user32/tests: Add some clipboard viewer tests.
This commit is contained in:
Alexander Scott-Johns
Alexandre Julliard
parent
1a5db69019
commit
4807fd99a7
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@ -11724,6 +11724,171 @@ static void test_defwinproc(void)
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DestroyWindow( hwnd);
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}
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#define clear_clipboard(hwnd) clear_clipboard_(__LINE__, (hwnd))
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static void clear_clipboard_(int line, HWND hWnd)
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{
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BOOL succ;
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succ = OpenClipboard(hWnd);
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ok_(__FILE__, line)(succ, "OpenClipboard failed, err=%u\n", GetLastError());
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succ = EmptyClipboard();
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ok_(__FILE__, line)(succ, "EmptyClipboard failed, err=%u\n", GetLastError());
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succ = CloseClipboard();
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ok_(__FILE__, line)(succ, "CloseClipboard failed, err=%u\n", GetLastError());
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}
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#define expect_HWND(expected, got) expect_HWND_(__LINE__, (expected), (got))
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static void expect_HWND_(int line, HWND expected, HWND got)
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{
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ok_(__FILE__, line)(got==expected, "Expected %p, got %p\n", expected, got);
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}
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static WNDPROC pOldViewerProc;
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static LRESULT CALLBACK recursive_viewer_proc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static BOOL recursion_guard;
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if (message == WM_DRAWCLIPBOARD && !recursion_guard)
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{
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recursion_guard = TRUE;
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clear_clipboard(hWnd);
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recursion_guard = FALSE;
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}
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return CallWindowProcA(pOldViewerProc, hWnd, message, wParam, lParam);
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}
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static void test_clipboard_viewers(void)
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{
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static struct message wm_change_cb_chain[] =
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{
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{ WM_CHANGECBCHAIN, sent|wparam|lparam, 0, 0 },
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{ 0 }
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};
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static const struct message wm_clipboard_destroyed[] =
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{
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{ WM_DESTROYCLIPBOARD, sent|wparam|lparam, 0, 0 },
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{ 0 }
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};
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static struct message wm_clipboard_changed[] =
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{
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{ WM_DRAWCLIPBOARD, sent|wparam|lparam, 0, 0 },
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{ 0 }
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};
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static struct message wm_clipboard_changed_and_owned[] =
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{
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{ WM_DESTROYCLIPBOARD, sent|wparam|lparam, 0, 0 },
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{ WM_DRAWCLIPBOARD, sent|wparam|lparam, 0, 0 },
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{ 0 }
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};
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HINSTANCE hInst = GetModuleHandleA(NULL);
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HWND hWnd1, hWnd2, hWnd3;
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HWND hOrigViewer;
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HWND hRet;
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hWnd1 = CreateWindowExA(0, "TestWindowClass", "Clipboard viewer test wnd 1",
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WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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GetDesktopWindow(), NULL, hInst, NULL);
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hWnd2 = CreateWindowExA(0, "SimpleWindowClass", "Clipboard viewer test wnd 2",
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WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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GetDesktopWindow(), NULL, hInst, NULL);
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hWnd3 = CreateWindowExA(0, "SimpleWindowClass", "Clipboard viewer test wnd 3",
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WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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GetDesktopWindow(), NULL, hInst, NULL);
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trace("clipbd viewers: hWnd1=%p, hWnd2=%p, hWnd3=%p\n", hWnd1, hWnd2, hWnd3);
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assert(hWnd1 && hWnd2 && hWnd3);
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flush_sequence();
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/* Test getting the clipboard viewer and setting the viewer to NULL. */
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hOrigViewer = GetClipboardViewer();
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hRet = SetClipboardViewer(NULL);
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ok_sequence(WmEmptySeq, "set viewer to NULL", FALSE);
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expect_HWND(hOrigViewer, hRet);
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expect_HWND(NULL, GetClipboardViewer());
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/* Test registering hWnd1 as a viewer. */
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hRet = SetClipboardViewer(hWnd1);
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wm_clipboard_changed[0].wParam = (WPARAM) GetClipboardOwner();
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ok_sequence(wm_clipboard_changed, "set viewer NULL->1", TRUE);
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expect_HWND(NULL, hRet);
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expect_HWND(hWnd1, GetClipboardViewer());
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/* Test that changing the clipboard actually refreshes the registered viewer. */
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clear_clipboard(hWnd1);
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wm_clipboard_changed[0].wParam = (WPARAM) GetClipboardOwner();
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ok_sequence(wm_clipboard_changed, "clear clipbd (viewer=owner=1)", TRUE);
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/* Again, but with different owner. */
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clear_clipboard(hWnd2);
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wm_clipboard_changed_and_owned[1].wParam = (WPARAM) GetClipboardOwner();
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ok_sequence(wm_clipboard_changed_and_owned, "clear clipbd (viewer=1, owner=2)", TRUE);
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/* Test re-registering same window. */
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hRet = SetClipboardViewer(hWnd1);
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wm_clipboard_changed[0].wParam = (WPARAM) GetClipboardOwner();
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ok_sequence(wm_clipboard_changed, "set viewer 1->1", TRUE);
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expect_HWND(hWnd1, hRet);
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expect_HWND(hWnd1, GetClipboardViewer());
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/* Test ChangeClipboardChain. */
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ChangeClipboardChain(hWnd2, hWnd3);
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wm_change_cb_chain[0].wParam = (WPARAM) hWnd2;
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wm_change_cb_chain[0].lParam = (LPARAM) hWnd3;
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ok_sequence(wm_change_cb_chain, "change chain (viewer=1, remove=2, next=3)", FALSE);
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expect_HWND(hWnd1, GetClipboardViewer());
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ChangeClipboardChain(hWnd2, NULL);
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wm_change_cb_chain[0].wParam = (WPARAM) hWnd2;
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wm_change_cb_chain[0].lParam = 0;
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ok_sequence(wm_change_cb_chain, "change chain (viewer=1, remove=2, next=NULL)", FALSE);
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expect_HWND(hWnd1, GetClipboardViewer());
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ChangeClipboardChain(NULL, hWnd2);
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ok_sequence(WmEmptySeq, "change chain (viewer=1, remove=NULL, next=2)", TRUE);
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expect_HWND(hWnd1, GetClipboardViewer());
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/* Actually change clipboard viewer with ChangeClipboardChain. */
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ChangeClipboardChain(hWnd1, hWnd2);
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ok_sequence(WmEmptySeq, "change chain (viewer=remove=1, next=2)", FALSE);
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expect_HWND(hWnd2, GetClipboardViewer());
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/* Test that no refresh messages are sent when viewer has unregistered. */
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clear_clipboard(hWnd2);
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ok_sequence(WmEmptySeq, "clear clipd (viewer=2, owner=1)", FALSE);
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/* Register hWnd1 again. */
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ChangeClipboardChain(hWnd2, hWnd1);
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ok_sequence(WmEmptySeq, "change chain (viewer=remove=2, next=1)", FALSE);
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expect_HWND(hWnd1, GetClipboardViewer());
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/* Subclass hWnd1 so that when it receives a WM_DRAWCLIPBOARD message, it
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* changes the clipboard. When this happens, the system shouldn't send
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* another WM_DRAWCLIPBOARD (as this could cause an infinite loop).
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*/
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pOldViewerProc = (WNDPROC) SetWindowLongPtrA(hWnd1, GWLP_WNDPROC, (LONG_PTR) recursive_viewer_proc);
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clear_clipboard(hWnd2);
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/* The clipboard owner is changed in recursive_viewer_proc: */
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wm_clipboard_changed[0].wParam = (WPARAM) hWnd2;
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ok_sequence(wm_clipboard_changed, "recursive clear clipbd (viewer=1, owner=2)", TRUE);
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/* Test unregistering. */
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ChangeClipboardChain(hWnd1, NULL);
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ok_sequence(WmEmptySeq, "change chain (viewer=remove=1, next=NULL)", FALSE);
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expect_HWND(NULL, GetClipboardViewer());
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clear_clipboard(hWnd1);
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ok_sequence(wm_clipboard_destroyed, "clear clipbd (no viewer, owner=1)", FALSE);
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DestroyWindow(hWnd1);
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DestroyWindow(hWnd2);
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DestroyWindow(hWnd3);
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SetClipboardViewer(hOrigViewer);
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}
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static void test_PostMessage(void)
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{
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static const struct
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@ -11867,6 +12032,7 @@ START_TEST(msg)
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test_menu_messages();
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test_paintingloop();
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test_defwinproc();
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test_clipboard_viewers();
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/* keep it the last test, under Windows it tends to break the tests
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* which rely on active/foreground windows being correct.
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*/
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