1 files changed, 24 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/response/response-stream-bad-chunk.any.js b/testing/web-platform/tests/fetch/api/response/response-stream-bad-chunk.any.js
new file mode 100644
index 0000000000..d3d92e1677
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/response/response-stream-bad-chunk.any.js
@@ -0,0 +1,24 @@
+// META: global=window,worker
+// META: title=Response causes TypeError from bad chunk type
+
+function runChunkTest(responseReaderMethod, testDescription) {
+  promise_test(test => {
+    let stream = new ReadableStream({
+      start(controller) {
+        controller.enqueue("not Uint8Array");
+        controller.close();
+      }
+    });
+
+    return promise_rejects_js(test, TypeError,
+      new Response(stream)[responseReaderMethod](),
+      'TypeError should propagate'
+    )
+  }, testDescription)
+}
+
+runChunkTest('arrayBuffer', 'ReadableStream with non-Uint8Array chunk passed to Response.arrayBuffer() causes TypeError');
+runChunkTest('blob',        'ReadableStream with non-Uint8Array chunk passed to Response.blob() causes TypeError');
+runChunkTest('formData',    'ReadableStream with non-Uint8Array chunk passed to Response.formData() causes TypeError');
+runChunkTest('json',        'ReadableStream with non-Uint8Array chunk passed to Response.json() causes TypeError');
+runChunkTest('text',        'ReadableStream with non-Uint8Array chunk passed to Response.text() causes TypeError');