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<!DOCTYPE html>
<html>
<head>
<title>
Test Constructor: Gain
</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, 'GainNode', context);
task.done();
});
audit.define('default constructor', (task, should) => {
let prefix = 'node0';
let node = testDefaultConstructor(should, 'GainNode', context, {
prefix: prefix,
numberOfInputs: 1,
numberOfOutputs: 1,
channelCount: 2,
channelCountMode: 'max',
channelInterpretation: 'speakers'
});
testDefaultAttributes(should, node, prefix, [{name: 'gain', value: 1}]);
task.done();
});
audit.define('test AudioNodeOptions', (task, should) => {
testAudioNodeOptions(should, context, 'GainNode');
task.done();
});
audit.define('constructor with options', (task, should) => {
let node;
let options = {
gain: -2,
};
should(
() => {
node = new GainNode(context, options);
},
'node1 = new GainNode(c, ' + JSON.stringify(options) + ')')
.notThrow();
should(node instanceof GainNode, 'node1 instanceof GainNode')
.beEqualTo(true);
should(node.gain.value, 'node1.gain.value').beEqualTo(options.gain);
should(node.channelCount, 'node1.channelCount').beEqualTo(2);
should(node.channelCountMode, 'node1.channelCountMode')
.beEqualTo('max');
should(node.channelInterpretation, 'node1.channelInterpretation')
.beEqualTo('speakers');
task.done();
});
audit.run();
</script>
</body>
</html>
|
