67 lines
2.2 KiB
HTML
67 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>
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audiochannelmerger-basic.html
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</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/webaudio/resources/audit-util.js"></script>
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<script src="/webaudio/resources/audit.js"></script>
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</head>
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<body>
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<script id="layout-test-code">
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let audit = Audit.createTaskRunner();
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// Task: Checking constraints in ChannelMergerNode.
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audit.define('exceptions-channels', (task, should) => {
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let context = new OfflineAudioContext(2, 128, 44100);
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let merger;
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should(function() {
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merger = context.createChannelMerger();
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}, 'context.createChannelMerger()').notThrow();
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should(function() {
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merger = context.createChannelMerger(0);
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}, 'context.createChannelMerger(0)').throw(DOMException, 'IndexSizeError');
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should(function() {
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merger = context.createChannelMerger(32);
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}, 'context.createChannelMerger(32)').notThrow();
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// Can't create a channel merger with 33 channels because the audio
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// context has a 32-channel-limit in Chrome.
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should(function() {
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merger = context.createChannelMerger(33);
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}, 'context.createChannelMerger(33)').throw(DOMException, 'IndexSizeError');
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task.done();
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});
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// Task: checking the channel-related properties have the correct value
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// and can't be changed.
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audit.define('exceptions-properties', (task, should) => {
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let context = new OfflineAudioContext(2, 128, 44100);
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let merger = context.createChannelMerger();
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should(merger.channelCount, 'merger.channelCount').beEqualTo(1);
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should(function() {
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merger.channelCount = 3;
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}, 'merger.channelCount = 3').throw(DOMException, 'InvalidStateError');
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should(merger.channelCountMode, 'merger.channelCountMode')
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.beEqualTo('explicit');
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should(function() {
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merger.channelCountMode = 'max';
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}, 'merger.channelCountMode = "max"').throw(DOMException, 'InvalidStateError');
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task.done();
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});
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audit.run();
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</script>
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</body>
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</html>
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