1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/resizable/this-is-sharedarraybuffer.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/resizable/this-is-sharedarraybuffer.js
new file mode 100644
index 0000000000..cb9e219929
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/resizable/this-is-sharedarraybuffer.js
@@ -0,0 +1,36 @@
+// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- SharedArrayBuffer,resizable-arraybuffer is not enabled unconditionally, requires shell-options
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-arraybuffer.prototype.resizable
+description: Throws a TypeError exception when `this` is a SharedArrayBuffer
+info: |
+  get ArrayBuffer.prototype.resizable
+
+  1. Let O be the this value.
+  2. Perform ? RequireInternalSlot(O, [[ArrayBufferData]]).
+  3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception.
+  [...]
+features: [SharedArrayBuffer, resizable-arraybuffer]
+---*/
+
+var resizable = Object.getOwnPropertyDescriptor(
+  ArrayBuffer.prototype, "resizable"
+);
+
+var getter = resizable.get;
+var sab = new SharedArrayBuffer(4);
+
+assert.sameValue(typeof getter, "function");
+
+assert.throws(TypeError, function() {
+  getter.call(sab);
+}, "`this` cannot be a SharedArrayBuffer");
+
+Object.defineProperties(sab, { resizable: resizable });
+
+assert.throws(TypeError, function() {
+  sab.resizable;
+}, "`this` cannot be a SharedArrayBuffer");
+
+reportCompare(0, 0);