TESTCASE( strcmp( buffer, "x" ) == 0 );
TESTCASE( testprintf( buffer, 100, "%s", "abcdef" ) == 6 );
TESTCASE( strcmp( buffer, "abcdef" ) == 0 );
TESTCASE( strcmp( buffer, "x" ) == 0 );
TESTCASE( testprintf( buffer, 100, "%s", "abcdef" ) == 6 );
TESTCASE( strcmp( buffer, "abcdef" ) == 0 );