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

Issue 1405413004: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Updating UseCounter.h after L-G-T-M Created 5 years, 1 month ago
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Index: third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
new file mode 100644
index 0000000000000000000000000000000000000000..334fa40860f42f447659d598e92290ff1f6e54a7
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
@@ -0,0 +1,77 @@
+<!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 OfflineAudioContext.resume() and OfflineAudioContext.suspend() with the timed sequence.');
+ 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;
+
+ // These numbers are in an arbitrary order, but not randomly generated in
+ // runtime to avoid moving pieces. However, it is safe to arrange them
+ // in a random order in runtime.
+ //
+ // Also these numbers are multiple of 0.25, so they are supposed to fall
+ // in the render quantum boundary for easier and more intuitive
+ // verification.
+ var suspendTimes = [0.25, 0.75, 1.0, 0.5, 1.25, 0.0, 1.75];
+
+ // Sorted ascending suspend time is our expected result.
+ var expectedSuspendTimes = suspendTimes.slice(0).sort(function (a, b) {
+ return a - b;
+ });
+
+ var actualSuspendTimes = [];
+
+ context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
+
+ for (var i = 0; i < suspendTimes.length; i++) {
+
+ // Schedule suspends in a random time order, but the actual suspend
+ // must happen in ascending time order.
+ scheduleSuspend(i, suspendTimes[i]);
+
+ }
+
+ function scheduleSuspend(index, suspendTime) {
+ testPassed('Scheduling suspend #' + index + ' at ' + suspendTime + ' second(s).');
+ context.suspend(suspendTime).then(function () {
+ actualSuspendTimes.push(suspendTime);
+ context.resume();
+ })
+ }
+
+ function verifyResult() {
+
+ for (var i = 0; i < actualSuspendTimes.length; i++) {
+ var scheduledOrder = suspendTimes.indexOf(actualSuspendTimes[i]);
+ var expectedOrder = expectedSuspendTimes.indexOf(actualSuspendTimes[i]);
+
+ if (i === expectedOrder) {
+ testPassed('The resolution order of suspend #' + scheduledOrder +
+ ' is ' + i + ' at ' + suspendTimes[scheduledOrder].toFixed(2) +
+ ' second(s).');
+ }
+ }
+ }
+
+ context.startRendering().then(verifyResult).then(finishJSTest);
+
+ successfullyParsed = true;
+ </script>
+
+ </body>
+</html>

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