midi-message-event-constructor.html

<!DOCTYPE html>
<html>
<head>
<script src="../../../resources/js-test.js"></script>
<script src="../../../resources/sab-polyfill.js"></script>
</head>
<body>
<script>

description("This tests the constructor for the MIDIMessageEvent DOM class.");

// No initializer is passed.
shouldBe("new MIDIMessageEvent('eventType').bubbles", "false");
shouldBe("new MIDIMessageEvent('eventType').cancelable", "false");
shouldBe("new MIDIMessageEvent('eventType').data", "null");

// bubbles is passed.
shouldBe("new MIDIMessageEvent('eventType', { bubbles: false }).bubbles", "false");
shouldBe("new MIDIMessageEvent('eventType', { bubbles: true }).bubbles", "true");

// cancelable is passed.
shouldBe("new MIDIMessageEvent('eventType', { cancelable: false }).cancelable", "false");
shouldBe("new MIDIMessageEvent('eventType', { cancelable: true }).cancelable", "true");

// data is passed.
var data = new Uint8Array(16);
shouldEvaluateTo("new MIDIMessageEvent('eventType', { data: data }).data", data);

// All initializers are passed.
data = new Uint8Array(3);
shouldBe("new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data: data }).bubbles", "true");
shouldBe("new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data: data }).cancelable", "true");
shouldEvaluateTo("new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data: data }).data", data);

data = new Uint8Array(new SharedArrayBuffer(3));
shouldThrow("new MIDIMessageEvent('eventType', { data: data })");

</script>
</body>
</html>
chromium/third_party/blink/web_tests/fast/events/constructors/midi-message-event-constructor.html
