1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/non262/ReadableStream/closed-is-handled.js b/js/src/tests/non262/ReadableStream/closed-is-handled.js
new file mode 100644
index 0000000000..276cfbbaff
--- /dev/null
+++ b/js/src/tests/non262/ReadableStream/closed-is-handled.js
@@ -0,0 +1,27 @@
+// |reftest| skip-if(!this.ReadableStream||!this.drainJobQueue)
+
+// 3.5.6. ReadableStreamError ( stream, e ) nothrow
+//
+// 9. Reject reader.[[closedPromise]] with e.
+// 10. Set reader.[[closedPromise]].[[PromiseIsHandled]] to true.
+//
+// Rejection for [[closedPromise]] shouldn't be reported as unhandled.
+
+const rs = new ReadableStream({
+  start() {
+    return Promise.reject(new Error("test"));
+  }
+});
+
+let rejected = false;
+rs.getReader().read().then(() => {}, () => { rejected = true; });
+
+drainJobQueue();
+
+assertEq(rejected, true);
+
+if (typeof reportCompare === 'function') {
+  reportCompare(0, 0);
+}
+
+// Shell itself reports unhandled rejection if there's any.