1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/asyncHelpers-throwsAsync-same-realm.js b/js/src/tests/test262/harness/asyncHelpers-throwsAsync-same-realm.js
new file mode 100644
index 0000000000..cf72bd0895
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+++ b/js/src/tests/test262/harness/asyncHelpers-throwsAsync-same-realm.js
@@ -0,0 +1,38 @@
+// |reftest| async
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: |
+    Thenables that reject with instances of the realm specified constructor function
+    do not satisfy the assertion with cross realms collisions.
+flags: [async]
+includes: [asyncHelpers.js]
+---*/
+
+asyncTest(async function () {
+  var intrinsicTypeError = TypeError;
+  var caught = false;
+  var realmGlobal = $262.createRealm().global;
+
+  const p = assert.throwsAsync(TypeError, async function () {
+    throw new realmGlobal.TypeError();
+  });
+  assert(p instanceof Promise);
+  try {
+    await p;
+  } catch (err) {
+    caught = true;
+    assert.sameValue(
+      err.constructor,
+      Test262Error,
+      "Expected a Test262Error, but a '" +
+        err.constructor.name +
+        "' was thrown."
+    );
+  } finally {
+    assert(
+      caught,
+      "assert.throwsAsync did not reject when a different realm's error was thrown"
+    );
+  }
+});