wintrust/tests: Use GetModuleHandleA instead of LoadLibraryA.

dlls/wintrust/tests/register.c

@@ -35,30 +35,21 @@ static BOOL (WINAPI * pWintrustLoadFunctionPointers)(GUID *, CRYPT_PROVIDER_FUNC
 
 static HMODULE hWintrust = 0;
 
-#define WINTRUST_GET_PROC(func) \
-    p ## func = (void*)GetProcAddress(hWintrust, #func); \
-    if(!p ## func) { \
-      trace("GetProcAddress(%s) failed\n", #func); \
-      FreeLibrary(hWintrust); \
-      return FALSE; \
-    }
-
-static BOOL InitFunctionPtrs(void)
+static void InitFunctionPtrs(void)
 {
-    hWintrust = LoadLibraryA("wintrust.dll");
+    hWintrust = GetModuleHandleA("wintrust.dll");
 
-    if(!hWintrust)
-    {
-        trace("Could not load wintrust.dll\n");
-        return FALSE;
-    }
+#define WINTRUST_GET_PROC(func) \
+    p ## func = (void*)GetProcAddress(hWintrust, #func); \
+    if(!p ## func) \
+      trace("GetProcAddress(%s) failed\n", #func);
 
     WINTRUST_GET_PROC(WintrustAddActionID)
     WINTRUST_GET_PROC(WintrustAddDefaultForUsage)
     WINTRUST_GET_PROC(WintrustRemoveActionID)
     WINTRUST_GET_PROC(WintrustLoadFunctionPointers)
 
-    return TRUE;
+#undef WINTRUST_GET_PROC
 }
 
 static void test_AddRem_ActionID(void)
@@ -71,6 +62,12 @@ static void test_AddRem_ActionID(void)
     CRYPT_TRUST_REG_ENTRY DummyProvider = { sizeof(CRYPT_TRUST_REG_ENTRY), DummyDllW, DummyFunctionW };
     BOOL ret;
 
+    if (!pWintrustAddActionID || !pWintrustRemoveActionID)
+    {
+        skip("WintrustAddActionID and/or WintrustRemoveActionID are not available\n");
+        return;
+    }
+
     /* All NULL */
     SetLastError(0xdeadbeef);
     ret = pWintrustAddActionID(NULL, 0, NULL);
@@ -174,6 +171,12 @@ static void test_AddDefaultForUsage(void)
     static const CHAR Usages[]  = "SOFTWARE\\Microsoft\\Cryptography\\Providers\\Trust\\Usages\\1.2.3.4.5.6.7.8.9.10";
     static CRYPT_PROVIDER_REGDEFUSAGE DefUsage;
 
+    if (!pWintrustAddDefaultForUsage)
+    {
+        skip("WintrustAddDefaultForUsage is not available\n");
+        return;
+    }
+
     /* All NULL */
     SetLastError(0xdeadbeef);
     ret = pWintrustAddDefaultForUsage(NULL, NULL);
@@ -264,6 +267,11 @@ static void test_LoadFunctionPointers(void)
     CRYPT_PROVIDER_FUNCTIONS funcs;
     GUID action = WINTRUST_ACTION_GENERIC_VERIFY_V2;
 
+    if (!pWintrustLoadFunctionPointers)
+    {
+        skip("WintrustLoadFunctionPointers is not available\n");
+        return;
+    }
     SetLastError(0xdeadbeef);
     ret = pWintrustLoadFunctionPointers(NULL, NULL);
     ok(!ret && GetLastError() == 0xdeadbeef, "Expected failure\n");
@@ -339,13 +347,10 @@ static void test_RegPolicyFlags(void)
 
 START_TEST(register)
 {
-    if(!InitFunctionPtrs())
-        return;
+    InitFunctionPtrs();
 
     test_AddRem_ActionID();
     test_AddDefaultForUsage();
     test_LoadFunctionPointers();
     test_RegPolicyFlags();
-
-    FreeLibrary(hWintrust);
 }