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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test for Exception in Worklet script</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript" src="common.js"></script>
+</head>
+<body>
+
+<script type="application/javascript">
+
+function configureTest() {
+ return SpecialPowers.pushPrefEnv(
+ {"set": [["dom.audioworklet.enabled", true],
+ ["dom.worklet.enabled", true]]});
+}
+
+// This function is called into an iframe.
+function runTestInIframe() {
+ let error;
+
+ // This loading should fail
+ var audioContext = new AudioContext();
+ audioContext.audioWorklet.addModule("404.js")
+ .then(() => {
+ ok(false, "We should not be called!");
+ }, () => {
+ ok(true, "The script thrown but we are still here.");
+ })
+
+ // This should throw from JS
+ .then(() => {
+ return audioContext.audioWorklet.addModule("worklet_exception.js")
+ })
+ .then(() => {
+ ok(true, "The script threw but we are still here.");
+ }, () => {
+ ok(false, "We should not be called!");
+ })
+
+ // invalid_specifier.mjs will throw a TypeError.
+ .then(() => {
+ return audioContext.audioWorklet.addModule("invalid_specifier.mjs")
+ })
+ .then(() => {
+ ok(false, "We should not be called!");
+ }, (e) => {
+ ok(true, "The script thrown but we are still here.");
+ ok(e instanceof TypeError, "The error should be a TypeError.");
+ error = e;
+ })
+
+ // import "invalid_specifier.mjs" again, this will reuse the response from the
+ // previous addModule("invalid_specifier.mjs") call.
+ .then(() => {
+ return audioContext.audioWorklet.addModule("invalid_specifier.mjs")
+ })
+ .then(() => {
+ ok(false, "We should not be called!");
+ }, (e) => {
+ ok(true, "The script thrown but we are still here.");
+ ok (e === error, "The TypeError object should be reused.");
+ })
+
+ .then(() => {
+ SimpleTest.finish();
+ });
+}
+
+</script>
+</body>
+</html>