21.string.stdcxx-466.cpp

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#include <cassert>
#include <string>
 
int main ()
{
    std::string s ("efgh");
 
    const std::string::size_type len = s.max_size () + 1;
 
#define TEST(expr)                                      \
    try {                                               \
        assert (expr);                                  \
    }                                                   \
    catch (...) {                                       \
        assert (!"Unexpected exception was thrown");    \
    } (void)0
 
    const std::string::size_type npos = std::string::npos;
 
    TEST (npos == s.find ("fg", 0, len));
    TEST (npos == s.rfind ("fg", 0, len));
    TEST (0 == s.find_first_of ("eh", 0, len));
    TEST (3 == s.find_last_of ("eh", npos, len));
    TEST (0 > s.compare (0, npos, "efgh", len));
    TEST (0 > s.compare (0, npos, "ijkl", len));
    TEST (0 < s.compare (0, npos, "abcd", len));
 
    s.clear ();
 
    TEST (npos == s.find_first_not_of ("eh", 0, len));
    TEST (npos == s.find_last_not_of ("eh", npos, len));
 
    return 0;
}