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Unified Diff: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html

Issue 1140723003: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Initial review + layout tests Created 5 years, 7 months ago
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Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
new file mode 100644
index 0000000000000000000000000000000000000000..66c4f1f9ca3af104d55eac40467c4aa2b4d7fae5
--- /dev/null
+++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
@@ -0,0 +1,56 @@
+<!doctype html>
+<html>
+ <head>
+ <script src="../resources/js-test.js"></script>
+ <script src="resources/compatibility.js"></script>
+ <script src="resources/audio-testing.js"></script>
+ </head>
+
+ <body>
+ <script>
+ description('Test event handler callback from OfflineAudioContext resume/suspend.');
+ window.jsTestIsAsync = true;
+
+ var context;
+ var sampleRate = 44100;
+ var renderDuration = 2;
+ var renderQuantum = 128;
+ var scheduledSuspendTime = 0.1;
Raymond Toy 2015/05/28 16:37:34 I think you should compute scheduledSuspendTime fr
hongchan 2015/06/09 20:49:58 It should not matter, I believe. It should do what
+
+ // Get the time quantized by render quantum size.
+ function quantizeByRenderQuantum(time) {
+ var samples = time * sampleRate;
+ return (samples - (samples % renderQuantum)) / sampleRate;
+ }
+
+ function runTest() {
+ context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ context.onstatechange = function () {
+ if (context.state === 'suspended') {
+ Should('context.currentTime', context.currentTime)
+ .beEqualTo(quantizeByRenderQuantum(scheduledSuspendTime));
+
+ // When context.currentTime 0.1 > renderDuration, the promise should
Raymond Toy 2015/05/28 16:37:34 "currentTime 0.1"?
hongchan 2015/06/09 20:49:58 Oops. This should read |context.currentTime + 0.1
+ // be rejected and throw an exception.
+ scheduledSuspendTime = context.currentTime + 0.1;
Raymond Toy 2015/05/28 16:37:34 This delta of 0.1 should also be computed so that
hongchan 2015/06/09 20:49:58 I don't think it matters as the comment above.
+ context.suspend(scheduledSuspendTime);
+ context.resume();
+ }
+ };
+
+ context.oncomplete = function () {
+ Should('context.state', context.state).beEqualTo('closed');
+ finishJSTest();
+ };
+
+ context.suspend(scheduledSuspendTime);
+ context.startRendering();
Raymond Toy 2015/05/28 16:37:34 If you really want to use oncomplete instead of a
hongchan 2015/06/09 20:49:58 This test is about testing all event handlers are
+ }
+
+ runTest();
+ successfullyParsed = true;
+ </script>
+
+ </body>
+</html>

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