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<title>
dom-exceptions.html
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<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="resources/audit-util.js"></script>
<script src="resources/audit.js"></script>
<script src="../resources/sab-polyfill.js"></script>
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<body>
<script id="layout-test-code">
let audit = Audit.createTaskRunner();
let context;
let otherContext;
let node;
let node2;
let mode;
let panner;
let script;
let source;
function shouldThrowAndBeUnchanged(should, node, attr, value) {
should(
() => node[attr] = value,
node.constructor.name + '.' + attr + ' = ' + value)
.throw();
should(node[attr], node.constructor.name + '.' + attr)
.notBeEqualTo(value);
}
audit.define(
{label: 'initialize', description: 'Initialize contexts for testing'},
(task, should) => {
should(() => {
context = new AudioContext();
}, 'context = new AudioContext()').notThrow();
should(() => {
otherContext = new AudioContext();
}, 'otherContext = new AudioContext()').notThrow();
task.done();
});
audit.define('createBuffer', (task, should) => {
// Invalid number of channels: NotSupportedError
should(
() => context.createBuffer(99, 1, context.sampleRate),
'context.createBuffer(99, 1, context.sampleRate)')
.throw(DOMException, 'NotSupportedError');
should(
() => context.createBuffer(0, 1, context.sampleRate),
'context.createBuffer(0, 1, context.sampleRate)')
.throw(DOMException, 'NotSupportedError');
// Invalid sample rate: NotSupportedError
should(
() => context.createBuffer(1, 1, 1),
'context.createBuffer(1, 1, 1)')
.throw(DOMException, 'NotSupportedError');
should(
() => context.createBuffer(1, 1, 2999),
'context.createBuffer(1, 1, 2999)')
.throw(DOMException, 'NotSupportedError');
should(
() => context.createBuffer(1, 1, 768001),
'context.createBuffer(1, 1, 768001)')
.throw(DOMException, 'NotSupportedError');
should(
() => context.createBuffer(1, 1, 1e6),
'context.createBuffer(1, 1, 1e6)')
.throw(DOMException, 'NotSupportedError');
// Check valid values from crbug.com/344375
should(
() => context.createBuffer(1, 1, 3000),
'context.createBuffer(1, 1, 3000)')
.notThrow();
should(
() => context.createBuffer(1, 1, 192000),
'context.createBuffer(1, 1, 192000)')
.notThrow();
should(
() => context.createBuffer(1, 1, 768000),
'context.createBuffer(1, 1, 768000)')
.notThrow();
// Invalid number of frames: NotSupportedError
should(
() => context.createBuffer(1, 0, context.sampleRate),
'context.createBuffer(1, 0, context.sampleRate)')
.throw(DOMException, 'NotSupportedError');
// 2-arg createBuffer not allowed.
should(
() => context.createBuffer(new ArrayBuffer(100), true),
'context.createBuffer(new ArrayBuffer(100), true)')
.throw(TypeError);
task.done();
});
audit.define('createMediaElementSource', (task, should) => {
// Invalid sources (unspecified error)
should(
() => context.createMediaElementSource(null),
'context.createMediaElementSource(null)')
.throw();
task.done();
});
audit.define('createMediaStreamSource', (task, should) => {
// Invalid sources (unspecified error)
should(
() => context.createMediaStreamSource(null),
'context.createMediaStreamSource(null)')
.throw();
task.done();
});
audit.define('createScriptProcessor', (task, should) => {
// Invalid buffer size: IndexSizeError
should(
() => context.createScriptProcessor(1, 1, 1),
'context.createScriptProcessor(1, 1, 1)')
.throw(DOMException, 'IndexSizeError');
// Invalid number of inputs and outputs: IndexSizeError
should(
() => context.createScriptProcessor(4096, 100, 1),
'context.createScriptProcessor(4096, 100, 1)')
.throw(DOMException, 'IndexSizeError');
should(
() => context.createScriptProcessor(4096, 1, 100),
'context.createScriptProcessor(4096, 1, 100)')
.throw(DOMException, 'IndexSizeError');
should(
() => context.createScriptProcessor(),
'context.createScriptProcessor()')
.notThrow();
should(
() => context.createScriptProcessor(0),
'context.createScriptProcessor(0)')
.notThrow();
task.done();
});
audit.define('createChannelSplitter', (task, should) => {
// Invalid number of channels: IndexSizeError
should(
() => context.createChannelSplitter(0),
'context.createChannelSplitter(0)')
.throw(DOMException, 'IndexSizeError');
should(
() => context.createChannelSplitter(99),
'context.createChannelSplitter(99)')
.throw(DOMException, 'IndexSizeError');
should(
() => context.createChannelMerger(0),
'context.createChannelMerger(0)')
.throw(DOMException, 'IndexSizeError');
task.done();
});
audit.define('createChannelMerger', (task, should) => {
// Invalid number of channels: IndexSizeError
should(
() => context.createChannelMerger(99),
'context.createChannelMerger(99)')
.throw(DOMException, 'IndexSizeError');
task.done();
});
audit.define('createPeriodicWave', (task, should) => {
// Invalid real/imag arrays: IndexSizeError
should(
() => context.createPeriodicWave(null, null),
'context.createPeriodicWave(null, null)')
.throw(TypeError);
should(
() => context.createPeriodicWave(new Float32Array(10), null),
'context.createPeriodicWave(new Float32Array(10), null)')
.throw(TypeError);
// Verify that we can use large arrays with no limit. Roughly.
should(
() => context.createPeriodicWave(
new Float32Array(4100), new Float32Array(4100)),
'context.createPeriodicWave(new Float32Array(4100), new Float32Array(4100))')
.notThrow();
should(
() => context.createPeriodicWave(
new Float32Array(8192), new Float32Array(8192)),
'context.createPeriodicWave(new Float32Array(8192), new Float32Array(8192))')
.notThrow();
should(
() => context.createPeriodicWave(
new Float32Array(10000), new Float32Array(10000)),
'context.createPeriodicWave(new Float32Array(10000), new Float32Array(10000))')
.notThrow();
// Real and imaginary arrays must have the same size: IndexSizeError
should(
() => context.createPeriodicWave(
new Float32Array(10), new Float32Array(7)),
'context.createPeriodicWave(new Float32Array(10), new Float32Array(7))')
.throw(DOMException, 'IndexSizeError');
task.done();
});
audit.define('createAnalyser', (task, should) => {
// Analysers
node = context.createAnalyser();
// Invalid fftSize: IndexSizeError
shouldThrowAndBeUnchanged(should, node, 'fftSize', '42');
shouldThrowAndBeUnchanged(should, node, 'fftSize', '16');
should(() => node.fftSize = 32768, 'AnalyserNode.fftSize = 32768')
.notThrow();
shouldThrowAndBeUnchanged(should, node, 'fftSize', '65536');
shouldThrowAndBeUnchanged(should, node, 'minDecibels', '-10');
shouldThrowAndBeUnchanged(should, node, 'maxDecibels', '-150');
shouldThrowAndBeUnchanged(should, node, 'minDecibels', '-30');
shouldThrowAndBeUnchanged(should, node, 'maxDecibels', '-100');
shouldThrowAndBeUnchanged(
should, node, 'smoothingTimeConstant', '-0.1');
shouldThrowAndBeUnchanged(should, node, 'smoothingTimeConstant', '1.5');
should(
() => node.getFloatFrequencyData(null),
'AnalyserNode.getFloatFrequencyData(null)')
.throw();
should(
() => node.getByteFrequencyData(null),
node.constructor.name + '.getByteFrequencyData(null)')
.throw();
should(
() => node.getFloatTimeDomainData(null),
node.constructor.name + '.getFloatTimeDomainData(null)')
.throw();
should(
() => node.getByteTimeDomainData(null),
node.constructor.name + '.getByteTimeDomainData(null)')
.throw();
if (window.SharedArrayBuffer) {
should(
() => node.getFloatFrequencyData(
new Float32Array(new SharedArrayBuffer(16))),
'AnalyserNode.getFloatFrequencyData(SharedArrayBuffer view)')
.throw();
should(
() => node.getByteFrequencyData(
new Uint8Array(new SharedArrayBuffer(16))),
node.constructor.name +
'.getByteFrequencyData(SharedArrayBuffer view)')
.throw();
should(
() => node.getFloatTimeDomainData(
new Float32Array(new SharedArrayBuffer(16))),
node.constructor.name +
'.getFloatTimeDomainData(SharedArrayBuffer view)')
.throw();
should(
() => node.getByteTimeDomainData(
new Uint8Array(new SharedArrayBuffer(16))),
node.constructor.name +
'.getByteTimeDomainData(SharedArrayBuffer view)')
.throw();
}
// AudioBuffers
node = context.createBuffer(1, 1, context.sampleRate);
// Invalid channel index: IndexSizeError
should(
() => node.getChannelData(2),
node.constructor.name + '.getChannelData(2)')
.throw();
task.done();
});
audit.define(
{
label: 'Init test nodes',
description: 'Create test nodes for the following tests'
},
(task, should) => {
should(() => {
node = context.createGain();
}, 'node = context.createGain()').notThrow();
should(() => {
node2 = context.createGain();
}, 'node2 = context.createGain()').notThrow();
task.done();
});
audit.define(
{label: 'connections', description: 'AudioNode connections'},
(task, should) => {
// AudioNode connections
// Invalid destination node (unspecified error)
should(() => node.connect(null, 0, 0), 'node.connect(null, 0, 0)')
.throw();
// Invalid input or output index: IndexSizeError
should(
() => node.connect(context.destination, 100, 0),
'node.connect(context.destination, 100, 0)')
.throw(DOMException, 'IndexSizeError');
should(
() => node.connect(context.destination, 0, 100),
'node.connect(context.destination, 0, 100)')
.throw(DOMException, 'IndexSizeError');
should(
() => node.connect(node2.gain, 100),
'node.connect(node2.gain, 100)')
.throw(DOMException, 'IndexSizeError');
should(() => node.disconnect(99), 'node.disconnect(99)')
.throw(DOMException, 'IndexSizeError');
// Can't connect to a different context (unspecified error)
should(
() => node.connect(otherContext.destination),
'node.connect(otherContext.destination)')
.throw();
task.done();
});
audit.define(
{
label: 'channel-stuff',
description: 'channelCount, channelCountMode, channelInterpretation'
},
(task, should) => {
// Invalid channel count: NotSupportedError
shouldThrowAndBeUnchanged(should, node, 'channelCount', '99');
// Invalid mode or interpretation (unspecified error)
currentMode = node.channelCountMode;
currentInterpretation = node.channelInterpretation;
should(
() => node.channelCountMode = 'fancy',
'node.channelCountMode = "fancy"')
.notThrow();
should(node.channelCountMode, 'node.channelCountMode')
.beEqualTo(currentMode);
should(
() => node.channelInterpretation = mode,
'node.channelInterpretation = mode')
.notThrow();
should(node.channelInterpretation, 'node.channelInterpretation')
.beEqualTo(currentInterpretation);
// Destination node channel count: should throw IndexSizeError on
// invalid channel count. shouldNotThrow() method cannot be used
// because the error message includes the number of channels, which
// can change depending on the actual attached hardware.
should(
() => context.destination.channelCount = 99,
'context.destination.channelCount = 99')
.throw(DOMException, 'IndexSizeError', {omitErrorMessage: true});
task.done();
});
audit.define('audioparam', (task, should) => {
// AudioParams
param = context.createGain().gain;
should(
() => param.setValueCurveAtTime(null, 0, 0),
'param.setValueCurveAtTime(null, 0, 0)')
.throw();
// exponentialRampToValue should throw only for "zero" target values.
should(
() => node.gain.exponentialRampToValueAtTime(-1, 0.1),
'node.gain.exponentialRampToValueAtTime(-1, 0.1)')
.notThrow();
should(
() => node.gain.exponentialRampToValueAtTime(0, 0.1),
'node.gain.exponentialRampToValueAtTime(0, 0.1)')
.throw();
// 1e-100 is 0 when converted to a single precision float.
should(
() => node.gain.exponentialRampToValueAtTime(1e-100, 0.1),
'node.gain.exponentialRampToValueAtTime(1e-100, 0.1)')
.throw();
// See crbug.com/459391.
// Math.pow(2, -149) = 1.401298464324817e-45 is the double-float value
// of the least positive single float number. We do it this way to make
// sure no round-off or conversion errors happen when reading
// 1.401298464324817e-45.
should(
() =>
node.gain.exponentialRampToValueAtTime(Math.pow(2, -149), 0.1),
'node.gain.exponentialRampToValueAtTime(Math.pow(2, -149), 0.1)')
.notThrow();
// Math.pow(2, -150) = 7.006492321624085d-46 is the largest double float
// value such that conversion to a float produces 0. Any larger value
// would produce a non-zero value when converted to a single float.
should(
() =>
node.gain.exponentialRampToValueAtTime(Math.pow(2, -150), 0.1),
'node.gain.exponentialRampToValueAtTime(Math.pow(2, -150), 0.1)')
.throw();
task.done();
});
audit.define('biquad', (task, should) => {
// BiquadFilterNode
node = context.createBiquadFilter();
should(
() => node.getFrequencyResponse(
new Float32Array(1), new Float32Array(1), new Float32Array(1)),
'node.getFrequencyResponse(new Float32Array(1), new Float32Array(1), new Float32Array(1))')
.notThrow();
should(
() => node.getFrequencyResponse(
null, new Float32Array(1), new Float32Array(1)),
'node.getFrequencyResponse(null, new Float32Array(1), new Float32Array(1))')
.throw();
should(
() => node.getFrequencyResponse(
new Float32Array(1), null, new Float32Array(1)),
'node.getFrequencyResponse(new Float32Array(1), null, new Float32Array(1))')
.throw();
should(
() => node.getFrequencyResponse(
new Float32Array(1), new Float32Array(1), null),
'node.getFrequencyResponse(new Float32Array(1), new Float32Array(1), null)')
.throw();
if (window.SharedArrayBuffer) {
let shared_view = new Float32Array(new SharedArrayBuffer(4));
let nonshared_view = new Float32Array(1);
should(
() => node.getFrequencyResponse(
shared_view, nonshared_view, nonshared_view),
'node.getFrequencyResponse(shared_view, nonshared_view, nonshared_view)')
.throw();
should(
() => node.getFrequencyResponse(
nonshared_view, shared_view, nonshared_view),
'node.getFrequencyResponse(nonshared_view, shared_view, nonshared_view)')
.throw();
should(
() => node.getFrequencyResponse(
nonshared_view, nonshared_view, shared_view),
'node.getFrequencyResponse(nonshared_view, nonshared_view, shared_view)')
.throw();
}
task.done();
});
audit.define(
{label: 'offline-audio-context', description: 'supports 32 channels'},
(task, should) => {
// OfflineAudioContext
// Max supported channels
should(
() => new OfflineAudioContext(32, 100, context.sampleRate),
'new OfflineAudioContext(32, 100, context.sampleRate)')
.notThrow();
task.done();
});
audit.define(
{
label: 'invalid-offline-audio-context-parameters',
description: 'errors for invalid channel counts'
},
(task, should) => {
// Invalid number of channels
should(
() => new OfflineAudioContext(0, 100, context.sampleRate),
'new OfflineAudioContext(0, 100, context.sampleRate)')
.throw(DOMException, 'NotSupportedError');
should(
() => new OfflineAudioContext(99, 100, context.sampleRate),
'new OfflineAudioContext(99, 100, context.sampleRate)')
.throw(DOMException, 'NotSupportedError');
// Invalid sample rate.
should(
() => new OfflineAudioContext(1, 100, 1),
'new OfflineAudioContext(1, 100, 1)')
.throw(DOMException, 'NotSupportedError');
should(
() => new OfflineAudioContext(1, 100, 1e6),
'new OfflineAudioContext(1, 100, 1e6)')
.throw(DOMException, 'NotSupportedError');
should(
() => new OfflineAudioContext(1, 0, 44100),
'new OfflineAudioContext(1, 0, 44100)')
.throw(DOMException, 'NotSupportedError');
task.done();
});
audit.define('invalid-frame-length', (task, should) => {
// Invalid frame length (crbug.com/351277)
let testContext;
should(
() => testContext =
new OfflineAudioContext(1, -88200000000000, 44100),
'testContext = new OfflineAudioContext(1, -88200000000000, 44100)')
.notThrow();
should(testContext.startRendering(), 'testContext.startRendering()')
.beRejected()
.then(() => task.done());
});
audit.define('waveshaper', (task, should) => {
// WaveShaper types
node = context.createWaveShaper();
currentOversample = node.oversample;
should(() => node.oversample = '9x', 'node.oversample = "9x"')
.notThrow();
should(node.oversample, 'node.oversample').beEqualTo(currentOversample);
should(() => node.curve = {}, 'node.curve = {}').throw();
should(
() => node.curve = new Float32Array(1),
'node.curve = new Float32Array(1)')
.throw();
should(node.curve, 'node.curve').beEqualTo(null);
should(
() => node.curve = new Float32Array(2),
'node.curve = new Float32Array(2)')
.notThrow();
should(() => node.curve = null, 'node.curve = null').notThrow();
task.done();
});
audit.define(
{
label: 'audio-buffer-source',
description: 'AudioBufferSource start/stop'
},
(task, should) => {
// Start/stop for AudioBufferSourceNodes
buffer = context.createBuffer(1, 1, context.sampleRate);
should(
() => source = context.createBufferSource(),
'source = context.createBufferSource()')
.notThrow();
should(() => {source.buffer = buffer}, 'source.buffer = buffer')
.notThrow();
should(
() => source.buffer =
context.createBuffer(1, 10, context.sampleRate),
'source.buffer = context.createBuffer(1, 10, context.sampleRate)')
.throw();
should(() => {source.start(-1)}, 'source.start(-1)').throw();
should(() => {source.start(Infinity)}, 'source.start(Infinity)')
.throw();
should(() => {source.start(-Infinity)}, 'source.start(-Infinity)')
.throw();
should(() => {source.start(NaN)}, 'source.start(NaN)').throw();
should(
() => {source.start(1, Infinity)}, 'source.start(1, Infinity)')
.throw();
should(
() => {source.start(1, -Infinity)},
'source.start(1, -Infinity)')
.throw();
should(() => {source.start(1, NaN)}, 'source.start(1, NaN)')
.throw();
should(() => {source.start(1, -1)}, 'source.start(1, -1)').throw();
should(
() => {source.start(1, -Number.MIN_VALUE)},
'source.start(1, -Number.MIN_VALUE)')
.throw();
should(
() => {source.start(1, 1, Infinity)},
'source.start(1, 1, Infinity)')
.throw();
should(
() => {source.start(1, 1, -Infinity)},
'source.start(1, 1, -Infinity)')
.throw();
should(() => {source.start(1, 1, NaN)}, 'source.start(1, 1, NaN)')
.throw();
should(() => {source.start(1, 1, -1)}, 'source.start(1, 1, -1)')
.throw();
should(
() => {source.start(1, 1, -Number.MIN_VALUE)},
'source.start(1, 1, -Number.MIN_VALUE)')
.throw();
should(() => source.start(), 'source.start()').notThrow();
should(
() => source.stop(-Number.MIN_VALUE),
'source.stop(-Number.MIN_VALUE)')
.throw();
should(() => source.stop(Infinity), 'source.stop(Infinity)')
.throw();
should(() => source.stop(-Infinity), 'source.stop(-Infinity)')
.throw();
should(() => source.stop(NaN), 'source.stop(NaN)').throw();
should(() => source.stop(), 'source.stop()').notThrow();
// Verify that start(0, 0) doesn't signal.
let source2;
should(
() => {source2 = context.createBufferSource()},
'source2 = context.createBufferSource()')
.notThrow();
should(() => source2.buffer = buffer, 'source2.buffer = buffer')
.notThrow();
should(() => source2.start(0, 0), 'source2.start(0, 0)').notThrow();
// Verify that start(0, -0.0) doesn't signal.
let source3;
should(
() => source3 = context.createBufferSource(),
'source3 = context.createBufferSource()')
.notThrow();
should(() => source3.buffer = buffer, 'source3.buffer = buffer')
.notThrow();
should(
() => source3.start(0, -1 / Infinity),
'source3.start(0, -1/Infinity)')
.notThrow();
// It's not clear from the spec, but I think it's valid to call
// start(). The spec is silent on what happens if we call stop()
// afterwards, so don't call it.
let source4;
should(
() => source4 = context.createBufferSource(),
'source4 = context.createBufferSource()')
.notThrow();
should(() => source4.start(), 'source4.start()').notThrow();
buffer = context.createBuffer(1, 1, context.sampleRate);
let source5;
should(
() => source5 = context.createBufferSource(),
'source5 = context.createBufferSource()')
.notThrow();
should(() => source5.buffer = buffer, 'source5.buffer = buffer')
.notThrow();
should(() => source5.stop(), 'source5.stop()').throw();
buffer = context.createBuffer(1, 1, context.sampleRate);
let source6;
should(
() => source6 = context.createBufferSource(),
'source6 = context.createBufferSource()')
.notThrow();
should(() => source6.buffer = buffer, 'source6.buffer = buffer')
.notThrow();
should(() => source6.start(), 'source6.start()').notThrow();
should(() => source6.start(), 'source6.start()').throw();
buffer = context.createBuffer(1, 1, context.sampleRate);
let source7;
should(
() => source7 = context.createBufferSource(),
'source7 = context.createBufferSource()')
.notThrow();
should(() => source7.buffer = buffer, 'source7.buffer = buffer')
.notThrow();
should(() => source7.start(), 'source7.start()').notThrow();
should(() => source7.stop(), 'source7.stop()').notThrow();
task.done();
});
audit.define(
{label: 'oscillator', description: 'start/stop'}, (task, should) => {
let source8;
// Start/stop for OscillatorNodes
should(
() => source8 = context.createOscillator(),
'source8 = context.createOscillator()')
.notThrow();
should(
() => source8.start(-Number.MIN_VALUE),
'source8.start(-Number.MIN_VALUE)')
.throw();
should(() => source8.start(Infinity), 'source8.start(Infinity)')
.throw();
should(() => source8.start(-Infinity), 'source8.start(-Infinity)')
.throw();
should(() => source8.start(NaN), 'source8.start(NaN)').throw();
should(() => source8.start(), 'source8.start()').notThrow();
should(
() => source8.stop(-Number.MIN_VALUE),
'source8.stop(-Number.MIN_VALUE)')
.throw();
should(() => source8.stop(Infinity), 'source8.stop(Infinity)')
.throw();
should(() => source8.stop(-Infinity), 'source8.stop(-Infinity)')
.throw();
should(() => source8.stop(NaN), 'source8.stop(NaN)').throw();
should(() => source8.stop(), 'source8.stop()').notThrow();
should(
() => osc = context.createOscillator(),
'osc = context.createOscillator()')
.notThrow();
should(() => osc.stop(), 'osc.stop()').throw();
should(
() => osc1 = context.createOscillator(),
'osc1 = context.createOscillator()')
.notThrow();
should(() => osc1.start(), 'osc1.start()').notThrow();
should(() => osc1.stop(), 'osc1.stop()').notThrow();
should(() => osc.setPeriodicWave(null), 'osc.setPeriodicWave(null)')
.throw();
task.done();
});
audit.define('convolver', (task, should) => {
// Convolver buffer rate must match context rate. Create on offline
// context so we specify the context rate exactly, in case the test is
// run on platforms with different HW sample rates.
let oc;
should(
() => oc = new OfflineAudioContext(1, 44100, 44100),
'oc = new OfflineAudioContext(1, 44100, 44100)')
.notThrow();
should(() => conv = oc.createConvolver(), 'conv = oc.createConvolver()')
.notThrow();
should(() => conv.buffer = {}, 'conv.buffer = {}').throw();
should(
() => conv.buffer = oc.createBuffer(1, 100, 22050),
'conv.buffer = oc.createBuffer(1, 100, 22050)')
.throw();
// conv.buffer should be unchanged (null) because the above failed.
should(conv.buffer, 'conv.buffer').beEqualTo(null);
task.done();
});
audit.define('panner', (task, should) => {
// PannerNode channel count and mode
panner = context.createPanner();
// Channel count can only be set to 1 or 2.
should(() => panner.channelCount = 1, 'panner.channelCount = 1')
.notThrow();
should(() => panner.channelCount = 2, 'panner.channelCount = 2')
.notThrow();
shouldThrowAndBeUnchanged(should, panner, 'channelCount', 0);
shouldThrowAndBeUnchanged(should, panner, 'channelCount', 3);
// It is illegal to set the mode to 'max'
shouldThrowAndBeUnchanged(should, panner, 'channelCountMode', 'max');
should(
() => panner.channelCountMode = 'explicit',
'panner.channelCountMode = "explicit"')
.notThrow();
should(
() => panner.channelCountMode = 'clamped-max',
'panner.channelCountMode = "clamped-max"')
.notThrow();
should(
() => panner.channelCountMode = 'junk',
'panner.channelCountMode = "junk"')
.notThrow();
task.done();
});
audit.define('script-processor', (task, should) => {
// Test channel count and mode for a ScriptProcessor.
should(
() => script = context.createScriptProcessor(256, 3),
'script = context.createScriptProcessor(256, 3)')
.notThrow();
// Make sure the channelCount and mode are set correctly.
should(script.channelCount, 'script.channelCount').beEqualTo(3);
should(script.channelCountMode, 'script.channelCountMode')
.beEqualTo('explicit');
// Cannot change the channelCount or mode to anything else
should(() => script.channelCount = 3, 'script.channelCount = 3')
.notThrow();
shouldThrowAndBeUnchanged(should, script, 'channelCount', 1);
shouldThrowAndBeUnchanged(should, script, 'channelCount', 7);
should(
() => script.channelCountMode = 'explicit',
'script.channelCountMode = "explicit"')
.notThrow();
shouldThrowAndBeUnchanged(should, script, 'channelCountMode', 'max');
shouldThrowAndBeUnchanged(
should, script, 'channelCountMode', 'clamped-max');
should(
() => script.channelCountMode = 'junk',
'script.channelCountMode = "junk"')
.notThrow();
task.done();
});
audit.define(
{label: 'misc', description: 'Miscellaneous tests'},
(task, should) => {
// noteOn and noteOff don't exist anymore
should(osc.noteOn, 'osc.noteOn').beEqualTo(undefined);
should(osc.noteOff, 'osc.noteOff').beEqualTo(undefined);
should(source.noteOn, 'source.noteOn').beEqualTo(undefined);
should(source.noteOff, 'source.noteOff').beEqualTo(undefined);
task.done();
});
audit.run();
</script>
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