1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/this-value-invalid.js b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/this-value-invalid.js
new file mode 100644
index 0000000000..cb15ea1240
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/this-value-invalid.js
@@ -0,0 +1,47 @@
+// |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 throws if the receiver is not a valid TypedArray
+info: |
+  %TypedArray%.prototype.toReversed ( )
+
+  1. Let O be the this value.
+  2. Perform ? ValidateTypedArray(O).
+  ...
+includes: [detachArrayBuffer.js, testTypedArray.js]
+features: [TypedArray, change-array-by-copy]
+---*/
+
+var invalidValues = {
+  'null': null,
+  'undefined': undefined,
+  'true': true,
+  '"abc"': "abc",
+  '12': 12,
+  'Symbol()': Symbol(),
+  '[1, 2, 3]': [1, 2, 3],
+  '{ 0: 1, 1: 2, 2: 3, length: 3 }': { 0: 1, 1: 2, 2: 3, length: 3 },
+  'Uint8Array.prototype': Uint8Array.prototype,
+  '1n': 1n,
+};
+
+Object.entries(invalidValues).forEach(value => {
+    assert.throws(TypeError, () => {
+    TypedArray.prototype.toReversed.call(value[1]);
+  }, `${value[0]} is not a valid TypedArray`);
+});
+
+testWithTypedArrayConstructors(function(TA) {
+  let buffer = new ArrayBuffer(8);
+  let sample = new TA(buffer, 0, 1);
+  $DETACHBUFFER(sample.buffer);
+  assert.throws(TypeError, () => {
+    sample.toReversed();
+  }, `array has a detached buffer`);
+});
+
+reportCompare(0, 0);