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

Issue 1140723003: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Restructured the resolution of suspend promise Created 5 years, 6 months ago
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Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
new file mode 100644
index 0000000000000000000000000000000000000000..47d3e136faaa3d008370b3bec4617dcb8fca4a31
--- /dev/null
+++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
@@ -0,0 +1,55 @@
+<!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/suspend.');
+ window.jsTestIsAsync = true;
+
+ var context;
+ var sampleRate = 44100;
+ var renderDuration = 2;
+ var renderQuantum = 128;
+ var scheduledSuspendTime = 0.1;
+
+ // Get the time quantized by render quantum size.
+ function quantizeTimeByRenderQuantum(time) {
+ var samples = time * sampleRate;
+ return (samples - (samples % renderQuantum)) / sampleRate;
+ }
+
+ function onSuspended() {
+ Should('context.currentTime', context.currentTime)
+ .beEqualTo(quantizeTimeByRenderQuantum(scheduledSuspendTime));
+
+ // When |context.currentTime + 0.1 > renderDuration|, the promise
+ // should be rejected and throw an exception.
+ scheduledSuspendTime = context.currentTime + 0.1;
+ if (scheduledSuspendTime > renderDuration) {
+ Should('context.suspend(scheduledSuspendTime)',
+ context.suspend(scheduledSuspendTime)).beRejected();
+ } else {
+ context.suspend(scheduledSuspendTime).then(onSuspended);
+ }
+ context.resume();
+ }
+
+ context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ context.suspend(scheduledSuspendTime).then(onSuspended);
+
+ context.startRendering().then(function () {
+ Should('context.state', context.state).beEqualTo('closed');
+ finishJSTest();
+ });
+
+ successfullyParsed = true;
+ </script>
+
+ </body>
+</html>

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