Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | #include <cc++/thread.h> |
| 2 | #include <cstdio> |
| 3 | |
| 4 | #ifdef CCXX_NAMESPACES |
| 5 | using namespace ost; |
| 6 | #endif |
| 7 | |
| 8 | // This is a little regression test |
| 9 | // |
| 10 | |
| 11 | class ThreadTest: public Thread |
| 12 | { |
| 13 | public: |
| 14 | ThreadTest(); |
| 15 | void run(); |
| 16 | }; |
| 17 | |
| 18 | volatile int n = 0; |
| 19 | |
| 20 | bool WaitNValue(int value) |
| 21 | { |
| 22 | for(int i=0;; ++i) { |
| 23 | if (n == value) |
| 24 | break; |
| 25 | if (i >= 100) |
| 26 | return false; |
| 27 | Thread::sleep(10); |
| 28 | } |
| 29 | return true; |
| 30 | } |
| 31 | |
| 32 | bool WaitChangeNValue(int value) |
| 33 | { |
| 34 | for(int i=0;; ++i) { |
| 35 | if (n != value) |
| 36 | break; |
| 37 | if (i >= 100) |
| 38 | return false; |
| 39 | Thread::sleep(10); |
| 40 | } |
| 41 | return true; |
| 42 | } |
| 43 | |
| 44 | ThreadTest::ThreadTest() |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | void ThreadTest::run() |
| 49 | { |
| 50 | setCancel(Thread::cancelDeferred); |
| 51 | n = 1; |
| 52 | |
| 53 | // wait for main thread |
| 54 | if (!WaitNValue(2)) return; |
| 55 | |
| 56 | // increment infinitely |
| 57 | for(;;) { |
| 58 | yield(); |
| 59 | n = n+1; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | bool TestChange(bool shouldChange) |
| 64 | { |
| 65 | if (shouldChange) |
| 66 | printf("- thread should change n..."); |
| 67 | else |
| 68 | printf("- thread should not change n..."); |
| 69 | if (WaitChangeNValue(n) == shouldChange) { |
| 70 | printf("ok\n"); |
| 71 | return true; |
| 72 | } |
| 73 | printf("ko\n"); |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | #undef ERROR |
| 78 | #undef OK |
| 79 | #define ERROR {printf("ko\n"); return 1; } |
| 80 | #define OK {printf("ok\n"); } |
| 81 | |
| 82 | #define TEST_CHANGE(b) if (!TestChange(b)) return 1; |
| 83 | |
| 84 | int main(int argc, char* argv[]) |
| 85 | { |
| 86 | ThreadTest test; |
| 87 | |
| 88 | // test only thread, without sincronization |
| 89 | printf("***********************************************\n"); |
| 90 | printf("* Testing class Thread without syncronization *\n"); |
| 91 | printf("***********************************************\n"); |
| 92 | |
| 93 | printf("Testing thread creation\n\n"); |
| 94 | n = 0; |
| 95 | test.start(); |
| 96 | |
| 97 | // wait for n == 1 |
| 98 | printf("- thread should set n to 1..."); |
| 99 | if (WaitNValue(1)) OK |
| 100 | else ERROR; |
| 101 | |
| 102 | // increment number in thread |
| 103 | printf("\nTesting thread is working\n\n"); |
| 104 | n = 2; |
| 105 | TEST_CHANGE(true); |
| 106 | TEST_CHANGE(true); |
| 107 | |
| 108 | // suspend thread, variable should not change |
| 109 | printf("\nTesting suspend & resume\n\n"); |
| 110 | test.suspend(); |
| 111 | TEST_CHANGE(false); |
| 112 | TEST_CHANGE(false); |
| 113 | |
| 114 | // resume, variable should change |
| 115 | test.resume(); |
| 116 | TEST_CHANGE(true); |
| 117 | TEST_CHANGE(true); |
| 118 | |
| 119 | printf("\nTesting recursive suspend & resume\n\n"); |
| 120 | test.suspend(); |
| 121 | test.suspend(); |
| 122 | TEST_CHANGE(false); |
| 123 | TEST_CHANGE(false); |
| 124 | |
| 125 | test.resume(); |
| 126 | TEST_CHANGE(false); |
| 127 | TEST_CHANGE(false); |
| 128 | test.resume(); |
| 129 | TEST_CHANGE(true); |
| 130 | TEST_CHANGE(true); |
| 131 | |
| 132 | printf("\nTesting no suspend on resume\n\n"); |
| 133 | test.resume(); |
| 134 | TEST_CHANGE(true); |
| 135 | TEST_CHANGE(true); |
| 136 | |
| 137 | // suspend thread, variable should not change |
| 138 | printf("\nTesting resuspend\n\n"); |
| 139 | test.suspend(); |
| 140 | TEST_CHANGE(false); |
| 141 | TEST_CHANGE(false); |
| 142 | |
| 143 | printf("\nNow program should finish... :)\n"); |
| 144 | test.resume(); |
| 145 | |
| 146 | return 0; |
| 147 | } |