1 files changed, 11 insertions, 0 deletions
diff --git a/dom/streams/test/xpcshell/bug-1773237.js b/dom/streams/test/xpcshell/bug-1773237.js
new file mode 100644
index 0000000000..0d0107fe85
--- /dev/null
+++ b/dom/streams/test/xpcshell/bug-1773237.js
@@ -0,0 +1,11 @@
+// This test fails if there is an unhandled promise rejection
+var stream = new ReadableStream({
+  pull() {
+    return Promise.reject("foobar");
+  },
+});
+var response = new Response(stream);
+var text = response.text().then(
+  () => {},
+  e => {}
+);