1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/typedarray/typed-array-change-by-copy.js b/js/src/jit-test/tests/typedarray/typed-array-change-by-copy.js
new file mode 100644
index 0000000000..4aa12a615d
--- /dev/null
+++ b/js/src/jit-test/tests/typedarray/typed-array-change-by-copy.js
@@ -0,0 +1,43 @@
+// |jit-test|
+
+load(libdir + 'array-compare.js');
+load(libdir + "asserts.js");
+
+let typedArray123 = new Uint8Array([1, 2, 3]);
+let typedArray12345 = new Uint8Array([1, 2, 3, 4, 5]);
+let typedArray = new Uint8Array([1, 2, 3]);
+let typedArray2 = new Uint8Array([3, 2, 1]);
+
+let a_with = typedArray.with(1, 42);
+assertEq(arraysEqual(typedArray, new Uint8Array([1, 2, 3])), true);
+assertEq(arraysEqual(a_with, new Uint8Array([1, 42, 3])), true);
+
+let tarray1 = new Uint8Array([42, 2, 3]);
+let tarray2 = new Uint8Array([1, 2, 42]);
+
+assertEq(arraysEqual(typedArray.with(-0, 42), tarray1), true);
+
+/* null => 0 */
+assertEq(arraysEqual(typedArray.with(null, 42), tarray1), true);
+/* [] => 0 */
+assertEq(arraysEqual(typedArray.with([], 42), tarray1), true);
+
+assertEq(arraysEqual(typedArray.with("2", 42), tarray2), true);
+
+/* Non-numeric indices => 0 */
+assertEq(arraysEqual(typedArray.with("monkeys", 42), tarray1), true);
+assertEq(arraysEqual(typedArray.with(undefined, 42), tarray1), true);
+assertEq(arraysEqual(typedArray.with(function() {}, 42), tarray1), true);
+
+assertThrowsInstanceOf(() => typedArray.with(3, 42), RangeError);
+assertThrowsInstanceOf(() => typedArray.with(5, 42), RangeError);
+assertThrowsInstanceOf(() => typedArray.with(-10, 42), RangeError);
+assertThrowsInstanceOf(() => typedArray.with(Infinity, 42), RangeError);
+
+let reversedIntArray = typedArray.toReversed();
+assertEq(arraysEqual(typedArray, typedArray123), true);
+assertEq(arraysEqual(reversedIntArray, typedArray2), true);
+
+let sortedIntArray = typedArray2.toSorted();
+assertEq(arraysEqual(typedArray2, new Uint8Array([3, 2, 1])), true);
+assertEq(arraysEqual(sortedIntArray, typedArray), true);