205 lines
4.9 KiB
C++
205 lines
4.9 KiB
C++
// 1999-06-04 bkoz
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// Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 21.3.1 basic_string constructors.
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#include <new>
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#include <string>
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#include <stdexcept>
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#include <testsuite_hooks.h>
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int test01(void)
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{
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bool test = true;
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typedef std::string::size_type csize_type;
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typedef std::string::iterator citerator;
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csize_type npos = std::string::npos;
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csize_type csz01, csz02;
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const char str_lit01[] = "rodeo beach, marin";
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const std::string str01(str_lit01);
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const std::string str02("baker beach, san francisco");
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// basic_string(const string&, size_type pos = 0, siz_type n = npos, alloc)
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csz01 = str01.size();
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try {
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std::string str03(str01, csz01 + 1);
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VERIFY( false );
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}
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catch(std::out_of_range& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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try {
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std::string str03(str01, csz01);
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VERIFY( str03.size() == 0 );
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VERIFY( str03.size() <= str03.capacity() );
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}
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catch(...) {
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VERIFY( false );
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}
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#if 0
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// XXX These tests have been temporarily disabled.
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//http://gcc.gnu.org/ml/libstdc++/2000-10/msg00033.html
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// basic_string(const char* s, size_type n, alloc)
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csz01 = str01.max_size();
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// NB: As strlen(str_lit01) != csz01, this test is undefined. It
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// should not crash, but what gets constructed is a bit arbitrary.
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try {
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std::string str03(str_lit01, csz01 + 1);
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VERIFY( true );
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}
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catch(std::length_error& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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// NB: As strlen(str_lit01) != csz01, this test is undefined. It
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// should not crash, but what gets constructed is a bit arbitrary.
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// The "maverick's" of all string objects.
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try {
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std::string str04(str_lit01, npos);
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VERIFY( true );
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}
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catch(std::length_error& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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// Build a maxsize - 1 lengthed string consisting of all A's
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try {
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std::string str03(csz01 - 1, 'A');
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VERIFY( str03.size() == csz01 - 1 );
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VERIFY( str03.size() <= str03.capacity() );
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}
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// NB: bad_alloc is regrettable but entirely kosher for
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// out-of-memory situations.
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catch(std::bad_alloc& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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#endif
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// basic_string(const char* s, const allocator& a = allocator())
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std::string str04(str_lit01);
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VERIFY( str01 == str04 );
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// basic_string(size_type n, char c, const allocator& a = allocator())
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csz01 = str01.max_size();
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try {
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std::string str03(csz01 + 1, 'z');
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VERIFY( false );
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}
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catch(std::length_error& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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try {
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std::string str04(npos, 'b'); // the "maverick's" of all string objects.
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VERIFY( false );
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}
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catch(std::length_error& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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try {
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std::string str03(csz01 - 1, 'z');
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VERIFY( str03.size() != 0 );
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VERIFY( str03.size() <= str03.capacity() );
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}
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// NB: bad_alloc is regrettable but entirely kosher for
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// out-of-memory situations.
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catch(std::bad_alloc& fail) {
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VERIFY( true );
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}
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catch(...) {
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VERIFY( false );
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}
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// template<typename _InputIter>
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// basic_string(_InputIter begin, _InputIter end, const allocator& a)
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std::string str06(str01.begin(), str01.end());
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VERIFY( str06 == str01 );
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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void test02()
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{
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bool test = true;
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// template<typename _InputIter>
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// basic_string(_InputIter begin, _InputIter end, const allocator& a)
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// where _InputIter is integral [21.3.1 para 15]
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std::string s(10,0);
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VERIFY( s.size() == 10 );
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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}
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void test03()
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{
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bool test = true;
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const char* with_nulls = "This contains \0 a zero byte.";
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// These are tests to see how basic_string handles data with NUL
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// bytes. Obviously basic_string(char*) will halt at the first one, but
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// nothing else should.
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std::string s1 (with_nulls, 28);
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VERIFY( s1.size() == 28 );
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std::string s2 (s1);
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VERIFY( s2.size() == 28 );
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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}
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int main()
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{
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__set_testsuite_memlimit();
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test01();
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test02();
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test03();
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return 0;
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}
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