dlls/kernel32/tests/fiber.c

   1 /*
   2  * Unit tests for fiber functions
   3  *
   4  * Copyright (c) 2010 André Hentschel
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22
  23 static LPVOID (WINAPI *pCreateFiber)(SIZE_T,LPFIBER_START_ROUTINE,LPVOID);
  24 static LPVOID (WINAPI *pConvertThreadToFiber)(LPVOID);
  25 static BOOL (WINAPI *pConvertFiberToThread)(void);
  26 static void (WINAPI *pSwitchToFiber)(LPVOID);
  27 static void (WINAPI *pDeleteFiber)(LPVOID);
  28 static LPVOID (WINAPI *pConvertThreadToFiberEx)(LPVOID,DWORD);
  29 static LPVOID (WINAPI *pCreateFiberEx)(SIZE_T,SIZE_T,DWORD,LPFIBER_START_ROUTINE,LPVOID);
  30 static BOOL (WINAPI *pIsThreadAFiber)(void);
  31 static DWORD (WINAPI *pFlsAlloc)(PFLS_CALLBACK_FUNCTION);
  32 static BOOL (WINAPI *pFlsFree)(DWORD);
  33 static PVOID (WINAPI *pFlsGetValue)(DWORD);
  34 static BOOL (WINAPI *pFlsSetValue)(DWORD,PVOID);
  35
  36 static LPVOID fibers[2];
  37 static BYTE testparam = 185;
  38 static WORD cbCount;
  39
  40 static VOID init_funcs(void)
  41 {
  42     HMODULE hKernel32 = GetModuleHandle("kernel32");
  43
  44 #define X(f) p##f = (void*)GetProcAddress(hKernel32, #f);
  45     X(CreateFiber);
  46     X(ConvertThreadToFiber);
  47     X(ConvertFiberToThread);
  48     X(SwitchToFiber);
  49     X(DeleteFiber);
  50     X(ConvertThreadToFiberEx);
  51     X(CreateFiberEx);
  52     X(IsThreadAFiber);
  53     X(FlsAlloc);
  54     X(FlsFree);
  55     X(FlsGetValue);
  56     X(FlsSetValue);
  57 #undef X
  58 }
  59
  60 static VOID WINAPI FiberLocalStorageProc(PVOID lpFlsData)
  61 {
  62     cbCount++;
  63     ok(lpFlsData == (PVOID) 1587, "FlsData expected not to be changed\n");
  64 }
  65
  66 static VOID WINAPI FiberMainProc(LPVOID lpFiberParameter)
  67 {
  68     BYTE *tparam = (BYTE *)lpFiberParameter;
  69     cbCount++;
  70     ok(*tparam == 185, "Parameterdata expected not to be changed\n");
  71     pSwitchToFiber(fibers[0]);
  72 }
  73
  74 static void test_ConvertThreadToFiber(void)
  75 {
  76     if (pConvertThreadToFiber)
  77     {
  78         fibers[0] = pConvertThreadToFiber(&testparam);
  79         ok(fibers[0] != 0, "ConvertThreadToFiber failed with error %d\n", GetLastError());
  80     }
  81     else
  82     {
  83         win_skip( "ConvertThreadToFiber not present\n" );
  84     }
  85 }
  86
  87 static void test_ConvertThreadToFiberEx(void)
  88 {
  89     if (pConvertThreadToFiberEx)
  90     {
  91         fibers[0] = pConvertThreadToFiberEx(&testparam, 0);
  92         ok(fibers[0] != 0, "ConvertThreadToFiberEx failed with error %d\n", GetLastError());
  93     }
  94     else
  95     {
  96         win_skip( "ConvertThreadToFiberEx not present\n" );
  97     }
  98 }
  99
 100 static void test_ConvertFiberToThread(void)
 101 {
 102     if (pConvertFiberToThread)
 103     {
 104         BOOL ret = pConvertFiberToThread();
 105         ok(ret, "ConvertFiberToThread failed with error %d\n", GetLastError());
 106     }
 107     else
 108     {
 109         win_skip( "ConvertFiberToThread not present\n" );
 110     }
 111 }
 112
 113 static void test_FiberHandling(void)
 114 {
 115     cbCount = 0;
 116     fibers[0] = pCreateFiber(0,FiberMainProc,&testparam);
 117     ok(fibers[0] != 0, "CreateFiber failed with error %d\n", GetLastError());
 118     pDeleteFiber(fibers[0]);
 119
 120     test_ConvertThreadToFiber();
 121     test_ConvertFiberToThread();
 122     if (pConvertThreadToFiberEx)
 123         test_ConvertThreadToFiberEx();
 124     else
 125         test_ConvertThreadToFiber();
 126
 127
 128     fibers[1] = pCreateFiber(0,FiberMainProc,&testparam);
 129     ok(fibers[1] != 0, "CreateFiber failed with error %d\n", GetLastError());
 130
 131     pSwitchToFiber(fibers[1]);
 132     ok(cbCount == 1, "Wrong callback count: %d\n", cbCount);
 133     pDeleteFiber(fibers[1]);
 134
 135     if (!pCreateFiberEx)
 136     {
 137         win_skip( "CreateFiberEx not present\n" );
 138         return;
 139     }
 140
 141     SetLastError(0xdeadbeef);
 142     fibers[1] = pCreateFiberEx(0,0,0,FiberMainProc,&testparam);
 143     ok(fibers[1] != 0, "CreateFiberEx failed with error %d\n", GetLastError());
 144
 145     pSwitchToFiber(fibers[1]);
 146     ok(cbCount == 2, "Wrong callback count: %d\n", cbCount);
 147     pDeleteFiber(fibers[1]);
 148
 149     if (!pIsThreadAFiber)
 150     {
 151         win_skip( "IsThreadAFiber not present\n" );
 152         return;
 153     }
 154
 155     ok(pIsThreadAFiber(), "IsThreadAFiber reported FALSE\n");
 156     test_ConvertFiberToThread();
 157     ok(!pIsThreadAFiber(), "IsThreadAFiber reported TRUE\n");
 158 }
 159
 160 static void test_FiberLocalStorage(PFLS_CALLBACK_FUNCTION cbfunc)
 161 {
 162     DWORD fls;
 163     BOOL ret;
 164     PVOID val = (PVOID) 1587;
 165
 166     if (!pFlsAlloc)
 167     {
 168         win_skip( "Fiber Local Storage not supported\n" );
 169         return;
 170     }
 171     cbCount = 0;
 172
 173     fls = pFlsAlloc(cbfunc);
 174     ok(fls != FLS_OUT_OF_INDEXES, "FlsAlloc failed with error %d\n", GetLastError());
 175
 176     ret = pFlsSetValue(fls, val);
 177     ok(ret, "FlsSetValue failed\n");
 178     ok(val == pFlsGetValue(fls), "FlsGetValue failed\n");
 179
 180     ret = pFlsFree(fls);
 181     ok(ret, "FlsFree failed\n");
 182     if (cbfunc)
 183         todo_wine ok(cbCount == 1, "Wrong callback count: %d\n", cbCount);
 184 }
 185
 186 START_TEST(fiber)
 187 {
 188     init_funcs();
 189
 190     if (!pCreateFiber)
 191     {
 192         win_skip( "Fibers not supported by win95\n" );
 193         return;
 194     }
 195
 196     test_FiberHandling();
 197     test_FiberLocalStorage(NULL);
 198     test_FiberLocalStorage(FiberLocalStorageProc);
 199 }