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diff --git a/testing/web-platform/tests/workers/modules/dedicated-worker-options-type.html b/testing/web-platform/tests/workers/modules/dedicated-worker-options-type.html
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+++ b/testing/web-platform/tests/workers/modules/dedicated-worker-options-type.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<title>DedicatedWorker: WorkerOptions 'type'</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+promise_test(() => {
+  const worker = new Worker('resources/post-message-on-load-worker.js');
+  return new Promise(resolve => worker.onmessage = resolve)
+      .then(msg_event => assert_equals(msg_event.data, 'LOADED'));
+}, 'Test worker construction with the default worker type.');
+
+promise_test(() => {
+  const worker = new Worker('resources/post-message-on-load-worker.js',
+                            { type: 'classic' });
+  return new Promise(resolve => worker.onmessage = resolve)
+      .then(msg_event => assert_equals(msg_event.data, 'LOADED'));
+}, 'Test worker construction with the "classic" worker type.');
+
+promise_test(() => {
+  const worker = new Worker('resources/post-message-on-load-worker.js',
+                            { type: 'module' });
+  return new Promise(resolve => worker.onmessage = resolve)
+      .then(msg_event => assert_equals(msg_event.data, 'LOADED'));
+}, 'Test worker construction with the "module" worker type.');
+
+test(() => {
+  assert_throws_js(
+      TypeError,
+      () => {
+        new Worker('resources/post-message-on-load-worker.js', { type: '' });
+      },
+      'Worker construction with an empty type should throw an exception');
+}, 'Test worker construction with an empty worker type.');
+
+test(() => {
+  assert_throws_js(
+      TypeError,
+      () => {
+        new Worker('resources/post-message-on-load-worker.js',
+                   { type: 'unknown' });
+      },
+      'Worker construction with an unknown type should throw an exception');
+}, 'Test worker construction with an unknown worker type.');
+
+</script>