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Test that AudioContext's state is updated if "allowed to start" #24611

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merged 2 commits into from Jul 16, 2020
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Test that AudioContext's state is updated if "allowed to start" #24611

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Test that AudioContext's state is updated if "allowed to start"
foolip Jul 15, 2020
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foolip Jul 15, 2020
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25 changes: 25 additions & 0 deletions webaudio/the-audio-api/the-audiocontext-interface/constructor-allowed-to-start.html
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<!doctype html>
<title>AudioContext state around "allowed to start" in constructor</title>
<link rel=help href=https://webaudio.github.io/web-audio-api/#dom-audiocontext-audiocontext>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script>
setup({ single_test: true });
test_driver.bless("audio playback", () => {
const ctx = new AudioContext();
// Immediately after the constructor the state is "suspended" because the
// control message to start processing has just been sent, but the state
// should change soon.
assert_equals(ctx.state, "suspended", "initial state");
ctx.onstatechange = () => {
assert_equals(ctx.state, "running", "state after statechange event");
// Now create another context and ensure it starts out in the "suspended"
// state even.
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const ctx2 = new AudioContext();
assert_equals(ctx2.state, "suspended", "initial state of 2nd context");
done();
};
});
</script>