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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-convolvernode-interface/ctor-convolver.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>
Test Constructor: Convolver
</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, 'ConvolverNode', context);
task.done();
});
audit.define('default constructor', (task, should) => {
let prefix = 'node0';
let node = testDefaultConstructor(should, 'ConvolverNode', context, {
prefix: prefix,
numberOfInputs: 1,
numberOfOutputs: 1,
channelCount: 2,
channelCountMode: 'clamped-max',
channelInterpretation: 'speakers'
});
testDefaultAttributes(
should, node, prefix,
[{name: 'normalize', value: true}, {name: 'buffer', value: null}]);
task.done();
});
audit.define('test AudioNodeOptions', (task, should) => {
// Can't use testAudioNodeOptions because the constraints for this node
// are not supported there.
let node;
// An array of tests.
[{
// Test that we can set the channel count to 1 or 2 and that other
// channel counts throw an error.
attribute: 'channelCount',
tests: [
{value: 1}, {value: 2}, {value: 0, error: 'NotSupportedError'},
{value: 3, error: 'NotSupportedError'},
{value: 99, error: 'NotSupportedError'}
]
},
{
// Test channelCountMode. A mode of "max" is illegal, but others are
// ok. But also throw an error of unknown values.
attribute: 'channelCountMode',
tests: [
{value: 'clamped-max'}, {value: 'explicit'},
{value: 'max', error: 'NotSupportedError'},
{value: 'foobar', error: TypeError}
]
},
{
// Test channelInterpretation can be set for valid values and an
// error is thrown for others.
attribute: 'channelInterpretation',
tests: [
{value: 'speakers'}, {value: 'discrete'},
{value: 'foobar', error: TypeError}
]
}].forEach(entry => {
entry.tests.forEach(testItem => {
let options = {};
options[entry.attribute] = testItem.value;
const testFunction = () => {
node = new ConvolverNode(context, options);
};
const testDescription =
`new ConvolverNode(c, ${JSON.stringify(options)})`;
if (testItem.error) {
testItem.error === TypeError
? should(testFunction, testDescription).throw(TypeError)
: should(testFunction, testDescription)
.throw(DOMException, 'NotSupportedError');
} else {
should(testFunction, testDescription).notThrow();
should(node[entry.attribute], `node.${entry.attribute}`)
.beEqualTo(options[entry.attribute]);
}
});
});
task.done();
});
audit.define('nullable buffer', (task, should) => {
let node;
let options = {buffer: null};
should(
() => {
node = new ConvolverNode(context, options);
},
'node1 = new ConvolverNode(c, ' + JSON.stringify(options))
.notThrow();
should(node.buffer, 'node1.buffer').beEqualTo(null);
task.done();
});
audit.define('illegal sample-rate', (task, should) => {
let node;
let options = {buffer: context.createBuffer(1, 1, context.sampleRate / 2)};
should(
() => {
node = new ConvolverNode(context, options);
},
'node1 = new ConvolverNode(c, ' + JSON.stringify(options))
.throw(DOMException, 'NotSupportedError');
task.done();
});
audit.define('construct with options', (task, should) => {
let buf = context.createBuffer(1, 1, context.sampleRate);
let options = {buffer: buf, disableNormalization: false};
let message =
'node = new ConvolverNode(c, ' + JSON.stringify(options) + ')';
let node;
should(() => {
node = new ConvolverNode(context, options);
}, message).notThrow();
should(node instanceof ConvolverNode, 'node1 instanceOf ConvolverNode')
.beEqualTo(true);
should(node.buffer === options.buffer, 'node1.buffer === <buf>')
.beEqualTo(true);
should(node.normalize, 'node1.normalize')
.beEqualTo(!options.disableNormalization);
options.buffer = null;
options.disableNormalization = true;
message =
'node2 = new ConvolverNode(, ' + JSON.stringify(options) + ')';
should(() => {
node = new ConvolverNode(context, options);
}, message).notThrow();
should(node.buffer, 'node2.buffer').beEqualTo(null);
should(node.normalize, 'node2.normalize')
.beEqualTo(!options.disableNormalization);
options.disableNormalization = false;
message = 'node3 = new ConvolverNode(context, ' +
JSON.stringify(options) + ')';
should(() => {
node = new ConvolverNode(context, options);
}, message).notThrow();
should(node.buffer, 'node3.buffer').beEqualTo(null);
should(node.normalize, 'node3.normalize')
.beEqualTo(!options.disableNormalization);
task.done();
});
audit.run();
</script>
</body>
</html>