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<!DOCTYPE html>
<html>
<head>
<title>
convolver-setBuffer-already-has-value.html
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit.js"></script>
</head>
<body>
<script id="layout-test-code">
let audit = Audit.createTaskRunner();
audit.define('test', (task, should) => {
let context = new AudioContext();
let audioBuffer = new AudioBuffer(
{numberOfChannels: 1, length: 1, sampleRate: context.sampleRate});
let convolver = context.createConvolver();
should(() => {
convolver.buffer = null;
}, 'Set buffer to null before set non-null').notThrow();
should(() => {
convolver.buffer = audioBuffer;
}, 'Set buffer first normally').notThrow();
should(() => {
convolver.buffer = audioBuffer;
}, 'Set buffer a second time').notThrow();
should(() => {
convolver.buffer = null;
}, 'Set buffer to null').notThrow();
should(() => {
convolver.buffer = null;
}, 'Set buffer to null again, to make sure').notThrow();
should(() => {
convolver.buffer = audioBuffer;
}, 'Set buffer to non-null to verify it is set')
.notThrow();
task.done();
});
audit.run();
</script>
</body>
</html>
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