| <!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("Basic tests for ChannelMerger."); |
| window.jsTestIsAsync = true; |
| |
| var audit = Audit.createTaskRunner(); |
| |
| // Task: Checking constraints in ChannelMergerNode. |
| audit.defineTask('exceptions-channels', function (done) { |
| var context = new OfflineAudioContext(2, 128, 44100); |
| var merger; |
| |
| Should('context.createChannelMerger()', function () { |
| merger = context.createChannelMerger(); |
| }).notThrow(); |
| |
| Should('context.createChannelMerger(0)', function () { |
| merger = context.createChannelMerger(0); |
| }).throw('IndexSizeError'); |
| |
| Should('context.createChannelMerger(32)', function () { |
| merger = context.createChannelMerger(32); |
| }).notThrow(); |
| |
| // Can't create a channel merger with 33 channels because the audio |
| // context has a 32-channel-limit in Chrome. |
| Should('context.createChannelMerger(33)', function () { |
| merger = context.createChannelMerger(33); |
| }).throw('IndexSizeError'); |
| |
| done(); |
| }); |
| |
| // Task: checking the channel-related properties have the correct value and |
| // can't be changed. |
| audit.defineTask('exceptions-properties', function (done) { |
| var context = new OfflineAudioContext(2, 128, 44100); |
| var merger = context.createChannelMerger(); |
| |
| Should('merger.channelCount', merger.channelCount).beEqualTo(1); |
| |
| Should('merger.channelCount = 3', function () { |
| merger.channelCount = 3; |
| }).throw('InvalidStateError'); |
| |
| Should('merger.channelCountMode', merger.channelCountMode).beEqualTo('explicit'); |
| |
| Should('merger.channelCountMode = "max"', function () { |
| merger.channelCountMode = 'max'; |
| }).throw('InvalidStateError'); |
| |
| done(); |
| }); |
| |
| audit.defineTask('finish', function (done) { |
| finishJSTest(); |
| done(); |
| }); |
| |
| audit.runTasks( |
| 'exceptions-channels', |
| 'exceptions-properties', |
| 'finish' |
| ); |
| |
| successfullyParsed = true; |
| </script> |
| </body> |
| |
| </html> |
