1 files changed, 11 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/streams/resources/readable-stream-to-array.js b/testing/web-platform/tests/encoding/streams/resources/readable-stream-to-array.js
new file mode 100644
index 0000000000..fda03e2264
--- /dev/null
+++ b/testing/web-platform/tests/encoding/streams/resources/readable-stream-to-array.js
@@ -0,0 +1,11 @@
+'use strict';
+
+function readableStreamToArray(stream) {
+  var array = [];
+  var writable = new WritableStream({
+    write(chunk) {
+      array.push(chunk);
+    }
+  });
+  return stream.pipeTo(writable).then(() => array);
+}