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94354ea7fb
The spec isn't _super_ clear on how this is meant to be done, but the way I understand this is that we should simply clamp the returned 'current value' between 'min' and 'max'. Firefox does not appear to do this clamping, but Chrome does.
50 lines
1.6 KiB
HTML
50 lines
1.6 KiB
HTML
<script src="../include.js"></script>
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<script>
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function dumpAudioParam(param) {
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println(`${param} current: ${param.value}, default: ${param.defaultValue}, min: ${param.minValue}, max: ${param.maxValue}, rate: ${param.automationRate}`);
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}
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test(() => {
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const audioContext = new OfflineAudioContext(1, 5000, 44100);
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const oscillator = audioContext.createOscillator();
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// Check prototype
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let prototype = Object.getPrototypeOf(oscillator);
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while (prototype) {
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println(prototype.constructor.name);
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prototype = Object.getPrototypeOf(prototype);
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}
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// Context getter
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println(`context: '${oscillator.context}, is same as original: ${audioContext === oscillator.context}`);
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// Invalid type in constructor
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try {
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new OscillatorNode(audioContext, { type: 'custom' });
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} catch (e) {
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println(`Error creating node: '${e}'`);
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}
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// Type attribute
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println(`oscillator node type: '${oscillator.type}'`);
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try {
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oscillator.type = 'custom';
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} catch (e) {
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println(`Error: '${e}', type is: ${oscillator.type}`);
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}
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oscillator.type = 'triangle';
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println(`oscillator node type: '${oscillator.type}'`);
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// Frequency attribute
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let frequency = oscillator.frequency;
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dumpAudioParam(frequency);
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frequency.value = -52;
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dumpAudioParam(frequency);
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frequency.value = 100_000;
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dumpAudioParam(frequency);
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frequency.value = -22051;
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dumpAudioParam(frequency);
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});
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</script>
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