1 files changed, 11 insertions, 0 deletions
diff --git a/testing/web-platform/tests/streams/transferable/resources/create-wasm-module.js b/testing/web-platform/tests/streams/transferable/resources/create-wasm-module.js
new file mode 100644
index 0000000000..37064af95c
--- /dev/null
+++ b/testing/web-platform/tests/streams/transferable/resources/create-wasm-module.js
@@ -0,0 +1,11 @@
+// There aren't many cloneable types that will cause an error on
+// deserialization. WASM modules have the property that it's an error to
+// deserialize them cross-site, which works for our purposes.
+async function createWasmModule() {
+  // It doesn't matter what the module is, so we use one from another
+  // test.
+  const response =
+        await fetch("/wasm/serialization/module/resources/incrementer.wasm");
+  const ab = await response.arrayBuffer();
+  return WebAssembly.compile(ab);
+}