[PATCH v3 1/2] kernel32/tests: Fix stack overflow by DefineDosDeviceW().

[Xu Wei]

Signed-off-by: Xu Wei 
---
 dlls/kernel32/tests/volume.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/dlls/kernel32/tests/volume.c b/dlls/kernel32/tests/volume.c
index cb35de6add1..2fe8c1995cf 100644
--- a/dlls/kernel32/tests/volume.c
+++ b/dlls/kernel32/tests/volume.c
@@ -111,6 +111,7 @@ static void test_dos_devices(void)
 {
     char buf[MAX_PATH], buf2[400];
     char drivestr[3];
+    WCHAR drivestrW[3];
     HANDLE file;
     BOOL ret;

@@ -185,6 +186,21 @@ static void test_dos_devices(void)
     ret = QueryDosDeviceA( drivestr, buf, sizeof(buf) );
     ok(!ret, "expected failure\n");
     ok(GetLastError() == ERROR_FILE_NOT_FOUND, "got error %u\n", GetLastError());
+
+    SetLastError(0);
+    ret = DefineDosDeviceW( DDD_RAW_TARGET_PATH, drivestrW, NULL );
+    ok(!ret, "expected failure\n");
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "got error %u\n", GetLastError());
+
+    SetLastError(0);
+    ret = DefineDosDeviceW( DDD_RAW_TARGET_PATH, NULL, drivestrW );
+    ok(ret, "got error %u\n", GetLastError());
+
+    SetLastError(0);
+    DefineDosDeviceW( DDD_EXACT_MATCH_ON_REMOVE|DDD_RAW_TARGET_PATH|DDD_REMOVE_DEFINITION,
+            "{00000001-0000-0000-0000-4E6574446576}",
+            "\Device\{00000001-0000-0000-0000-4E6574446576}" );
+    ok(ret, "got error %u\n", GetLastError());
 }

static void test_FindFirstVolume(void)