| Index: third_party/WebKit/LayoutTests/webaudio/audioparam-large-endtime.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/audioparam-large-endtime.html b/third_party/WebKit/LayoutTests/webaudio/audioparam-large-endtime.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..99523d2c0c3f6b7ff6e0c7026285e460bef1506f
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/audioparam-large-endtime.html
|
| @@ -0,0 +1,75 @@
|
| +<!doctype html>
|
| +<html>
|
| + <head>
|
| + <script src="../resources/js-test.js"></script>
|
| + <script src="resources/compatibility.js"></script>
|
| + <script src="resources/audio-testing.js"></script>
|
| + <title>AudioParam with Huge End Time</title>
|
| + </head>
|
| +
|
| + <body>
|
| + <script>
|
| + description("Test AudioParam with Huge Time Value")
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var sampleRate = 48000;
|
| + // Render for some small (but fairly arbitrary) time.
|
| + var renderDuration = 0.125;
|
| + // Any huge time value that won't fit in a size_t (2^64 on a 64-bit machine).
|
| + var largeTime = 1e300;
|
| +
|
| + var audit = Audit.createTaskRunner();
|
| +
|
| + // See crbug.com/582701. Create an audioparam with a huge end time and verify that to
|
| + // automation is run. We don't care about the actual results, just that it runs.
|
| +
|
| + // Test linear ramp with huge end time
|
| + audit.defineTask("linearRamp", function (done) {
|
| + var graph = createGraph();
|
| + graph.gain.gain.linearRampToValueAtTime(0.1, largeTime);
|
| +
|
| + graph.source.start();
|
| + graph.context.startRendering().then(function (buffer) {
|
| + testPassed("linearRampToValue(0.1, " + largeTime + ") successfully rendered.");
|
| + }).then(done);
|
| + });
|
| +
|
| + // Test exponential ramp with huge end time
|
| + audit.defineTask("exponentialRamp", function (done) {
|
| + var graph = createGraph();
|
| + graph.gain.gain.exponentialRampToValueAtTime(.1, largeTime);
|
| +
|
| + graph.source.start();
|
| + graph.context.startRendering().then(function (buffer) {
|
| + testPassed("exponentialRampToValue(0.1, " + largeTime + ") successfully rendered.");
|
| + }).then(done);
|
| + });
|
| +
|
| + audit.defineTask("finish", function (done) {
|
| + finishJSTest();
|
| + done();
|
| + });
|
| +
|
| + audit.runTasks();
|
| +
|
| + // Create the graph and return the context, the source, and the gain node.
|
| + function createGraph() {
|
| + var context = new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
|
| + var src = context.createBufferSource();
|
| + src.buffer = createConstantBuffer(context, 1, 1);
|
| + src.loop = true;
|
| + var gain = context.createGain();
|
| + src.connect(gain);
|
| + gain.connect(context.destination);
|
| + gain.gain.setValueAtTime(1, 0.1 / sampleRate);
|
| +
|
| + return {
|
| + context: context,
|
| + gain: gain,
|
| + source: src
|
| + };
|
| + }
|
| +
|
| + </script>
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1674173003:
Carefully handle large end time values in AudioParam automations (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@2623