kernel32: Add some tests for DeleteFile.

dlls/kernel32/tests/file.c

@@ -2,6 +2,7 @@
  * Unit tests for file functions in Wine
  *
  * Copyright (c) 2002, 2004 Jakob Eriksson
+ * Copyright (c) 2008 Jeff Zaroyko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -841,6 +842,10 @@ static void test_DeleteFileA( void )
 static void test_DeleteFileW( void )
 {
     BOOL ret;
+    WCHAR pathW[MAX_PATH];
+    WCHAR pathsubW[MAX_PATH];
+    static const WCHAR dirW[] = {'d','e','l','e','t','e','f','i','l','e',0};
+    static const WCHAR subdirW[] = {'\\','s','u','b',0};
     static const WCHAR emptyW[]={'\0'};
 
     ret = DeleteFileW(NULL);
@@ -852,6 +857,35 @@ static void test_DeleteFileW( void )
     ret = DeleteFileW(emptyW);
     ok(!ret && GetLastError() == ERROR_PATH_NOT_FOUND,
        "DeleteFileW(\"\") returned ret=%d error=%d\n",ret,GetLastError());
+
+    /* test DeleteFile on empty directory */
+    ret = GetTempPathW(MAX_PATH, pathW);
+    if (ret + sizeof(dirW)/sizeof(WCHAR)-1 + sizeof(subdirW)/sizeof(WCHAR)-1 >= MAX_PATH)
+    {
+        ok(0, "MAX_PATH exceeded in constructing paths");
+        return;
+    }
+    lstrcatW(pathW, dirW);
+    lstrcpyW(pathsubW, pathW);
+    lstrcatW(pathsubW, subdirW);
+    ret = CreateDirectoryW(pathW, NULL);
+    ok(ret == TRUE, "couldn't create directory deletefile\n");
+    ret = DeleteFileW(pathW);
+    todo_wine ok(ret == FALSE, "DeleteFile should fail for empty directories\n");
+    ret = RemoveDirectoryW(pathW);
+    todo_wine ok(ret == TRUE, "expected to remove directory deletefile\n");
+
+    /* test DeleteFile on non-empty directory */
+    ret = CreateDirectoryW(pathW, NULL);
+    ok(ret == TRUE, "couldn't create directory deletefile\n");
+    ret = CreateDirectoryW(pathsubW, NULL);
+    ok(ret == TRUE, "couldn't create directory deletefile\\sub\n");
+    ret = DeleteFileW(pathW);
+    todo_wine ok(ret == FALSE, "DeleteFile should fail for non-empty directories\n");
+    ret = RemoveDirectoryW(pathsubW);
+    ok(ret == TRUE, "expected to remove directory deletefile\\sub\n");
+    ret = RemoveDirectoryW(pathW);
+    ok(ret == TRUE, "expected to remove directory deletefile\n");
 }
 
 #define IsDotDir(x)     ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))