1 files changed, 36 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/array-prototype-includes.js b/deps/v8/test/mjsunit/array-prototype-includes.js
new file mode 100644
index 0000000000..5c1d926372
--- /dev/null
+++ b/deps/v8/test/mjsunit/array-prototype-includes.js
@@ -0,0 +1,36 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/* Test behaviors when the prototype has elements */
+
+// includes
+
+(function() {
+  const iarr = [,3];
+
+  function includes(arr, val) {
+    return arr.includes(val);
+  }
+
+  assertFalse(includes(iarr, 2));
+  assertTrue(includes(iarr, 3));
+
+  iarr.__proto__ = [2];
+  assertTrue(includes(iarr, 2));
+})();
+
+// This pollutes the Array prototype, so we should not run more tests
+// in the same environment after this.
+(function () {
+  var array = [,];
+
+  function includes(val) {
+    return array.includes(val);
+  }
+
+  assertFalse(includes(6));
+
+  array.__proto__.push(6);
+  assertTrue(includes(6));
+})();