ws2_32: gethostbyname("") should work.
[wine] / dlls / ole32 / tests / dragdrop.c
1 /*
2  * Drag and Drop Tests
3  *
4  * Copyright 2007 Robert Shearman
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #define _WIN32_DCOM
22 #define COBJMACROS
23 #define CONST_VTABLE
24
25 #include <stdarg.h>
26 #include <stdio.h>
27
28 #include "windef.h"
29 #include "winbase.h"
30 #include "objbase.h"
31
32 #include "wine/test.h"
33
34 /* functions that are not present on all versions of Windows */
35 HRESULT (WINAPI * pCoInitializeEx)(LPVOID lpReserved, DWORD dwCoInit);
36
37 static int droptarget_addref_called;
38 static int droptarget_release_called;
39
40 /* helper macros to make tests a bit leaner */
41 #define ok_ole_success(hr, func) ok(hr == S_OK, func " failed with error 0x%08x\n", hr)
42
43 static HRESULT WINAPI DropTarget_QueryInterface(IDropTarget* iface, REFIID riid,
44                                                 void** ppvObject)
45 {
46     trace("DropTarget_QueryInterface\n");
47     if (IsEqualIID(riid, &IID_IUnknown) ||
48         IsEqualIID(riid, &IID_IDropTarget))
49     {
50         IUnknown_AddRef(iface);
51         *ppvObject = iface;
52         return S_OK;
53     }
54     *ppvObject = NULL;
55     return E_NOINTERFACE;
56 }
57
58 static ULONG WINAPI DropTarget_AddRef(IDropTarget* iface)
59 {
60     droptarget_addref_called++;
61     return 2;
62 }
63
64 static ULONG WINAPI DropTarget_Release(IDropTarget* iface)
65 {
66     droptarget_release_called++;
67     return 1;
68 }
69
70 static HRESULT WINAPI DropTarget_DragEnter(IDropTarget* iface,
71                                            IDataObject* pDataObj,
72                                            DWORD grfKeyState, POINTL pt,
73                                            DWORD* pdwEffect)
74 {
75     return E_NOTIMPL;
76 }
77
78 static HRESULT WINAPI DropTarget_DragOver(IDropTarget* iface,
79                                           DWORD grfKeyState,
80                                           POINTL pt,
81                                           DWORD* pdwEffect)
82 {
83     return E_NOTIMPL;
84 }
85
86 static HRESULT WINAPI DropTarget_DragLeave(IDropTarget* iface)
87 {
88     return E_NOTIMPL;
89 }
90
91 static HRESULT WINAPI DropTarget_Drop(IDropTarget* iface,
92                                       IDataObject* pDataObj, DWORD grfKeyState,
93                                       POINTL pt, DWORD* pdwEffect)
94 {
95     return E_NOTIMPL;
96 }
97
98 static const IDropTargetVtbl DropTarget_VTbl =
99 {
100     DropTarget_QueryInterface,
101     DropTarget_AddRef,
102     DropTarget_Release,
103     DropTarget_DragEnter,
104     DropTarget_DragOver,
105     DropTarget_DragLeave,
106     DropTarget_Drop
107 };
108
109 static IDropTarget DropTarget = { &DropTarget_VTbl };
110
111 START_TEST(dragdrop)
112 {
113     HRESULT hr;
114
115     hr = RegisterDragDrop(GetDesktopWindow(), &DropTarget);
116     ok(hr == CO_E_NOTINITIALIZED, "RegisterDragDrop without OLE initialized should have returned CO_E_NOTINITIALIZED instead of 0x%08x\n", hr);
117
118     OleInitialize(NULL);
119
120     hr = RegisterDragDrop(GetDesktopWindow(), NULL);
121     ok(hr == E_INVALIDARG, "RegisterDragDrop with NULL IDropTarget * should return E_INVALIDARG instead of 0x%08x\n", hr);
122
123     hr = RegisterDragDrop(NULL, &DropTarget);
124     ok(hr == DRAGDROP_E_INVALIDHWND, "RegisterDragDrop with NULL hwnd should return DRAGDROP_E_INVALIDHWND instead of 0x%08x\n", hr);
125
126     hr = RegisterDragDrop((HWND)0xdeadbeef, &DropTarget);
127     ok(hr == DRAGDROP_E_INVALIDHWND, "RegisterDragDrop with garbage hwnd should return DRAGDROP_E_INVALIDHWND instead of 0x%08x\n", hr);
128
129     ok(droptarget_addref_called == 0, "DropTarget_AddRef shouldn't have been called\n");
130     hr = RegisterDragDrop(GetDesktopWindow(), &DropTarget);
131     ok_ole_success(hr, "RegisterDragDrop");
132     ok(droptarget_addref_called == 1, "DropTarget_AddRef should have been called once, not %d times\n", droptarget_addref_called);
133
134     hr = RegisterDragDrop(GetDesktopWindow(), &DropTarget);
135     ok(hr == DRAGDROP_E_ALREADYREGISTERED, "RegisterDragDrop with already registered hwnd should return DRAGDROP_E_ALREADYREGISTERED instead of 0x%08x\n", hr);
136
137     ok(droptarget_release_called == 0, "DropTarget_Release shouldn't have been called\n");
138     OleUninitialize();
139     ok(droptarget_release_called == 0, "DropTarget_Release shouldn't have been called\n");
140
141     hr = RevokeDragDrop(GetDesktopWindow());
142     ok_ole_success(hr, "RevokeDragDrop");
143     ok(droptarget_release_called == 1, "DropTarget_Release should have been called once, not %d times\n", droptarget_release_called);
144
145     hr = RevokeDragDrop(NULL);
146     ok(hr == DRAGDROP_E_INVALIDHWND, "RevokeDragDrop with NULL hwnd should return DRAGDROP_E_INVALIDHWND instead of 0x%08x\n", hr);
147 }