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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-channelmergernode-interface/ctor-channelmerger.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>
Test Constructor: ChannelMerger
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit-util.js"></script>
<script src="/webaudio/resources/audit.js"></script>
<script src="/webaudio/resources/audionodeoptions.js"></script>
</head>
<body>
<script id="layout-test-code">
let context;
let audit = Audit.createTaskRunner();
audit.define('initialize', (task, should) => {
context = initializeContext(should);
task.done();
});
audit.define('invalid constructor', (task, should) => {
testInvalidConstructor(should, 'ChannelMergerNode', context);
task.done();
});
audit.define('default constructor', (task, should) => {
let prefix = 'node0';
let node =
testDefaultConstructor(should, 'ChannelMergerNode', context, {
prefix: prefix,
numberOfInputs: 6,
numberOfOutputs: 1,
channelCount: 1,
channelCountMode: 'explicit',
channelInterpretation: 'speakers'
});
task.done();
});
audit.define('test AudioNodeOptions', (task, should) => {
testAudioNodeOptions(should, context, 'ChannelMergerNode', {
channelCount: {
value: 1,
isFixed: true,
exceptionType: 'InvalidStateError'
},
channelCountMode: {
value: 'explicit',
isFixed: true,
exceptionType: 'InvalidStateError'
}
});
task.done();
});
audit.define('constructor options', (task, should) => {
let node;
let options = {
numberOfInputs: 3,
numberOfOutputs: 9,
channelInterpretation: 'discrete'
};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'node1 = new ChannelMergerNode(context, ' +
JSON.stringify(options) + ')')
.notThrow();
should(node.numberOfInputs, 'node1.numberOfInputs')
.beEqualTo(options.numberOfInputs);
should(node.numberOfOutputs, 'node1.numberOfOutputs').beEqualTo(1);
should(node.channelInterpretation, 'node1.channelInterpretation')
.beEqualTo(options.channelInterpretation);
options = {numberOfInputs: 99};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
.throw(DOMException, 'IndexSizeError');
options = {channelCount: 3};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
.throw(DOMException, 'InvalidStateError');
options = {channelCountMode: 'max'};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
.throw(DOMException, 'InvalidStateError');
task.done();
});
audit.run();
</script>
</body>
</html>