File: shared-worker-import.window.js

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// META: script=/workers/modules/resources/import-test-cases.js

// Starts a shared worker for |testCase.scriptURL| and waits until the list
// of imported modules is sent from the worker. Passes if the list is equal to
// |testCase.expectation|.
function import_test(testCase) {
  promise_test(async () => {
    const worker = new SharedWorker(testCase.scriptURL, {type: 'module'});
    worker.port.postMessage('Send message for tests from main script.');
    const msgEvent = await new Promise((resolve, reject) => {
      worker.port.onmessage = resolve;
      worker.onerror = error => {
        const msg = error instanceof ErrorEvent ? error.message
                                                : 'unknown error';
        reject(msg);
      };
    });
    assert_array_equals(msgEvent.data, testCase.expectation);
  }, testCase.description);
}

testCases.forEach(import_test);