kernel32/tests: Clean up interlocked SList tests.

dlls/kernel32/tests/sync.c

@@ -261,104 +261,91 @@ static void test_slist(void)
     {
         SLIST_ENTRY entry;
         int value;
-    } item1, item2, item3, *pitem;
-
+    } item1, item2, item3, *item;
     SLIST_HEADER slist_header;
-    PSLIST_ENTRY entry, next;
+    SLIST_ENTRY *entry;
     USHORT size;
     int i;
 
-    VOID (WINAPI *pInitializeSListHead)(PSLIST_HEADER);
-    USHORT (WINAPI *pQueryDepthSList)(PSLIST_HEADER);
-    PSLIST_ENTRY (WINAPI *pInterlockedFlushSList)(PSLIST_HEADER);
-    PSLIST_ENTRY (WINAPI *pInterlockedPopEntrySList)(PSLIST_HEADER);
-    PSLIST_ENTRY (WINAPI *pInterlockedPushEntrySList)(PSLIST_HEADER,PSLIST_ENTRY);
-    HMODULE kernel32;
-
-    kernel32 = GetModuleHandleA("KERNEL32.DLL");
-    pInitializeSListHead = (void*) GetProcAddress(kernel32, "InitializeSListHead");
-    pQueryDepthSList = (void*) GetProcAddress(kernel32, "QueryDepthSList");
-    pInterlockedFlushSList = (void*) GetProcAddress(kernel32, "InterlockedFlushSList");
-    pInterlockedPopEntrySList = (void*) GetProcAddress(kernel32, "InterlockedPopEntrySList");
-    pInterlockedPushEntrySList = (void*) GetProcAddress(kernel32, "InterlockedPushEntrySList");
-    if (pInitializeSListHead == NULL ||
-        pQueryDepthSList == NULL ||
-        pInterlockedFlushSList == NULL ||
-        pInterlockedPopEntrySList == NULL ||
-        pInterlockedPushEntrySList == NULL)
-    {
-        win_skip("some required slist entrypoints were not found, skipping tests\n");
-        return;
-    }
-
-    memset(&slist_header, 0xFF, sizeof(slist_header));
-    pInitializeSListHead(&slist_header);
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 0, "initially created slist has size %d, expected 0\n", size);
-
     item1.value = 1;
-    ok(pInterlockedPushEntrySList(&slist_header, &item1.entry) == NULL,
-        "previous entry in empty slist wasn't NULL\n");
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 1, "slist with 1 item has size %d\n", size);
-
     item2.value = 2;
-    entry = pInterlockedPushEntrySList(&slist_header, &item2.entry);
-    ok(entry != NULL, "previous entry in non-empty slist was NULL\n");
-    if (entry != NULL)
-    {
-        pitem = (struct item*) entry;
-        ok(pitem->value == 1, "previous entry in slist wasn't the one added\n");
-    }
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 2, "slist with 2 items has size %d\n", size);
-
     item3.value = 3;
-    entry = pInterlockedPushEntrySList(&slist_header, &item3.entry);
-    ok(entry != NULL, "previous entry in non-empty slist was NULL\n");
-    if (entry != NULL)
-    {
-        pitem = (struct item*) entry;
-        ok(pitem->value == 2, "previous entry in slist wasn't the one added\n");
-    }
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 3, "slist with 3 items has size %d\n", size);
 
-    entry = pInterlockedPopEntrySList(&slist_header);
-    ok(entry != NULL, "entry shouldn't be NULL\n");
-    if (entry != NULL)
-    {
-        pitem = (struct item*) entry;
-        ok(pitem->value == 3, "unexpected entry removed\n");
-    }
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 2, "slist with 2 items has size %d\n", size);
+    memset(&slist_header, 0xff, sizeof(slist_header));
+    InitializeSListHead(&slist_header);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 0, "Expected size == 0, got %u\n", size);
+
+    entry = InterlockedPushEntrySList(&slist_header, &item1.entry);
+    ok(entry == NULL, "Expected entry == NULL, got %p\n", entry);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 1, "Expected size == 1, got %u\n", size);
+
+    entry = InterlockedPushEntrySList(&slist_header, &item2.entry);
+    ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+    item = CONTAINING_RECORD(entry, struct item, entry);
+    ok(item->value == 1, "Expected item->value == 1, got %u\n", item->value);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 2, "Expected size == 2, got %u\n", size);
+
+    entry = InterlockedPushEntrySList(&slist_header, &item3.entry);
+    ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+    item = CONTAINING_RECORD(entry, struct item, entry);
+    ok(item->value == 2, "Expected item->value == 2, got %u\n", item->value);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 3, "Expected size == 3, got %u\n", size);
+
+    entry = InterlockedPopEntrySList(&slist_header);
+    ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+    item = CONTAINING_RECORD(entry, struct item, entry);
+    ok(item->value == 3, "Expected item->value == 3, got %u\n", item->value);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 2, "Expected size == 2, got %u\n", size);
+
+    entry = InterlockedFlushSList(&slist_header);
+    ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+    item = CONTAINING_RECORD(entry, struct item, entry);
+    ok(item->value == 2, "Expected item->value == 2, got %u\n", item->value);
+    item = CONTAINING_RECORD(item->entry.Next, struct item, entry);
+    ok(item->value == 1, "Expected item->value == 1, got %u\n", item->value);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 0, "Expected size == 0, got %u\n", size);
+    entry = InterlockedPopEntrySList(&slist_header);
+    ok(entry == NULL, "Expected entry == NULL, got %p\n", entry);
 
-    entry = pInterlockedFlushSList(&slist_header);
-    size = pQueryDepthSList(&slist_header);
-    ok(size == 0, "flushed slist should be empty, size is %d\n", size);
-    if (size == 0)
+    for (i = 0; i < 65536; i++)
     {
-        ok(pInterlockedPopEntrySList(&slist_header) == NULL,
-            "popping empty slist didn't return NULL\n");
+        item = HeapAlloc(GetProcessHeap(), 0, sizeof(*item));
+        item->value = i + 1;
+        entry = InterlockedPushEntrySList(&slist_header, &item->entry);
+        if (i)
+        {
+            ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+            item = CONTAINING_RECORD(entry, struct item, entry);
+            ok(item->value == i, "Expected item->value == %u, got %u\n", i, item->value);
         }
-    ok(((struct item*)entry)->value == 2, "item 2 not in front of list\n");
-    ok(((struct item*)entry->Next)->value == 1, "item 1 not at the back of list\n");
-
-    for (i = 0; i < 65536; i++)
+        else
         {
-        entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*entry));
-        pInterlockedPushEntrySList(&slist_header, entry);
+            ok(entry == NULL, "Expected entry == NULL, got %p\n", entry);
+        }
+        size = QueryDepthSList(&slist_header);
+        ok(size == ((i + 1) & 0xffff), "Expected size == %u, got %u\n", (i + 1) & 0xffff, size);
     }
 
-    entry = pInterlockedFlushSList(&slist_header);
-    ok(entry != NULL, "not flushed\n");
-    while (entry)
+    entry = InterlockedFlushSList(&slist_header);
+    for (i = 65536; i > 0; i--)
     {
-        next = entry->Next;
-        HeapFree(GetProcessHeap(), 0, entry);
-        entry = next;
+        ok(entry != NULL, "Expected entry != NULL, got %p\n", entry);
+        item = CONTAINING_RECORD(entry, struct item, entry);
+        ok(item->value == i, "Expected item->value == %u, got %u\n", i, item->value);
+        entry = item->entry.Next;
+        HeapFree(GetProcessHeap(), 0, item);
     }
+    ok(entry == NULL, "Expected entry == NULL, got %p\n", entry);
+    size = QueryDepthSList(&slist_header);
+    ok(size == 0, "Expected size == 0, got %u\n", size);
+    entry = InterlockedPopEntrySList(&slist_header);
+    ok(entry == NULL, "Expected entry == NULL, got %p\n", entry);
 }
 
 static void test_event(void)