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

Issue 2713793004: Add dictionary for OfflineAudioContext constructor (Closed)
Patch Set: Rebase Created 3 years, 5 months ago
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Index: third_party/WebKit/LayoutTests/webaudio/constructor/offlineaudiocontext.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/constructor/offlineaudiocontext.html b/third_party/WebKit/LayoutTests/webaudio/constructor/offlineaudiocontext.html
new file mode 100644
index 0000000000000000000000000000000000000000..7c03e6de88fc173bbb8f7dd68c03747b246d9092
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/webaudio/constructor/offlineaudiocontext.html
@@ -0,0 +1,216 @@
+<!doctype html>
+<html>
+ <head>
+ <title>Test Constructor: OfflineAudioContext</title>
+ <script src="../../resources/testharness.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
+ <script src="../resources/audit.js"></script>
+ <script src="../resources/audit-util.js"></script>
+ <script src="audionodeoptions.js"></script>
+ </head>
+
+ <body>
+ <script>
+ let audit = Audit.createTaskRunner();
+
+ // Just a simple test of the 3-arg constructor; This should be
+ // well-covered by other layout tests that use the 3-arg constructor.
+ audit.define(
+ {label: 'basic', description: 'Old-style constructor'},
+ (task, should) => {
+ let context;
+
+ // First and only arg should be a dictionary.
+ should(() => {
+ new OfflineAudioContext(3);
+ }, 'new OfflineAudioContext(3)').throw();
+
+ // Constructor needs 1 or 3 args, so 2 should throw.
+ should(() => {
+ new OfflineAudioContext(3, 42);
+ }, 'new OfflineAudioContext(3, 42)').throw();
+
+ // Valid constructor
+ should(() => {
+ context = new OfflineAudioContext(3, 42, 12345);
+ }, 'context = new OfflineAudioContext(3, 42, 12345)').notThrow();
+
+ // Verify that the context was constructed correctly.
+ should(context.length, 'context.length').beEqualTo(42);
+ should(context.sampleRate, 'context.sampleRate').beEqualTo(12345);
+ should(
+ context.destination.channelCount,
+ 'context.destination.channelCount')
+ .beEqualTo(3);
+ should(
+ context.destination.channelCountMode,
+ 'context.destination.channelCountMode')
+ .beEqualTo('explicit');
+ should(
+ context.destination.channelInterpretation,
+ 'context.destination.channelInterpretation')
+ .beEqualTo('speakers');
+ task.done();
+ });
+
+ // Test constructor throws an error if the required members of the
+ // dictionary are not given.
+ audit.define(
+ {label: 'options-1', description: 'Required options'},
+ (task, should) => {
+ let context2;
+
+ // No args should throw
+ should(() => {
+ new OfflineAudioContext();
+ }, 'new OfflineAudioContext()').throw();
+
+ // Empty OfflineAudioContextOptions should throw
+ should(() => {
+ new OfflineAudioContext({});
+ }, 'new OfflineAudioContext({})').throw();
+
+ // Invalid type should throw
+ should(() => {
+ new OfflineAudioContext(42);
+ }, 'new OfflineAudioContext(42)').throw();
+
+ let options = {length: 42};
+ // sampleRate is required.
+ should(
+ () => {
+ new OfflineAudioContext(options);
+ },
+ 'new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .throw();
+
+ options = {sampleRate: 12345};
+ // length is required.
+ should(
+ () => {
+ new OfflineAudioContext(options);
+ },
+ 'new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .throw();
+
+ // Valid constructor. Verify that the resulting context has the
+ // correct values.
+ options = {length: 42, sampleRate: 12345};
+ should(
+ () => {
+ context2 = new OfflineAudioContext(options);
+ },
+ 'c2 = new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .notThrow();
+ should(
+ context2.destination.channelCount,
+ 'c2.destination.channelCount')
+ .beEqualTo(1);
+ should(context2.length, 'c2.length').beEqualTo(options.length);
+ should(context2.sampleRate, 'c2.sampleRate')
+ .beEqualTo(options.sampleRate);
+ should(
+ context2.destination.channelCountMode,
+ 'c2.destination.channelCountMode')
+ .beEqualTo('explicit');
+ should(
+ context2.destination.channelInterpretation,
+ 'c2.destination.channelInterpretation')
+ .beEqualTo('speakers');
+
+ task.done();
+ });
+
+ // Constructor should throw errors for invalid values specified by
+ // OfflineAudioContextOptions.
+ audit.define(
+ {label: 'options-2', description: 'Invalid options'},
+ (task, should) => {
+ let options = {length: 42, sampleRate: 8000, numberOfChannels: 33};
+
+ // channelCount too large.
+ should(
+ () => {
+ new OfflineAudioContext(options);
+ },
+ 'new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .throw('NotSupportedError');
+
+ // length cannot be 0
+ options = {length: 0, sampleRate: 8000};
+ should(
+ () => {
+ new OfflineAudioContext(options);
+ },
+ 'new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .throw('NotSupportedError');
+
+ // sampleRate outside valid range
+ options = {length: 1, sampleRate: 1};
+ should(
+ () => {
+ new OfflineAudioContext(options);
+ },
+ 'new OfflineAudioContext(' + JSON.stringify(options) + ')')
+ .throw('NotSupportedError');
+
+ task.done();
+ });
+
+ audit.define(
+ {label: 'options-3', description: 'Valid options'},
+ (task, should) => {
+ let context;
+ let options = {
+ length: 1,
+ sampleRate: 8000,
+ };
+
+ // Verify context with valid constructor has the correct values.
+ should(
+ () => {
+ context = new OfflineAudioContext(options);
+ },
+ 'c = new OfflineAudioContext' + JSON.stringify(options) + ')')
+ .notThrow();
+ should(
+ context.length,
+ 'c.length')
+ .beEqualTo(options.length);
+ should(
+ context.sampleRate,
+ 'c.sampleRate')
+ .beEqualTo(options.sampleRate);
+ should(
+ context.destination.channelCount,
+ 'c.destination.channelCount')
+ .beEqualTo(1);
+ should(
+ context.destination.channelCountMode,
+ 'c.destination.channelCountMode')
+ .beEqualTo("explicit");
+ should(
+ context.destination.channelInterpretation,
+ 'c.destination.channelCountMode')
+ .beEqualTo("speakers");
+
+ options.numberOfChannels = 7;
+ should(
+ () => {
+ context = new OfflineAudioContext(options);
+ },
+ 'c = new OfflineAudioContext' + JSON.stringify(options) + ')')
+ .notThrow();
+ should(
+ context.destination.channelCount,
+ 'c.destination.channelCount')
+ .beEqualTo(options.numberOfChannels);
+
+ task.done();
+ });
+
+ audit.run();
+
+ </script>
+ </body>
+</html>
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