ostream_inserter_char.cc [plain text]
#include <string>
#include <ostream>
#include <sstream>
#include <fstream>
#include <testsuite_hooks.h>
bool test01()
{
bool test = true;
std::string str01;
const int size = 1000;
const char name_02[] = "ostream_inserter_char-1.txt";
for(int i=0 ; i < size; i++) {
str01 += '1';
str01 += '2';
str01 += '3';
str01 += '4';
str01 += '5';
str01 += '6';
str01 += '7';
str01 += '8';
str01 += '9';
str01 += '\n';
}
std::ofstream f(name_02);
f << str01;
f.close();
VERIFY( test );
return test;
}
bool test02(void)
{
bool test = true;
std::string tmp;
std::string str01 = "";
std::ostringstream oss01;
oss01.width(5);
oss01.fill('0');
oss01.flags(std::ios_base::left);
oss01 << str01;
tmp = oss01.str();
VERIFY( tmp == "00000" );
std::string str02 = "1";
std::ostringstream oss02;
oss02.width(5);
oss02.fill('0');
oss02.flags(std::ios_base::left);
oss02 << str02;
tmp = oss02.str();
VERIFY( tmp == "10000" );
std::string str03 = "909909";
std::ostringstream oss03;
oss03.width(5);
oss03.fill('0');
oss03.flags(std::ios_base::left);
oss03 << str03;
tmp = oss03.str();
VERIFY( tmp == "909909" );
return test;
}
bool test03(void)
{
bool test = true;
std::string tmp;
std::string str01 = "";
std::ostringstream oss01;
oss01.width(5);
oss01.fill('0');
oss01.flags(std::ios_base::right);
oss01 << str01;
tmp = oss01.str();
VERIFY( tmp == "00000" );
std::string str02 = "1";
std::ostringstream oss02;
oss02.width(5);
oss02.fill('0');
oss02.flags(std::ios_base::right);
oss02 << str02;
tmp = oss02.str();
VERIFY( tmp == "00001" );
std::string str03 = "909909";
std::ostringstream oss03;
oss03.width(5);
oss03.fill('0');
oss03.flags(std::ios_base::right);
oss03 << str03;
tmp = oss03.str();
VERIFY( tmp == "909909" );
return test;
}
bool test04()
{
bool test = true;
std::string str_01;
const std::string str_02("coltrane playing 'softly as a morning sunrise'");
const std::string str_03("coltrane");
std::string str_tmp;
const int i_max=250;
std::ostringstream oss_01(std::ios_base::out);
std::ostringstream oss_02(str_01, std::ios_base::out);
std::ios_base::iostate state1, state2, statefail;
statefail = std::ios_base::failbit;
for (int i = 0; i < i_max; ++i)
oss_02 << "Test: " << i << std::endl;
str_tmp = oss_02.str();
VERIFY( !oss_02.bad() );
VERIFY( oss_02.good() );
VERIFY( str_tmp != str_01 );
VERIFY( str_tmp.size() == 2390 );
return test;
}
bool test05()
{
bool test = true;
std::string str05, str10;
typedef std::ostream::pos_type pos_type;
typedef std::ostream::off_type off_type;
std::string str01;
const int size = 1000;
for(int i=0 ; i < size; i++) {
str01 += '1';
str01 += '2';
str01 += '3';
str01 += '4';
str01 += '5';
str01 += '6';
str01 += '7';
str01 += '8';
str01 += '9';
str01 += '\n';
}
std::ostringstream sstr01(str01, std::ios_base::out);
std::ostringstream sstr02;
sstr02 << str01;
str05 = sstr01.str();
str10 = sstr02.str();
VERIFY( str05 == str01 );
VERIFY( str10 == str01 );
std::ostringstream sstr04(str01, std::ios_base::out | std::ios_base::in);
std::ostringstream sstr05(std::ios_base::in | std::ios_base::out);
sstr05 << str01;
str05 = sstr04.str();
str10 = sstr05.str();
VERIFY( str05 == str01 );
VERIFY( str10 == str01 );
return test;
}
void test06()
{
bool test = true;
const char carray01[] = "mos def & talib kweli are black star";
std::ostringstream ostr1("mos def");
VERIFY( ostr1.str() == "mos def" );
ostr1 << " & talib kweli"; VERIFY( ostr1.str() == " & talib kweli" );
ostr1 << " are black star"; VERIFY( ostr1.str() != carray01 );
VERIFY( ostr1.str() == " & talib kweli are black star" );
std::ostringstream ostr2("blackalicious",
std::ios_base::out | std::ios_base::ate);
VERIFY( ostr2.str() == "blackalicious" );
ostr2 << " NIA "; VERIFY( ostr2.str() == "blackalicious NIA " );
ostr2 << "4: deception (5:19)"; VERIFY( ostr2.str() == "blackalicious NIA 4: deception (5:19)" );
}
bool used;
class gnu_ctype : public std::ctype<wchar_t>
{
protected:
char_type
do_widen(char c) const
{
used = true;
return std::ctype<wchar_t>::do_widen(c);
}
const char*
do_widen(const char* low, const char* high, char_type* dest) const
{
used = true;
return std::ctype<wchar_t>::do_widen(low, high, dest);
}
};
void test07()
{
#if _GLIBCPP_USE_WCHAR_T
using namespace std;
bool test = true;
const char* buffer = "SFPL 5th floor, outside carrol, the Asian side";
wostringstream oss;
oss.imbue(locale(locale::classic(), new gnu_ctype));
used = false;
oss << buffer;
VERIFY( used ); wstring str = oss.str();
wchar_t c1 = oss.widen(buffer[0]);
VERIFY( str[0] == c1 );
wchar_t c2 = oss.widen(buffer[1]);
VERIFY( str[1] == c2 );
used = false;
oss.str(wstring());
oss << 'b';
VERIFY( used ); str = oss.str();
wchar_t c3 = oss.widen('b');
VERIFY( str[0] == c3 );
#endif
}
int main()
{
test01();
test02();
test03();
test04();
test05();
test06();
test07();
return 0;
}