1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/streams/transferable/shared-worker.html b/testing/web-platform/tests/streams/transferable/shared-worker.html
new file mode 100644
index 0000000000..cd0415402d
--- /dev/null
+++ b/testing/web-platform/tests/streams/transferable/shared-worker.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/helpers.js"></script>
+<script>
+'use strict';
+
+promise_test(t => {
+  const orig = createOriginalReadableStream();
+  const w = new SharedWorker('resources/receiving-shared-worker.js');
+  const promise = checkTestResults(w.port);
+  w.port.postMessage(orig, [orig]);
+  assert_true(orig.locked, 'the original stream should be locked');
+  return promise;
+}, 'worker.postMessage should be able to transfer a ReadableStream');
+
+promise_test(t => {
+  const w = new SharedWorker('resources/sending-shared-worker.js');
+  const promise = testMessageEventOrErrorMessage(w.port);
+  w.port.start();
+  return promise;
+}, 'postMessage in a worker should be able to transfer a ReadableStream');
+
+</script>