Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(94)

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

Issue 1140723003: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Bring ToT Created 5 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
new file mode 100644
index 0000000000000000000000000000000000000000..96baef9ef735805eb1564a143834a0fb39af3161
--- /dev/null
+++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
@@ -0,0 +1,99 @@
+<!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('Basic test for OfflineAudioContext.suspend() and OfflineAudioContext.resume().');
+ window.jsTestIsAsync = true;
+
+ var sampleRate = 44100;
+ var renderDuration = 1;
+ var renderQuantum = 128;
+
+ var audit = Audit.createTaskRunner();
+
+ // Task: Calling suspend with no argument or negative time should
+ // reject the promise.
+ audit.defineTask('suspend-invalid-argument', function (done) {
+ var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ Should('context.suspend()', context.suspend()).beRejected();
+ Should('context.suspend(-1.0)', context.suspend(-1.0)).beRejected().then(done);
+ });
+
+ // Task: Scheduling a suspend in the past should be rejected.
+ audit.defineTask('suspend-in-the-past', function (done) {
+ var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ context.suspend(0.5).then(function () {
+ Should('Scheduling a suspend in the past',
+ context.suspend(context.currentTime - 0.1)).beRejected();
+ context.resume();
+ });
+
+ context.startRendering().then(done);
+ });
+
+ // Task: Calling multiple suspends at the same rendering quantum should
+ // reject the promise.
+ audit.defineTask('identical-suspend-time', function (done) {
+ var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ // |suspendTime1| and |suspendTime2| are identical when quantized to
+ // the render quantum size.
+ var suspendTime1 = renderQuantum / sampleRate;
+ var suspendTime2 = (renderQuantum + renderQuantum * 0.5) / sampleRate;
+
+ context.suspend(suspendTime1);
+
+ Should('Calling multiple suspends at the same rendering quantum',
+ context.suspend(suspendTime2)).beRejected().then(done);
+ });
+
+ // Task: Resuming the context before the actual suspension happens.
+ audit.defineTask('resume-before-suspend', function (done) {
+ var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ // A suspend is scheduled at the half.
+ context.suspend(renderDuration * 0.5).then(done);
+
+ // We have to start rendering to get the time running.
+ context.startRendering();
+
+ // Then call resume() immediately after the rendering starts. This
+ // resume() will be performed before the actual suspension happens.
+ Should('Resuming before suspend', context.resume()).beRejected();
+ });
+
+ // Task: Calling resume on non-suspended context should reject the promise.
+ audit.defineTask('resume-without-suspend', function (done) {
+ var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ Should('Calling resume on non-suspended context', context.resume())
+ .beRejected().then(done);
+ });
+
+ audit.defineTask('finish', function (done) {
+ finishJSTest();
+ done();
+ });
+
+ audit.runTasks(
+ 'suspend-invalid-argument',
+ 'suspend-in-the-past',
+ 'identical-suspend-time',
+ 'resume-before-suspend',
+ 'resume-without-suspend',
+ 'finish'
+ );
+
+ successfullyParsed = true;
+ </script>
+
+ </body>
+</html>

Powered by Google App Engine
This is Rietveld 408576698