The Tor Browser: js/src/jsapi-tests/testSameValue.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  */

     4 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #include "jsapi-tests/tests.h"

    10 BEGIN_TEST(testSameValue)

    11 {

    13     /*

    14      * NB: passing a double that fits in an integer jsval is API misuse.  As a

    15      * matter of defense in depth, however, JS_SameValue should return the

    16      * correct result comparing a positive-zero double to a negative-zero

    17      * double, and this is believed to be the only way to make such a

    18      * comparison possible.

    19      */

    20     jsval v1 = DOUBLE_TO_JSVAL(0.0);

    21     jsval v2 = DOUBLE_TO_JSVAL(-0.0);

    22     bool same;

    23     CHECK(JS_SameValue(cx, v1, v2, &same));

    24     CHECK(!same);

    25     return true;

    26 }

    27 END_TEST(testSameValue)

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