Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 44 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js
new file mode 100644
index 0000000000..361cadfe58
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js
@@ -0,0 +1,44 @@
+// |reftest| shell-option(--enable-change-array-by-copy) skip-if(!Array.prototype.with||!xulRuntime.shell) -- change-array-by-copy is not enabled unconditionally, requires shell-options
+// Copyright (C) 2021 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.toReversed
+description: >
+  %TypedArray%.prototype.toReversed ignores @@species
+info: |
+  %TypedArray%.prototype.toReversed ( )
+
+  ...
+  4. Let A be ? TypedArrayCreateSameType(O, « 𝔽(length) »).
+  ...
+
+  TypedArrayCreateSameType ( exemplar, argumentList )
+  ...
+  2. Let constructor be the intrinsic object listed in column one of Table 63 for exemplar.[[TypedArrayName]].
+  ...
+includes: [testTypedArray.js]
+features: [TypedArray, change-array-by-copy]
+---*/
+
+testWithTypedArrayConstructors(TA => {
+  var ta = new TA();
+  ta.constructor = TA === Uint8Array ? Int32Array : Uint8Array;
+  assert.sameValue(Object.getPrototypeOf(ta.toReversed()), TA.prototype);
+
+  ta = new TA();
+  ta.constructor = {
+    [Symbol.species]: TA === Uint8Array ? Int32Array : Uint8Array,
+  };
+  assert.sameValue(Object.getPrototypeOf(ta.toReversed()), TA.prototype);
+
+  ta = new TA();
+  Object.defineProperty(ta, "constructor", {
+    get() {
+      throw new Test262Error("Should not get .constructor");
+    }
+  });
+  ta.toReversed();
+});
+
+reportCompare(0, 0);