X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F21_strings%2Fchar_traits%2Frequirements%2Fshort%2F1.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F21_strings%2Fchar_traits%2Frequirements%2Fshort%2F1.cc;h=3f47f9f48531ebb66f03c331e5000ac4fb71de2c;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/21_strings/char_traits/requirements/short/1.cc b/libstdc++-v3/testsuite/21_strings/char_traits/requirements/short/1.cc new file mode 100644 index 00000000..3f47f9f4 --- /dev/null +++ b/libstdc++-v3/testsuite/21_strings/char_traits/requirements/short/1.cc @@ -0,0 +1,174 @@ +// 1999-06-03 bkoz +// 2003-07-22 Matt Austern + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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 +// . + +// 21.1.1 Character traits requirements +// Make sure we can instantiate char_traits and basic_string for +// charT = 'short', and make sure the char_traits memeber functions +// satisfy the requirements of 21.1.1. + +#include +#include +#include + +void test02(void) +{ + typedef short char_type; + bool test __attribute__((unused)) = true; + + // 21.1.1 character traits requirements + + // Key for decoding what function signatures really mean: + // X == char_traits<_CharT> + // [c,d] == _CharT + // [p,q] == const _CharT* + // s == _CharT* + // [n,i,j] == size_t + // f == X::int_type + // pos == X::pos_type + // state == X::state_type + + // void X::assign(char_type c, char_type d) + // assigns c = d; + char_type c1 = 'z'; + char_type c2 = 'u'; + VERIFY( c1 != c2 ); + std::char_traits::assign(c1,c2); + VERIFY( c1 == 'u' ); + + // bool X::eq(char_type c, char_type d) + c1 = 'z'; + c2 = 'u'; + VERIFY ( !std::char_traits::eq(c1, c2) ); + VERIFY ( std::char_traits::eq(c1, c1) ); + VERIFY ( std::char_traits::eq(c2, c2) ); + + // bool X::lt(char_type c, char_type d) + c1 = 'z'; + c2 = 'u'; + VERIFY ( std::char_traits::lt(c2, c1) ); + VERIFY ( !std::char_traits::lt(c1, c2) ); + VERIFY ( !std::char_traits::lt(c1, c1) ); + VERIFY ( !std::char_traits::lt(c2, c2) ); + + // char_type* X::move(char_type* s, const char_type* p, size_t n) + // for each i in [0,n) performs X::assign(s[i], p[i]). Copies + // correctly even where p is in [s, s + n), and yields s. + char_type array1[] = {'z', 'u', 'm', 'a', ' ', 'b', 'e', 'a', 'c', 'h', 0}; + const std::basic_string str_01(array1 + 0, array1 + 10); + + const char_type str_lit1[] = {'m', 'o', 'n', 't', 'a', 'r', 'a', ' ', 'a', 'n', 'd', ' ', 'o', 'c', 'e', 'a', 'n', ' ', 'b', 'e', 'a', 'c', 'h', 0}; + + int len = sizeof(str_lit1)/sizeof(char_type) + sizeof(array1)/sizeof(char_type) - 1; + // two terminating chars + char_type array3[] = {'b', 'o', 'r', 'a', 'c', 'a', 'y', ',', ' ', 'p', 'h', 'i', 'l', 'i', 'p', 'p', 'i', 'n', 'e', 's', 0}; + char_type array2[len]; + std::char_traits::copy(array2, array3, len); + + VERIFY( str_lit1[0] == 'm' ); + c1 = array2[0]; + c2 = str_lit1[0]; + char_type c3 = array2[1]; + char_type c4 = str_lit1[1]; + std::char_traits::move(array2, str_lit1, 0); + VERIFY( array2[0] == c1 ); + VERIFY( str_lit1[0] == c2 ); + std::char_traits::move(array2, str_lit1, 1); + VERIFY( array2[0] == c2 ); + VERIFY( str_lit1[0] == c2 ); + VERIFY( array2[1] == c3 ); + VERIFY( str_lit1[1] == c4 ); + std::char_traits::move(array2, str_lit1, 2); + VERIFY( array2[0] == c2 ); + VERIFY( str_lit1[0] == c2 ); + VERIFY( array2[1] == c4 ); + VERIFY( str_lit1[1] == c4 ); + + char_type* pc1 = array1 + 1; + c1 = pc1[0]; + c2 = array1[0]; + VERIFY( c1 != c2 ); + char_type* pc2 = std::char_traits::move(array1, pc1, 0); + c3 = pc1[0]; + c4 = array1[0]; + VERIFY( c1 == c3 ); + VERIFY( c2 == c4 ); + VERIFY( pc2 == array1 ); + + c1 = pc1[0]; + c2 = array1[0]; + char_type* pc3 = pc1; + pc2 = std::char_traits::move(array1, pc1, 10); + c3 = pc1[0]; + c4 = array1[0]; + VERIFY( c1 != c3 ); // underlying char_type array changed. + VERIFY( c4 != c3 ); + VERIFY( pc2 == array1 ); + VERIFY( pc3 == pc1 ); // but pointers o-tay + c1 = *(str_01.data()); + c2 = array1[0]; + VERIFY( c1 != c2 ); + + // size_t X::length(const char_type* p) + len = std::char_traits::length(str_lit1); + VERIFY( len == sizeof(str_lit1) / sizeof(char_type) - 1 ); + + // const char_type* X::find(const char_type* s, size_t n, char_type c) + const int N4 = sizeof(str_lit1) / sizeof(char_type); + const char_type* pc4 = std::char_traits::find(str_lit1, N4, 'a'); + VERIFY( pc4 != 0 ); + VERIFY( *pc4 == 'a' ); + + pc4 = std::char_traits::find(str_lit1, N4, 0x0a73); + VERIFY( pc4 == 0 ); + + // char_type* X::assign(char_type* s, size_t n, char_type c) + len = sizeof(array2) / sizeof(char_type); + std::memset(array2, 0xaf, len * sizeof(char_type)); + VERIFY( array2[0] != 0x15a8 ); + + pc1 = std::char_traits::assign (array2, len, 0x15a8); + VERIFY( pc1 == array2 ); + for (int i = 0; i < len; ++i) + VERIFY( array2[i] == 0x15a8 ); + + // char_type* X::copy(char_type* s, const char_type* p, size_t n) + int n1 = sizeof(str_lit1) / sizeof(char_type); + pc1 = std::char_traits::copy(array2, str_lit1, n1); + len = std::char_traits::length(array2); + VERIFY( len == n1 - 1 ); + for (int i = 0; i < len; ++i) + VERIFY( str_lit1[i] == array2[i] ); + + // int X::compare(const char_type* p, const char_type* q, size_t n) + const char_type* pconst1 = str_01.data(); + const char_type* pconst2 = str_lit1; + + VERIFY( std::char_traits::compare(pconst1, pconst2, 10) > 0 ); + VERIFY( std::char_traits::compare(pconst2, pconst1, 10) < 0 ); + VERIFY( std::char_traits::compare(pconst1, pconst1, 10) == 0 ); + VERIFY( std::char_traits::compare(pconst2, pconst2, 10) == 0 ); +} + +int main() +{ + test02(); + return 0; +}