[ilardig] 51669: [KERNEL32_WINETEST] Sam Arun Raj Seeniraj: Update kernel32 winetests for dos device. See bug 993 for details.

Author: ilardig
Date: Tue May 10 16:11:30 2011
New Revision: 51669

URL: http://svn.reactos.org/svn/reactos?rev=51669&view=rev
Log:
[KERNEL32_WINETEST]
Sam Arun Raj Seeniraj: Update kernel32 winetests for dos device.
See bug 993 for details.

Modified:
    trunk/rostests/winetests/kernel32/dosdev.c

Modified: trunk/rostests/winetests/kernel32/dosdev.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/winetests/kernel32/dosdev…
==============================================================================
--- trunk/rostests/winetests/kernel32/dosdev.c [iso-8859-1] (original)
+++ trunk/rostests/winetests/kernel32/dosdev.c [iso-8859-1] Tue May 10 16:11:30 2011
@@ -25,204 +25,362 @@
 #include "winbase.h"
 #include "winerror.h"
 
-static void test_DefineDosDeviceA1(void)
+#define SUBST_DRIVE_LETTER 'M'
+#define SUBST_DRIVE "M:"
+#define SUBST_DRIVE_NON_EXIST_DIR "M:\\deadbeef"
+#define SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR "M:\\"
+#define SUBST_DRIVE_SEARCH "M:\\*"
+#define SUBST_DRIVE_LOWERCASE "m:"
+#define SUBST_DRIVE_LOWERCASE_SEARCH "m:\\*"
+#define SUBST_DRIVE2_LETTER 'R'
+#define SUBST_DRIVE2 "R:"
+#define SUBST_DRIVE2_WITH_TRAILING_PATH_SEPERATOR "R:\\"
+#define SUBST_DRIVE2_SEARCH "R:\\*"
+
+static void test_DefineDosDeviceA(void)
 {
-    /* Test using lowercase drive letters */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "m:";
+    CHAR Buffer[MAX_PATH], Target[MAX_PATH];
     BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp");
+    UINT CharCount;
+    HANDLE hnd;
+    WIN32_FIND_DATAA Data;
+    UINT SystemDriveType, DriveType1, DriveType2;
+    DWORD dwMaskPrev, dwMaskCur;
+    CHAR c;
+
+    /* Choose the symbolic link target */
+    CharCount = GetSystemWindowsDirectoryA(Target, MAX_PATH);
+    ok(CharCount > 0, "Failed to get windows directory\n");
+    c = Target[3];
+    Target[3] = '\0';
+    SystemDriveType = GetDriveTypeA(Target);
+    Target[3] = c;
+
+    /* Test with a subst drive pointing to another substed drive */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, Target);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    Result = DefineDosDeviceA(0, SUBST_DRIVE2, SUBST_DRIVE);
+    ok(Result, "Failed to subst drive\n");
+    DriveType2 = GetDriveTypeA(SUBST_DRIVE2_WITH_TRAILING_PATH_SEPERATOR);
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE2_LETTER - 'A'))), "Drive
bit is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE2_SEARCH, &Data);
+    ok(hnd != INVALID_HANDLE_VALUE, "Failed to open subst drive\n");
+    if (hnd) FindClose(hnd);
+    ok(DriveType1 == DriveType2, "subst drive types don't match\n");
+    ok(DriveType1 == SystemDriveType, "subst drive types don't match\n");
+    ok(DriveType2 == SystemDriveType, "subst drive types don't match\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, Target);
+    ok(Result, "Failed to remove subst drive using NULL Target name\n");
+    hnd = FindFirstFileA(SUBST_DRIVE2_SEARCH, &Data);
+    ok(hnd == INVALID_HANDLE_VALUE, "Opened subst drive when it should fail, we
removed the target\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE2, SUBST_DRIVE);
+    ok(Result, "Failed to remove subst drive using NULL Target name\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE2, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test using lowercase drive letter */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE_LOWERCASE, Target);
     ok(Result, "Failed to subst drive using lowercase drive letter\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 == SystemDriveType, "subst drive types don't match\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd != INVALID_HANDLE_VALUE, "Failed to open subst drive\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE_LOWERCASE, Target);
     ok(Result, "Failed to remove subst drive using lowercase drive letter\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE_LOWERCASE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test remove without using DDD_EXACT_MATCH_ON_REMOVE */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, Target);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 == SystemDriveType, "subst drive types don't match\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd != INVALID_HANDLE_VALUE, "Failed to open subst drive\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION, SUBST_DRIVE, NULL);
+    ok(Result, "Failed to remove subst drive using NULL Target name\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test multiple adds and multiple removes in add order */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    ok(GetLastError() == ERROR_FILE_NOT_FOUND, "GetLastError() reports unexpected
error code\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp3") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp3") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test multiple adds and multiple removes in reverse order */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    ok(GetLastError() == ERROR_FILE_NOT_FOUND, "GetLastError() reports unexpected
error code\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp2") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp1") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test multiple adds and multiple removes out of order */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp4");
+    ok(Result, "Failed to subst drive\n");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, "C:\\temp5");
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    ok(GetLastError() == ERROR_FILE_NOT_FOUND, "GetLastError() reports unexpected
error code\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp2");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp5") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp5");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp4") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp1");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp4") == 0), "Subst
drive is not pointing to correct target\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp3");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "Failed to query subst drive\n");
+    if (Result) ok((_stricmp(Buffer, "\\??\\C:\\temp4") == 0), "Subst
drive is not pointing to correct target");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, "C:\\temp4");
+    ok(Result, "Failed to remove subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test with trailing '\' appended to TargetPath */
+    dwMaskPrev = GetLogicalDrives();
+    strcpy_s(Buffer, MAX_PATH, Target);
+    strcat_s(Buffer, MAX_PATH, "\\\\\\");
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, Buffer);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 == SystemDriveType, "subst drive types don't match\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd != INVALID_HANDLE_VALUE, "Failed to open subst drive\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, Buffer);
+    ok(Result, "Failed to remove subst drive using NULL Target name\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test with trailing '\' appended to TargetPath and DDD_RAW_TARGET_PATH flag
*/
+    dwMaskPrev = GetLogicalDrives();
+    strcpy_s(Buffer, MAX_PATH, "\\??\\");
+    strcat_s(Buffer, MAX_PATH, Target);
+    strcat_s(Buffer, MAX_PATH, "\\\\\\");
+    Result = DefineDosDeviceA(DDD_RAW_TARGET_PATH, SUBST_DRIVE, Buffer);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when they
shouldn't\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd == INVALID_HANDLE_VALUE, "Opened subst drive when it should
fail\n");
+    ok(GetLastError() == ERROR_INVALID_NAME, "GetLastError() reports unexpected
error code\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION, SUBST_DRIVE, NULL);
+    ok(Result, "Failed to remove subst drive using NULL Target name\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test using trailing \ against drive letter */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR, Target);
+    ok(!Result, "Subst drive using trailing path seperator, this should not
happen\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+    ok(!(dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive
bit is set when it shouldn't\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd == INVALID_HANDLE_VALUE, "Opened subst drive when it should
fail\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR, Target);
+    ok(!Result, "Removing Subst drive using trailing path seperator passed when it
should fail\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR, Buffer,
MAX_PATH);
+    ok(!Result, "Subst drive is present when it should not be created in the first
place\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test using arbitary string, not necessarily a DOS drive letter */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, "!QHello:", Target);
+    ok(Result, "Failed to subst drive using non-DOS drive name\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
"!QHello:", Target);
+    ok(Result, "Failed to subst drive using non-DOS drive name\n");
+    Result = QueryDosDeviceA("!QHello:", Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test by subst a drive to itself */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, SUBST_DRIVE);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    ok(GetLastError() == ERROR_FILE_NOT_FOUND, "GetLastError() reports unexpected
error code\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd == INVALID_HANDLE_VALUE, "Opened subst drive when it should
fail\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, SUBST_DRIVE);
+    ok(Result, "Failed to remove subst drive using lowercase drive letter\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
+
+    /* Test by subst a drive to an non-existent folder under itself */
+    dwMaskPrev = GetLogicalDrives();
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, SUBST_DRIVE_NON_EXIST_DIR);
+    ok(Result, "Failed to subst drive\n");
+    DriveType1 = GetDriveTypeA(SUBST_DRIVE_WITH_TRAILING_PATH_SEPERATOR);
+    ok(DriveType1 != SystemDriveType, "subst drive types match when it
shouldn't\n");
+    ok(GetLastError() == ERROR_FILE_NOT_FOUND, "GetLastError() reports unexpected
error code\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur != dwMaskPrev, "Drive masks match when it shouldn't\n");
+    ok((dwMaskCur & (1 << (SUBST_DRIVE_LETTER - 'A'))), "Drive bit
is not set\n");
+    hnd = FindFirstFileA(SUBST_DRIVE_SEARCH, &Data);
+    ok(hnd == INVALID_HANDLE_VALUE, "Opened subst drive when it should
fail\n");
+    if (hnd) FindClose(hnd);
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, SUBST_DRIVE_NON_EXIST_DIR);
+    ok(Result, "Failed to remove subst drive using lowercase drive letter\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(!Result, "Subst drive is present even after remove attempt\n");
+    dwMaskCur = GetLogicalDrives();
+    ok(dwMaskCur == dwMaskPrev, "Drive masks don't match\n");
 }
 
-static void test_DefineDosDeviceA2(void)
+static void test_QueryDosDeviceA(void)
 {
-    /* Test using trailing \ against drive letter */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "Q:\\";
+    CHAR Buffer[MAX_PATH], Target[MAX_PATH];
     BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp");
-    ok(!Result, "Subst drive using trailing path seperator\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp");
-    ok(!Result, "Subst drive using trailing path seperator\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present when it should not be created in the first
place\n");
-}
-
-static void test_DefineDosDeviceA3(void)
-{
-    /* Test using arbitary string, not necessarily a DOS drive letter */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "!QHello:";
-    BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp");
-    ok(Result, "Failed to subst drive using non-DOS drive name\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp");
-    ok(Result, "Failed to subst drive using non-DOS drive name\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
-}
-
-static void test_DefineDosDeviceA4(void)
-{
-    /* Test remove without using DDD_EXACT_MATCH_ON_REMOVE */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "M:";
-    BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp");
-    ok(Result, "Failed to subst drive\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION, Drive, NULL);
-    ok(Result, "Failed to remove subst drive using NULL Target name\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
-}
-
-static void test_DefineDosDeviceA5(void)
-{
-    /* Test multiple adds and multiple removes in add order */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "M:";
-    BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp1");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp2");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp3");
-    ok(Result, "Failed to subst drive\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp1");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp3") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp2");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp3") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp3");
-    ok(Result, "Failed to remove subst drive\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
-}
-
-static void test_DefineDosDeviceA6(void)
-{
-    /* Test multiple adds and multiple removes in reverse order */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "M:";
-    BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp1");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp2");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp3");
-    ok(Result, "Failed to subst drive\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp3");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp2") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp2");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp1") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp1");
-    ok(Result, "Failed to remove subst drive\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
-}
-
-static void test_DefineDosDeviceA7(void)
-{
-    /* Test multiple adds and multiple removes out of order */
-    CHAR Target[MAX_PATH];
-    CHAR Drive[] = "M:";
-    BOOL Result;
-
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp1");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp2");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp3");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp4");
-    ok(Result, "Failed to subst drive\n");
-    Result = DefineDosDeviceA(0, Drive, "C:\\temp5");
-    ok(Result, "Failed to subst drive\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp2");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp5") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp5");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp4") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp1");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp4") == 0), "Subst drive is not
pointing to correct target\n");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp3");
-    ok(Result, "Failed to remove subst drive\n");
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(Result, "Failed to query subst drive\n");
-    if (Result)
-        ok((_stricmp(Target, "\\??\\C:\\temp4") == 0), "Subst drive is not
pointing to correct target");
-
-    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE, Drive,
"C:\\temp4");
-    ok(Result, "Failed to remove subst drive\n");
-
-    Result = QueryDosDeviceA(Drive, Target, MAX_PATH);
-    ok(!Result, "Subst drive is present even after remove attempt\n");
+    UINT CharCount;
+
+    /* Choose the symbolic link target */
+    CharCount = GetSystemWindowsDirectoryA(Target, MAX_PATH);
+    ok(CharCount > 0, "Failed to get windows directory\n");
+
+    Result = DefineDosDeviceA(0, SUBST_DRIVE, Target);
+    ok(Result, "Failed to subst drive\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, 0);
+    ok(!Result, "Should fail as the buffer passed is supposed to be small\n");
+    ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() reports
unexpected error code\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+    ok(Result, "failed to get target path\n");
+    ok(_strnicmp(Buffer, "\\??\\", 4) == 0, "The target returned does have
correct prefix set\n");
+    ok(stricmp(&Buffer[4], Target) == 0, "The target returned does not match the
one set\n");
+    Result = DefineDosDeviceA(DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
SUBST_DRIVE, Target);
+    ok(Result, "Failed to remove subst drive using lowercase drive letter\n");
+    Result = QueryDosDeviceA(SUBST_DRIVE, Buffer, MAX_PATH);
+
+    /* This will try to retrieve all existing MS-DOS device names */
+    Result = QueryDosDeviceA(NULL, Buffer, 0);
+    ok(!Result, "Should fail as the buffer passed is supposed to be small\n");
+    ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() reports
unexpected error code\n");
 }
 
 START_TEST(dosdev)
 {
-    test_DefineDosDeviceA1();
-    test_DefineDosDeviceA2();
-    test_DefineDosDeviceA3();
-    test_DefineDosDeviceA4();
-    test_DefineDosDeviceA5();
-    test_DefineDosDeviceA6();
-    test_DefineDosDeviceA7();
+    test_DefineDosDeviceA();
+    test_QueryDosDeviceA();
 }