1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/grow/new-length-non-number.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/grow/new-length-non-number.js
new file mode 100644
index 0000000000..be5009f23c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/grow/new-length-non-number.js
@@ -0,0 +1,39 @@
+// |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-sharedarraybuffer.prototype.grow
+description: Throws a TypeError if provided length cannot be coerced to a number
+info: |
+  SharedArrayBuffer.prototype.grow ( newLength )
+
+  1. Let O be the this value.
+  2. Perform ? RequireInternalSlot(O, [[ArrayBufferMaxByteLength]]).
+  3. If IsSharedArrayBuffer(O) is false, throw a TypeError exception.
+  4. Let newByteLength be ? ToIntegerOrInfinity(newLength).
+  [...]
+features: [SharedArrayBuffer, resizable-arraybuffer]
+---*/
+
+var log = [];
+var newLength = {
+  toString: function() {
+    log.push('toString');
+    return {};
+  },
+  valueOf: function() {
+    log.push('valueOf');
+    return {};
+  }
+};
+var ab = new SharedArrayBuffer(0, {maxByteLength: 4});
+
+assert.throws(TypeError, function() {
+  ab.grow(newLength);
+});
+
+assert.sameValue(log.length, 2);
+assert.sameValue(log[0], 'valueOf');
+assert.sameValue(log[1], 'toString');
+
+reportCompare(0, 0);