1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jsapi-tests/testSameValue.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,27 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include "jsapi-tests/tests.h"
1.12 +
1.13 +BEGIN_TEST(testSameValue)
1.14 +{
1.15 +
1.16 + /*
1.17 + * NB: passing a double that fits in an integer jsval is API misuse. As a
1.18 + * matter of defense in depth, however, JS_SameValue should return the
1.19 + * correct result comparing a positive-zero double to a negative-zero
1.20 + * double, and this is believed to be the only way to make such a
1.21 + * comparison possible.
1.22 + */
1.23 + jsval v1 = DOUBLE_TO_JSVAL(0.0);
1.24 + jsval v2 = DOUBLE_TO_JSVAL(-0.0);
1.25 + bool same;
1.26 + CHECK(JS_SameValue(cx, v1, v2, &same));
1.27 + CHECK(!same);
1.28 + return true;
1.29 +}
1.30 +END_TEST(testSameValue)
