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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /workers/modules/dedicated-worker-import-failure.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>DedicatedWorker: import failure</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script> setup({allow_uncaught_exception: true}); </script>
<script>
promise_test(async () => {
const scriptURL = 'resources/import-scripts-worker.js';
const worker = new Worker(scriptURL, { type: 'module' });
const msg_event = await new Promise(resolve => worker.onmessage = resolve);
assert_equals(msg_event.data, 'TypeError');
}, 'importScripts() on module worker should throw an exception.');
promise_test(() => {
const scriptURL = 'resources/non-existent-worker.js';
const worker = new Worker(scriptURL, { type: 'module' });
return new Promise(resolve => worker.onerror = resolve);
}, 'Worker construction for non-existent script should dispatch an ' +
'ErrorEvent.');
promise_test(() => {
const scriptURL = 'resources/static-import-non-existent-script-worker.js';
const worker = new Worker(scriptURL, { type: 'module' });
return new Promise(resolve => worker.onerror = resolve);
}, 'Static import for non-existent script should dispatch an ErrorEvent.');
promise_test(async () => {
const scriptURL = './non-existent-worker.js';
const worker = new Worker('resources/dynamic-import-given-url-worker.js',
{ type: 'module' });
worker.postMessage(scriptURL);
const msg_event = await new Promise((resolve, reject) => {
worker.onmessage = resolve;
worker.onerror = error => {
const msg = error instanceof ErrorEvent ? error.message
: 'unknown error';
reject(msg);
};
});
assert_equals(msg_event.data, 'TypeError');
}, 'Dynamic import for non-existent script should throw an exception.');
test(() => {
assert_throws_dom('SyntaxError', () => new Worker(scriptURL, { type: 'module' }));
}, 'Worker construction for an invalid URL should throw an exception.');
async_test((t) => {
const worker = new Worker(scriptURL, { type: 'module' });
worker.onerror = t.step_func_done(function(e) {
assert_true(e instanceof Event);
});
}, 'Worker construction for a file URL should fail');
</script>