanvas-invalid-args-in-worker.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+<script src="../../resources/js-test.js"></script>
+<body>
+<script id="myWorker" type="text/worker">
+var setWidth = Math.pow(2, 31);
+var setHeight = Math.pow(2, 31);
+
+self.onmessage = function(e) {
+ var canvas1 = new OffScreenCanvas(setWidth, setHeight);
+ self.postMessage({version:'canvas1', width:canvas1.width, height:canvas1.height});
+
+ var canvas2 = new OffScreenCanvas(null, null);
+ self.postMessage({version:'canvas2', width:canvas2.width, height:canvas2.height});
+};
+</script>
+
+<script>
+jsTestIsAsync = true;
+description("Tests that the OffScreenCanvas can handle invalid arguments on a worker");
+
+var width;
+var height;
+var setWidth = Math.pow(2, 31);
+var setHeight = Math.pow(2, 31);
+
+function makeWorker(script) {
+ var blob = new Blob([script]);
+ return new Worker(URL.createObjectURL(blob));
+}
+
+function handleMessageFromWorker(msg) {
+ width = msg.data.width;
+ height = msg.data.height;
+ switch (msg.data.version) {
+ case 'canvas1':
+ shouldBe('width', 'setWidth-1');
+ shouldBe('height', 'setHeight-1');
+ break;
+ case 'canvas2':
+ shouldBe('width', '0');
+ shouldBe('height', '0');
+ finishJSTest();
+ break;
+ default:
+ testFailed("Unexpected failure");
+ break;
+ }
+}
+
+var worker = makeWorker(document.getElementById('myWorker').textContent);
+worker.addEventListener('message', handleMessageFromWorker);
+worker.postMessage("");
+</script>
+
+</body>
+</html>

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