1 files changed, 13 insertions, 0 deletions
diff --git a/tests/specs/run/unhandled_rejection/unhandled_rejection.ts b/tests/specs/run/unhandled_rejection/unhandled_rejection.ts
new file mode 100644
index 000000000..388583434
--- /dev/null
+++ b/tests/specs/run/unhandled_rejection/unhandled_rejection.ts
@@ -0,0 +1,13 @@
+globalThis.addEventListener("unhandledrejection", (e) => {
+  console.log("unhandled rejection at:", e.promise, "reason:", e.reason);
+  e.preventDefault();
+});
+
+class Foo {
+  constructor() {
+    Promise.reject(new Error("bar not available"));
+  }
+}
+
+new Foo();
+Promise.reject();