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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc4/] [libstdc++-v3/] [testsuite/] [backward/] [hash_set/] [25896.cc] - Rev 424
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// { dg-options "-Wno-deprecated" } // // Copyright (C) 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library 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, or (at your option) // any later version. // // This library 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 library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. // This is a copy of tr1/6_containers/unordered_set/erase/1.cc, using // hash_set instead of unordered_set. #include <hash_set> #include <string> #include <testsuite_hooks.h> namespace __gnu_cxx { using std::string; inline size_t hash_string(const char* s) { unsigned long h; for (h=0; *s; ++s) { h = 5*h + *s; } return size_t(h); } template<class T> struct hash<T *> { size_t operator()(const T *const & s) const { return reinterpret_cast<size_t>(s); } }; template<> struct hash<string> { size_t operator()(const string &s) const { return hash_string(s.c_str()); } }; template<> struct hash<const string> { size_t operator()(const string &s) const { return hash_string(s.c_str()); } }; } void test01() { bool test __attribute__((unused)) = true; typedef __gnu_cxx::hash_set<std::string> Set; typedef Set::iterator iterator; typedef Set::const_iterator const_iterator; Set s1; s1.insert("because to why"); s1.insert("the stockholm syndrome"); s1.insert("a cereous night"); s1.insert("eeilo"); s1.insert("protean"); s1.insert("the way you are when"); s1.insert("tillsammans"); s1.insert("umbra/penumbra"); s1.insert("belonging (no longer mix)"); s1.insert("one line behind"); VERIFY( s1.size() == 10 ); VERIFY( s1.erase("eeilo") == 1 ); VERIFY( s1.size() == 9 ); iterator it1 = s1.find("eeilo"); VERIFY( it1 == s1.end() ); VERIFY( s1.erase("tillsammans") == 1 ); VERIFY( s1.size() == 8 ); iterator it2 = s1.find("tillsammans"); VERIFY( it2 == s1.end() ); // Must work (see DR 526) iterator it3 = s1.find("belonging (no longer mix)"); VERIFY( it3 != s1.end() ); VERIFY( s1.erase(*it3) == 1 ); VERIFY( s1.size() == 7 ); it3 = s1.find("belonging (no longer mix)"); VERIFY( it3 == s1.end() ); VERIFY( !s1.erase("abra") ); VERIFY( s1.size() == 7 ); VERIFY( !s1.erase("eeilo") ); VERIFY( s1.size() == 7 ); VERIFY( s1.erase("because to why") == 1 ); VERIFY( s1.size() == 6 ); iterator it4 = s1.find("because to why"); VERIFY( it4 == s1.end() ); iterator it5 = s1.find("umbra/penumbra"); iterator it6 = s1.find("one line behind"); VERIFY( it5 != s1.end() ); VERIFY( it6 != s1.end() ); VERIFY( s1.find("the stockholm syndrome") != s1.end() ); VERIFY( s1.find("a cereous night") != s1.end() ); VERIFY( s1.find("the way you are when") != s1.end() ); VERIFY( s1.find("a cereous night") != s1.end() ); VERIFY( s1.erase(*it5) == 1 ); VERIFY( s1.size() == 5 ); it5 = s1.find("umbra/penumbra"); VERIFY( it5 == s1.end() ); VERIFY( s1.erase(*it6) == 1 ); VERIFY( s1.size() == 4 ); it6 = s1.find("one line behind"); VERIFY( it6 == s1.end() ); iterator it7 = s1.begin(); iterator it8 = it7; ++it8; iterator it9 = it8; ++it9; VERIFY( s1.erase(*it8) == 1 ); VERIFY( s1.size() == 3 ); VERIFY( ++it7 == it9 ); iterator it10 = it9; ++it10; iterator it11 = it10; VERIFY( s1.erase(*it9) == 1 ); VERIFY( s1.size() == 2 ); VERIFY( ++it10 == s1.end() ); s1.erase(s1.begin()); VERIFY( s1.size() == 1 ); VERIFY( s1.begin() == it11 ); VERIFY( s1.erase(*s1.begin()) == 1 ); VERIFY( s1.size() == 0 ); VERIFY( s1.begin() == s1.end() ); } int main() { test01(); return 0; }
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