1 /** 2 * @file cached_value_tests.cpp 3 * tests cached_value.h 4 * 5 * @remark Copyright 2005 OProfile authors 6 * @remark Read the file COPYING 7 * 8 * @author John Levon 9 */ 10 11 #include <cstdlib> 12 #include <iostream> 13 #include <string> 14 15 #include "cached_value.h" 16 17 using namespace std; 18 19 namespace { 20 21 check_throw(cached_value<bool> const & boolval)22bool check_throw(cached_value<bool> const & boolval) 23 { 24 try { 25 bool foo = boolval.get(); 26 foo = false; 27 } catch (op_fatal_error const & e) { 28 return true; 29 } 30 return false; 31 } 32 33 check_cached(void)34int check_cached(void) 35 { 36 cached_value<bool> boolval; 37 cached_value<string> strval; 38 39 if (!check_throw(boolval)) { 40 cerr << "get() on no value didn't throw\n"; 41 return EXIT_FAILURE; 42 } 43 44 if (boolval.reset(false) != false || boolval.get() != false) { 45 cerr << "reset() of cached value \"false\" didn't work\n"; 46 return EXIT_FAILURE; 47 } 48 49 if (boolval.reset(true) != true || boolval.get() != true) { 50 cerr << "reset() of cached value \"true\" didn't work\n"; 51 return EXIT_FAILURE; 52 } 53 54 if (strval.reset("foo") != "foo" || strval.get() != "foo") { 55 cerr << "reset() of cached value \"foo\" didn't work\n"; 56 return EXIT_FAILURE; 57 } 58 59 if (strval.reset("") != "" || strval.get() != "") { 60 cerr << "reset() of cached value \"\" didn't work\n"; 61 return EXIT_FAILURE; 62 } 63 64 return EXIT_SUCCESS; 65 } 66 67 }; 68 main()69int main() 70 { 71 try { 72 check_cached(); 73 } 74 catch (...) { 75 cerr << "unknown exception\n"; 76 return EXIT_FAILURE; 77 } 78 79 return EXIT_SUCCESS; 80 } 81