1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/asyncHelpers-throwsAsync-resolved-error.js b/js/src/tests/test262/harness/asyncHelpers-throwsAsync-resolved-error.js
new file mode 100644
index 0000000000..734b3c166c
--- /dev/null
+++ b/js/src/tests/test262/harness/asyncHelpers-throwsAsync-resolved-error.js
@@ -0,0 +1,36 @@
+// |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 resolve with an error do not satisfy the assertion.
+flags: [async]
+includes: [asyncHelpers.js]
+---*/
+
+asyncTest(async function () {
+  var caught = false;
+
+  const p = assert.throwsAsync(
+    Error,
+    Promise.resolve(new Error("it's-a-me, Chris Pratt"))
+  );
+  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 the thenable resolved with an error"
+    );
+  }
+});