Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 43 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/this-is-not-typedarray-instance.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/this-is-not-typedarray-instance.js
new file mode 100644
index 0000000000..d86c6593a8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/this-is-not-typedarray-instance.js
@@ -0,0 +1,43 @@
+// Copyright (C) 2021 Microsoft. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findlast
+description: >
+  Throws a TypeError exception when `this` is not a TypedArray instance
+info: |
+  %TypedArray%.prototype.findLast (predicate [ , thisArg ] )
+
+  2. Perform ? ValidateTypedArray(O).
+
+  22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+  1. If Type(O) is not Object, throw a TypeError exception.
+  2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
+  exception.
+  ...
+includes: [testTypedArray.js]
+features: [TypedArray, array-find-from-last]
+---*/
+
+var findlast = TypedArray.prototype.findlast;
+var predicate = function() {};
+
+assert.throws(TypeError, function() {
+  findlast.call({}, predicate);
+}, "this is an Object");
+
+assert.throws(TypeError, function() {
+  findlast.call([], predicate);
+}, "this is an Array");
+
+var ab = new ArrayBuffer(8);
+assert.throws(TypeError, function() {
+  findlast.call(ab, predicate);
+}, "this is an ArrayBuffer instance");
+
+var dv = new DataView(new ArrayBuffer(8), 0, 1);
+assert.throws(TypeError, function() {
+  findlast.call(dv, predicate);
+}, "this is a DataView instance");
+
+reportCompare(0, 0);