[PATCH v4 1/4] advapi32/tests: Add test for CurrentControlSet link.

[Torge Matthies]

From: Torge Matthies

Signed-off-by: Torge Matthies 
---
 dlls/advapi32/tests/registry.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/dlls/advapi32/tests/registry.c b/dlls/advapi32/tests/registry.c
index 8bffefe8628..86784a16d5c 100644
--- a/dlls/advapi32/tests/registry.c
+++ b/dlls/advapi32/tests/registry.c
@@ -4955,6 +4955,39 @@ static void test_RegRenameKey(void)
     RegCloseKey(key);
 }

+static inline BOOL check_cs_number( const WCHAR *str )
+{
+    if (str[0] < '0' || str[0] > '9' || str[1] < '0' || str[1] > '9' || str[2] < '0' || str[2] > '9')
+        return FALSE;
+    if (str[0] == '0' && str[1] == '0' && str[2] == '0')
+        return FALSE;
+    return TRUE;
+}
+
+static void test_control_set_symlink(void)
+{
+    static const WCHAR target_pfxW[] = L"\REGISTRY\Machine\System\ControlSet";
+    DWORD target_len, type, len, err;
+    BYTE buffer[1024];
+    HKEY key;
+
+    target_len = sizeof(target_pfxW) + 3 * sizeof(WCHAR);
+
+    err = RegOpenKeyExA( HKEY_LOCAL_MACHINE, "System\CurrentControlSet", REG_OPTION_OPEN_LINK, KEY_QUERY_VALUE, &key );
+    ok( err == ERROR_SUCCESS, "RegOpenKeyEx failed error %lu\n", err );
+    len = sizeof(buffer);
+    err = RegQueryValueExA( key, "SymbolicLinkValue", NULL, &type, buffer, &len );
+    todo_wine
+    ok( err == ERROR_SUCCESS, "RegQueryValueEx failed error %lu\n", err );
+    todo_wine
+    ok( len == target_len - sizeof(WCHAR), "wrong len %lu\n", len );
+    todo_wine
+    ok( !_wcsnicmp( (WCHAR*)buffer, target_pfxW, ARRAY_SIZE(target_pfxW) - 1 ) &&
+        check_cs_number( (WCHAR*)buffer + ARRAY_SIZE(target_pfxW) - 1 ),
+        "wrong link target\n" );
+    RegCloseKey( key );
+}
+
 START_TEST(registry)
 {
     /* Load pointers for functions that are not available in all Windows versions */
@@ -4996,6 +5029,7 @@ START_TEST(registry)
     test_EnumDynamicTimeZoneInformation();
     test_perflib_key();
     test_RegRenameKey();
+    test_control_set_symlink();

/* cleanup */
     delete_key( hkey_main );