Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(199)

Unified Diff: third_party/WebKit/LayoutTests/webaudio/constructor/audiobuffersource.html

Issue 2102133002: Add constructors for WebAudio nodes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase and prefix use counter names with WebAudio Created 4 years, 3 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: third_party/WebKit/LayoutTests/webaudio/constructor/audiobuffersource.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/constructor/audiobuffersource.html b/third_party/WebKit/LayoutTests/webaudio/constructor/audiobuffersource.html
new file mode 100644
index 0000000000000000000000000000000000000000..e57506c44b219484f88fa303e3d227ec8078dc6e
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/webaudio/constructor/audiobuffersource.html
@@ -0,0 +1,139 @@
+<!doctype html>
+<html>
+ <head>
+ <title>Test Constructor: AudioBufferSource</title>
+ <script src="../../resources/testharness.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
+ <script src="../resources/audio-testing.js"></script>
+ <script src="audionodeoptions.js"></script>
+ </head>
+
+ <body>
+ <script>
+ var context;
+
+ var audit = Audit.createTaskRunner();
+
+ audit.defineTask("initialize", function (taskDone) {
+ Should("context = new OfflineAudioContext(...)", function () {
+ context = new OfflineAudioContext(1, 1, 48000);
+ }).notThrow();
+
+ taskDone();
+ });
+
+ audit.defineTask("invalid constructor", function (taskDone) {
+ var node;
+ var success = true;
+
+ success = Should("new AudioBufferSourceNode()", function () {
+ node = new AudioBufferSourceNode();
+ }).throw("TypeError");
+ success = Should("new AudioBufferSourceNode(1)", function () {
+ node = new AudioBufferSourceNode(1) && success;
+ }).throw("TypeError");
+ success = Should("new AudioBufferSourceNode(c, 42)", function () {
+ node = new AudioBufferSourceNode(context, 42) && success;
+ }).throw("TypeError");
+
+ Should("Invalid constructors", success)
+ .summarize(
+ "correctly threw errors",
+ "did not throw errors in all cases");
+
+ taskDone();
+ });
+
+ audit.defineTask("default constructor", function (taskDone) {
+ var node;
+ var success = true;
+
+ success = Should("node = new AudioBufferSourceNode(c)", function () {
+ node = new AudioBufferSourceNode(context);
+ }).notThrow() && success;
+
+ success = Should("node instanceof AudioBufferSourceNode",
+ node instanceof AudioBufferSourceNode).beEqualTo(true) && success;
+
+ success = Should("node.buffer === null", node.buffer === null)
+ .beEqualTo(true) && success;
+
+ // This node using the factory method is used as a reference for the
+ // defautl values.
+ var factoryNode = context.createBufferSource();
+
+ var testAttributes = ["buffer", "detune", "loop", "loopEnd", "loopStart",
+ "playbackRate"];
+
+ for (var index in testAttributes) {
+ var name = testAttributes[index];
+
+ if (node[name] instanceof AudioParam) {
+ success = Should("node." + name + ".value", node[name].value)
+ .beEqualTo(factoryNode[name].value) && success;
+ } else {
+ success = Should("node." + name, node[name])
+ .beEqualTo(factoryNode[name]) && success;
+ }
+ }
+
+ Should("AudioBufferSourceNode constructed", success)
+ .summarize("correctly", "incorrectly");
+
+ taskDone();
+ });
+
+ audit.defineTask("constructor options", function (taskDone) {
+ var node;
+ var success = true;
+
+ var buffer = context.createBuffer(2, 1000, context.sampleRate);
+
+ var options = {
+ buffer: buffer,
+ detune: .5,
+ loop: true,
+ loopEnd: (buffer.length / 2) / context.sampleRate,
+ loopStart: 5 / context.sampleRate,
+ playbackRate: .75
+ };
+
+ message = "node = new AudioBufferSourceNode(c, " + JSON.stringify(options) + ")";
+
+ success = Should(message, function () {
+ node = new AudioBufferSourceNode(context, options);
+ }).notThrow();
+
+ // Use the factory method to create an equivalent node and compare the
+ // results from the constructor against this node.
+ var factoryNode = context.createBufferSource();
+ factoryNode.buffer = options.buffer;
+ factoryNode.detune.value = options.detune;
+ factoryNode.loop = options.loop;
+ factoryNode.loopEnd = options.loopEnd;
+ factoryNode.loopStart = options.loopStart;
+ factoryNode.playbackRate.value = options.playbackRate;
+
+ success = Should("node.buffer === buffer", node.buffer === buffer)
+ .beEqualTo(true) && success;
+ success = Should("node.detune.value", node.detune.value)
+ .beEqualTo(factoryNode.detune.value) && success;
+ success = Should("node.loop", node.loop)
+ .beEqualTo(factoryNode.loop) && success;
+ success = Should("node.loopEnd", node.loopEnd)
+ .beEqualTo(factoryNode.loopEnd) && success;
+ success = Should("node.loopStart", node.loopStart)
+ .beEqualTo(factoryNode.loopStart) && success;
+ success = Should("node.playbackRate.value", node.playbackRate.value)
+ .beEqualTo(factoryNode.playbackRate.value) && success;
+
+ Should("AudioBufferSource with options cosntructed", success)
+ .summarize("correctly", "incorrectly");
+
+ taskDone();
+ });
+
+ audit.runTasks();
+ </script>
+ </body>
+</html>

Powered by Google App Engine
This is Rietveld 408576698