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<head>
<title>
Test Constructor: ChannelMerger
</title>
<script src="../../resources/testharness.js"></script>
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<script src="../resources/audit-util.js"></script>
<script src="../resources/audit.js"></script>
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<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, errorType: 'InvalidStateError'},
channelCountMode: {
value: 'explicit',
isFixed: true,
errorType: '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('IndexSizeError');
options = {channelCount: 3};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
.throw('InvalidStateError');
options = {channelCountMode: 'max'};
should(
() => {
node = new ChannelMergerNode(context, options);
},
'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
.throw('InvalidStateError');
task.done();
});
audit.run();
</script>
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</html>