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Diffstat (limited to 'deps/v8/test/mjsunit/array-prototype-map.js')
-rw-r--r-- | deps/v8/test/mjsunit/array-prototype-map.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/array-prototype-map.js b/deps/v8/test/mjsunit/array-prototype-map.js new file mode 100644 index 00000000000..1ef6088669d --- /dev/null +++ b/deps/v8/test/mjsunit/array-prototype-map.js @@ -0,0 +1,21 @@ +// 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 */ + +// map +(function () { + var array = [,]; + + function map() { + return array.map(x => x + 1); + } + + assertEquals(map(), [,]); + + array.__proto__.push(5); + var narr = map(); + assertNotEquals(Object.getOwnPropertyDescriptor(narr, 0), undefined); + assertEquals(narr[0], 6); +})(); |