Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-species.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-species.js
new file mode 100644
index 0000000000..af48263ff6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/no-species.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2022 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Creating TypedArray from other TypedArrays doesn't look up Symbol.species.
+features: [TypedArray, ArrayBuffer, Symbol.species]
+---*/
+
+let throwOnGrossBufferConstruction = false;
+
+class GrossBuffer extends ArrayBuffer {
+  constructor() {
+    super(...arguments);
+    if (throwOnGrossBufferConstruction) {
+      throw new Test262Error("unreachable");
+    }
+  }
+  static get [Symbol.species]() {
+    throw new Test262Error("unreachable");
+  }
+}
+
+let grossBuf = new GrossBuffer(1024);
+throwOnGrossBufferConstruction = true;
+let grossTA = new Uint8Array(grossBuf);
+let mysteryTA = new Int8Array(grossTA);
+
+assert.sameValue(mysteryTA.buffer.__proto__, ArrayBuffer.prototype);
+assert.sameValue(mysteryTA.buffer.constructor, ArrayBuffer);
+
+reportCompare(0, 0);