// constructor_test.cc -- a test case for gold global constructors // Copyright (C) 2006-2014 Free Software Foundation, Inc. // Written by Ian Lance Taylor . // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // This file just runs some global constructors and destructors. The // last global destructor verifies that the state is as expected, and // we assume that it runs correctly itself. #include #include // These counters let us verify the state. int c1_count; int c2_count; int atexit_count; // This class verifies that there are no objects left when it is // destroyed. Therefore, we can only have one instance of this // object. class c1 { public: static int count; c1() { ++c1_count; } ~c1() { --c1_count; assert(c1_count == 0 && c2_count == 0 && atexit_count == 0); } }; c1 c1v; // A function called at atexit time. void atexit_function() { --atexit_count; assert(atexit_count == c2_count); } // A class which counts itself and also calls atexit. class c2 { public: c2() { assert(atexit_count == c2_count); ++c2_count; atexit(atexit_function); ++atexit_count; } ~c2() { --c2_count; } }; c2 c2v1; c2 c2v2; int main() { return 0; }