js/src/jsapi-tests/testSameValue.cpp@b8a032363ba2 (annotated)
js/src/jsapi-tests/testSameValue.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "jsapi-tests/tests.h" |
| michael@0 | 9 | |
| michael@0 | 10 | BEGIN_TEST(testSameValue) |
| michael@0 | 11 | { |
| michael@0 | 12 | |
| michael@0 | 13 | /* |
| michael@0 | 14 | * NB: passing a double that fits in an integer jsval is API misuse. As a |
| michael@0 | 15 | * matter of defense in depth, however, JS_SameValue should return the |
| michael@0 | 16 | * correct result comparing a positive-zero double to a negative-zero |
| michael@0 | 17 | * double, and this is believed to be the only way to make such a |
| michael@0 | 18 | * comparison possible. |
| michael@0 | 19 | */ |
| michael@0 | 20 | jsval v1 = DOUBLE_TO_JSVAL(0.0); |
| michael@0 | 21 | jsval v2 = DOUBLE_TO_JSVAL(-0.0); |
| michael@0 | 22 | bool same; |
| michael@0 | 23 | CHECK(JS_SameValue(cx, v1, v2, &same)); |
| michael@0 | 24 | CHECK(!same); |
| michael@0 | 25 | return true; |
| michael@0 | 26 | } |
| michael@0 | 27 | END_TEST(testSameValue) |
