Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 21 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Atomics/compareExchange/non-shared-int-views-throws.js b/js/src/tests/test262/built-ins/Atomics/compareExchange/non-shared-int-views-throws.js
new file mode 100644
index 0000000000..45df6f8cb5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Atomics/compareExchange/non-shared-int-views-throws.js
@@ -0,0 +1,21 @@
+// |reftest| skip-if(!this.hasOwnProperty('Atomics')) -- Atomics is not enabled unconditionally
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-atomics.compareExchange
+description: >
+  Atomics.compareExchange throws when operating on non-sharable integer TypedArrays
+includes: [testTypedArray.js]
+features: [ArrayBuffer, Atomics, TypedArray]
+---*/
+testWithNonAtomicsFriendlyTypedArrayConstructors(TA => {
+  const buffer = new ArrayBuffer(TA.BYTES_PER_ELEMENT * 4);
+  const view = new TA(buffer);
+
+  assert.throws(TypeError, function() {
+    Atomics.compareExchange(view, 0, 0, 0);
+  }, `Atomics.compareExchange(new ${TA.name}(buffer), 0, 0, 0) throws TypeError`);
+});
+
+reportCompare(0, 0);