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Unified Diff: third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html

Issue 1405413004: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Addressing feedback Created 5 years, 2 months ago
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Index: third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
new file mode 100644
index 0000000000000000000000000000000000000000..5a79c8d05206e277a0a7ded78a34a458c290a215
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
@@ -0,0 +1,68 @@
+<!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 promise resolution of OfflineAudioContext.resume() and OfflineAudioContext.suspend().');
+ window.jsTestIsAsync = true;
+
+ var context;
+
+ // The sample rate is multiple of the rendering quantum, so suspension
+ // times fall in to the render quantum boundary.
+ var renderQuantum = 128;
+
+ var sampleRate = renderQuantum * 100;
+ var renderDuration = 2;
+ var scheduledSuspendTime = 0;
+
+ // With the sample rate setting above, this ensures suspension time fall
+ // in to the render quantum boundary.
+ var suspendInterval = 0.25;
+
+ context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ function onSuspended() {
+ if (context.state === 'suspended' && context.currentTime === scheduledSuspendTime) {
+
+ testPassed('suspend promise resolved: context is suspended at ' +
+ scheduledSuspendTime + ' second(s).');
+
+ scheduledSuspendTime = context.currentTime + suspendInterval;
+
+ // Scheduling a suspend before the render duration should pass.
+ if (scheduledSuspendTime < renderDuration) {
+ context.suspend(scheduledSuspendTime).then(onSuspended);
+ testPassed('A new suspend has been scheduled at ' +
+ scheduledSuspendTime + ' second(s).');
+ }
+
+ // Scheduling a suspend exactly at the render duration should be
+ // rejected.
+ if (scheduledSuspendTime === renderDuration) {
+ Should('Scheduling at ' + renderDuration + ' seconds',
+ context.suspend(scheduledSuspendTime)).beRejected();
+ }
+
+ context.resume();
+ }
+ }
+
+ // Schedule the first suspension.
+ context.suspend(scheduledSuspendTime).then(onSuspended);
+ testPassed('A new suspend has been scheduled at ' + scheduledSuspendTime + ' second(s).');
+
+ context.startRendering().then(function () {
+ Should('Promise context.state', context.state).beEqualTo('closed');
+ }).then(finishJSTest);
+
+ successfullyParsed = true;
+ </script>
+
+ </body>
+</html>

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