Gabriel Ivăncescu : ntdll/tests: Test hard linking a file to a different casing of itself or existing target.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ec20f767fb0b5012fe1c3d241af2175a1c5828df
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ec20f767fb0b5012fe1c3d241...

Author: Gabriel Ivăncescu 
Date:   Fri Apr 23 18:52:28 2021 +0300

ntdll/tests: Test hard linking a file to a different casing of itself or existing target.

Signed-off-by: Gabriel Ivăncescu 
Signed-off-by: Alexandre Julliard

---

dlls/ntdll/tests/file.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 839046a7488..d469b449a74 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -2176,6 +2176,7 @@ static void test_file_link_information(void)
     WCHAR tmp_path[MAX_PATH], oldpath[MAX_PATH + 16], newpath[MAX_PATH + 16], *filename, *p;
     FILE_LINK_INFORMATION *fli;
     FILE_NAME_INFORMATION *fni;
+    WIN32_FIND_DATAW find_data;
     BOOL success, fileDeleted;
     UNICODE_STRING name_str;
     HANDLE handle, handle2;
@@ -2283,6 +2284,46 @@ static void test_file_link_information(void)
     delete_object( oldpath );
     delete_object( newpath );

+    /* oldpath is a file, newpath is a file, ReplaceIfExists = TRUE, different casing on link */
+    res = GetTempFileNameW( tmp_path, fooW, 0, oldpath );
+    ok( res != 0, "failed to create temp file\n" );
+    handle = CreateFileW( oldpath, GENERIC_WRITE | DELETE, 0, NULL, CREATE_ALWAYS, 0, 0 );
+    ok( handle != INVALID_HANDLE_VALUE, "CreateFileW failed\n" );
+
+    res = GetTempFileNameW( tmp_path, fooW, 0, newpath );
+    ok( res != 0, "failed to create temp file\n" );
+    wcsrchr( newpath, '\' )[1] = 'F';
+    pRtlDosPathNameToNtPathName_U( newpath, &name_str, NULL, NULL );
+    fli = HeapAlloc( GetProcessHeap(), 0, sizeof(FILE_LINK_INFORMATION) + name_str.Length );
+    fli->ReplaceIfExists = TRUE;
+    fli->RootDirectory = NULL;
+    fli->FileNameLength = name_str.Length;
+    memcpy( fli->FileName, name_str.Buffer, name_str.Length );
+    pRtlFreeUnicodeString( &name_str );
+
+    U(io).Status = 0xdeadbeef;
+    res = pNtSetInformationFile( handle, &io, fli, sizeof(FILE_LINK_INFORMATION) + fli->FileNameLength, FileLinkInformation );
+    ok( U(io).Status == STATUS_SUCCESS, "io.Status expected STATUS_SUCCESS, got %x\n", U(io).Status );
+    ok( res == STATUS_SUCCESS, "res expected STATUS_SUCCESS, got %x\n", res );
+    fileDeleted = GetFileAttributesW( oldpath ) == INVALID_FILE_ATTRIBUTES && GetLastError() == ERROR_FILE_NOT_FOUND;
+    ok( !fileDeleted, "file should exist\n" );
+    fileDeleted = GetFileAttributesW( newpath ) == INVALID_FILE_ATTRIBUTES && GetLastError() == ERROR_FILE_NOT_FOUND;
+    ok( !fileDeleted, "file should exist\n" );
+
+    CloseHandle( handle );
+    handle = FindFirstFileW( newpath, &find_data );
+    ok(handle != INVALID_HANDLE_VALUE, "FindFirstFileW: failed, error %d\n", GetLastError());
+    if (handle != INVALID_HANDLE_VALUE)
+    {
+        todo_wine ok(!lstrcmpW(wcsrchr(newpath, '\') + 1, find_data.cFileName),
+           "Link did not change casing on existing target file: got %s\n", wine_dbgstr_w(find_data.cFileName));
+    }
+
+    CloseHandle( handle );
+    HeapFree( GetProcessHeap(), 0, fli );
+    delete_object( oldpath );
+    delete_object( newpath );
+
     /* oldpath is a file, newpath is a file, ReplaceIfExists = FALSE, target file opened */
     res = GetTempFileNameW( tmp_path, fooW, 0, oldpath );
     ok( res != 0, "failed to create temp file\n" );
@@ -2826,6 +2867,46 @@ static void test_file_link_information(void)
     CloseHandle( handle );
     HeapFree( GetProcessHeap(), 0, fli );
     delete_object( oldpath );
+
+    /* oldpath == newpath, different casing on link */
+    res = GetTempFileNameW( tmp_path, fooW, 0, oldpath );
+    ok( res != 0, "failed to create temp file\n" );
+    handle = CreateFileW( oldpath, GENERIC_WRITE | DELETE, 0, NULL, CREATE_ALWAYS, 0, 0 );
+    ok( handle != INVALID_HANDLE_VALUE, "CreateFileW failed\n" );
+
+    wcsrchr( oldpath, '\' )[1] = 'F';
+    pRtlDosPathNameToNtPathName_U( oldpath, &name_str, NULL, NULL );
+    fli = HeapAlloc( GetProcessHeap(), 0, sizeof(FILE_RENAME_INFORMATION) + name_str.Length );
+    fli->ReplaceIfExists = FALSE;
+    fli->RootDirectory = NULL;
+    fli->FileNameLength = name_str.Length;
+    memcpy( fli->FileName, name_str.Buffer, name_str.Length );
+    pRtlFreeUnicodeString( &name_str );
+
+    U(io).Status = 0xdeadbeef;
+    res = pNtSetInformationFile( handle, &io, fli, sizeof(FILE_LINK_INFORMATION) + fli->FileNameLength, FileLinkInformation );
+    todo_wine ok( U(io).Status == 0xdeadbeef, "got io status %#x\n", U(io).Status );
+    ok( res == STATUS_OBJECT_NAME_COLLISION, "got status %x\n", res );
+
+    fli->ReplaceIfExists = TRUE;
+    U(io).Status = 0xdeadbeef;
+    res = pNtSetInformationFile( handle, &io, fli, sizeof(FILE_LINK_INFORMATION) + fli->FileNameLength, FileLinkInformation );
+    ok( U(io).Status == STATUS_SUCCESS, "got io status %#x\n", U(io).Status );
+    ok( res == STATUS_SUCCESS, "got status %x\n", res );
+    ok( GetFileAttributesW( oldpath ) != INVALID_FILE_ATTRIBUTES, "file should exist\n" );
+
+    CloseHandle( handle );
+    handle = FindFirstFileW( oldpath, &find_data );
+    ok(handle != INVALID_HANDLE_VALUE, "FindFirstFileW: failed, error %d\n", GetLastError());
+    if (handle != INVALID_HANDLE_VALUE)
+    {
+        todo_wine ok(!lstrcmpW(wcsrchr(oldpath, '\') + 1, find_data.cFileName),
+           "Link did not change casing on same file: got %s\n", wine_dbgstr_w(find_data.cFileName));
+    }
+
+    CloseHandle( handle );
+    HeapFree( GetProcessHeap(), 0, fli );
+    delete_object( oldpath );
 }

static void test_file_both_information(void)