1 files changed, 11 insertions, 0 deletions
diff --git a/testing/web-platform/tests/wasm/serialization/arraybuffer/transfer.window.js b/testing/web-platform/tests/wasm/serialization/arraybuffer/transfer.window.js
new file mode 100644
index 0000000000..0258581b1e
--- /dev/null
+++ b/testing/web-platform/tests/wasm/serialization/arraybuffer/transfer.window.js
@@ -0,0 +1,11 @@
+test(() => {
+  const buffer = new WebAssembly.Memory({initial: 4}).buffer;
+  postMessage(buffer, '*');
+}, "Serializing a WebAssembly.Memory-backed ArrayBuffer works");
+
+test(() => {
+  const buffer = new WebAssembly.Memory({initial: 4}).buffer;
+  assert_throws_js(TypeError, () => {
+    postMessage('foo', '*', [buffer]);
+  });
+}, "Transfering a WebAssembly.Memory-backed ArrayBuffer throws");