Add a bunch of new MDI tests

Dmitry Timoshkov dmitry at baikal.ru
Sat Sep 11 04:39:47 CDT 2004


Hello,

please apply this patch after the one adding flags logging for
WM_WINDOWPOSCHANGING/WM_WINDOWPOSCHANGED messages.

Changelog:
    Dmitry Timoshkov <dmitry at codeweavers.com>
    Add a bunch of new MDI tests.

diff -u cvs/hq/wine/dlls/user/tests/msg.c wine/dlls/user/tests/msg.c
--- cvs/hq/wine/dlls/user/tests/msg.c	2004-09-11 16:53:03.000000000 +0900
+++ wine/dlls/user/tests/msg.c	2004-09-11 18:09:36.000000000 +0900
@@ -1073,6 +1073,201 @@ static const struct message WmDestroyMDI
     { WM_NCDESTROY, sent },
     { 0 }
 };
+/* CreateWindow for the 1st MDI child window, initially visible and maximized */
+static const struct message WmCreateMDIchildVisibleMaxSeq1[] = {
+    { HCBT_CREATEWND, hook },
+    { WM_NCCREATE, sent }, 
+    { WM_NCCALCSIZE, sent|wparam, 0 },
+    { WM_CREATE, sent },
+    { WM_SIZE, sent },
+    { WM_MOVE, sent },
+    { HCBT_MINMAX, hook|lparam, 0, SW_MAXIMIZE },
+    { WM_GETMINMAXINFO, sent },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|0x8000 },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE|0x8000 },
+    { WM_SIZE, sent|defwinproc },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    /* Win2k sends wparam set to
+     * MAKEWPARAM(WM_CREATE, MDI_FIRST_CHILD_ID + nTotalCreated),
+     * while Win9x doesn't bother to set child window id according to
+     * CLIENTCREATESTRUCT.idFirstChild
+     */
+    { WM_PARENTNOTIFY, sent /*|wparam, WM_CREATE*/ }, /* in MDI client */
+    { WM_SHOWWINDOW, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { WM_MDIREFRESHMENU, sent/*|wparam|lparam, 0, 0*/ },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
+    { WM_CHILDACTIVATE, sent|wparam|lparam, 0, 0 },
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
+
+    /* Win9x: message sequence terminates here. */
+
+    { WM_NCACTIVATE, sent|wparam|defwinproc, 1 },
+    { HCBT_SETFOCUS, hook }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 1 }, /* in MDI client */
+    { WM_SETFOCUS, sent }, /* in MDI client */
+    { HCBT_SETFOCUS, hook },
+    { WM_KILLFOCUS, sent }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 0 }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|defwinproc|optional, 1 },
+    { WM_SETFOCUS, sent|defwinproc },
+    { WM_MDIACTIVATE, sent|defwinproc },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { 0 }
+};
+/* CreateWindow for the 2nd MDI child window, initially visible and maximized */
+static const struct message WmCreateMDIchildVisibleMaxSeq2[] = {
+    /* restore the 1st MDI child */
+    { WM_SETREDRAW, sent|wparam, 0 },
+    { HCBT_MINMAX, hook },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|0x8000 },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_CHILDACTIVATE, sent|wparam|lparam, 0, 0 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE|0x8000 },
+    { WM_SIZE, sent|defwinproc },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { WM_SETREDRAW, sent|wparam, 1 }, /* in the 1st MDI child */
+    /* create the 2nd MDI child */
+    { HCBT_CREATEWND, hook },
+    { WM_NCCREATE, sent }, 
+    { WM_NCCALCSIZE, sent|wparam, 0 },
+    { WM_CREATE, sent },
+    { WM_SIZE, sent },
+    { WM_MOVE, sent },
+    { HCBT_MINMAX, hook|lparam, 0, SW_MAXIMIZE },
+    { WM_GETMINMAXINFO, sent },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|0x8000 },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE|0x8000 },
+    { WM_SIZE, sent|defwinproc },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    /* Win2k sends wparam set to
+     * MAKEWPARAM(WM_CREATE, MDI_FIRST_CHILD_ID + nTotalCreated),
+     * while Win9x doesn't bother to set child window id according to
+     * CLIENTCREATESTRUCT.idFirstChild
+     */
+    { WM_PARENTNOTIFY, sent /*|wparam, WM_CREATE*/ }, /* in MDI client */
+    { WM_SHOWWINDOW, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { WM_MDIREFRESHMENU, sent/*|wparam|lparam, 0, 0*/ },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
+    { WM_CHILDACTIVATE, sent|wparam|lparam, 0, 0 },
+
+    { WM_NCACTIVATE, sent|wparam|defwinproc, 0 }, /* in the 1st MDI child */
+    { WM_MDIACTIVATE, sent|defwinproc }, /* in the 1st MDI child */
+
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
+
+    /* Win9x: message sequence terminates here. */
+
+    { WM_NCACTIVATE, sent|wparam|defwinproc, 1 },
+    { HCBT_SETFOCUS, hook },
+    { WM_KILLFOCUS, sent|defwinproc }, /* in the 1st MDI child */
+    { WM_IME_SETCONTEXT, sent|wparam|defwinproc|optional, 0 }, /* in the 1st MDI child */
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 1 }, /* in MDI client */
+    { WM_SETFOCUS, sent }, /* in MDI client */
+    { HCBT_SETFOCUS, hook },
+    { WM_KILLFOCUS, sent }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 0 }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|defwinproc|optional, 1 },
+    { WM_SETFOCUS, sent|defwinproc },
+
+    { WM_MDIACTIVATE, sent|defwinproc },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { 0 }
+};
+/* WM_SYSCOMMAND/SC_CLOSE for the 2nd MDI child window, initially visible and maximized */
+static const struct message WmDestroyMDIchildVisibleMaxSeq2[] = {
+    { WM_SYSCOMMAND, sent|wparam, SC_CLOSE },
+    { HCBT_SYSCOMMAND, hook },
+    { WM_CLOSE, sent|defwinproc },
+    { WM_MDIDESTROY, sent }, /* in MDI client */
+
+    /* bring the 1st MDI child to top */
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOSIZE|SWP_NOMOVE }, /* in the 1st MDI child */
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE }, /* in the 2nd MDI child */
+    { WM_CHILDACTIVATE, sent|defwinproc|wparam|lparam, 0, 0 }, /* in the 1st MDI child */
+    { WM_NCACTIVATE, sent|wparam|defwinproc, 0 }, /* in the 1st MDI child */
+    { WM_MDIACTIVATE, sent|defwinproc }, /* in the 1st MDI child */
+
+    /* maximize the 1st MDI child */
+    { HCBT_MINMAX, hook },
+    { WM_GETMINMAXINFO, sent|defwinproc },
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_FRAMECHANGED|0x8000 },
+    { WM_NCCALCSIZE, sent|defwinproc|wparam, 1 },
+    { WM_CHILDACTIVATE, sent|defwinproc|wparam|lparam, 0, 0 },
+    { WM_WINDOWPOSCHANGED, sent|wparam|defwinproc, SWP_FRAMECHANGED|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE|0x8000 },
+    { WM_SIZE, sent|defwinproc },
+
+    /* restore the 2nd MDI child */
+    { WM_SETREDRAW, sent|defwinproc|wparam, 0 },
+    { HCBT_MINMAX, hook },
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_SHOWWINDOW|SWP_NOZORDER|0x8000 },
+    { WM_NCCALCSIZE, sent|defwinproc|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE|0x8000 },
+    { WM_SIZE, sent|defwinproc },
+    { WM_SETREDRAW, sent|defwinproc|wparam, 1 },
+     /* in MDI frame */
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_NCCALCSIZE, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_FRAMECHANGED|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+
+    /* bring the 1st MDI child to top */
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
+    { WM_NCACTIVATE, sent|wparam|defwinproc, 1 },
+    { HCBT_SETFOCUS, hook },
+    { WM_KILLFOCUS, sent|defwinproc },
+    { WM_IME_SETCONTEXT, sent|wparam|defwinproc|optional, 0 },
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 1 }, /* in MDI client */
+    { WM_SETFOCUS, sent }, /* in MDI client */
+    { HCBT_SETFOCUS, hook },
+    { WM_KILLFOCUS, sent }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|optional, 0 }, /* in MDI client */
+    { WM_IME_SETCONTEXT, sent|wparam|defwinproc|optional, 1 },
+    { WM_SETFOCUS, sent|defwinproc },
+    { WM_MDIACTIVATE, sent|defwinproc },
+    { WM_WINDOWPOSCHANGED, sent|wparam|defwinproc, SWP_NOSIZE|SWP_NOMOVE|SWP_NOREDRAW|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+
+    /* apparently ShowWindow(SW_SHOW) on an MDI client */
+    { WM_SHOWWINDOW, sent|wparam, 1 },
+    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+    { WM_MDIREFRESHMENU, sent },
+
+    { HCBT_DESTROYWND, hook },
+    /* Win2k sends wparam set to
+     * MAKEWPARAM(WM_DESTROY, MDI_FIRST_CHILD_ID + nTotalCreated),
+     * while Win9x doesn't bother to set child window id according to
+     * CLIENTCREATESTRUCT.idFirstChild
+     */
+    { WM_PARENTNOTIFY, sent /*|wparam, WM_DESTROY*/ }, /* in MDI client */
+    { WM_SHOWWINDOW, sent|defwinproc|wparam, 0 },
+    { WM_WINDOWPOSCHANGING, sent|wparam|defwinproc, SWP_HIDEWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER },
+    { WM_ERASEBKGND, sent|parent|optional },
+    { WM_WINDOWPOSCHANGED, sent|wparam|defwinproc, SWP_HIDEWINDOW|SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
+
+    { WM_DESTROY, sent|defwinproc },
+    { WM_NCDESTROY, sent|defwinproc },
+    { 0 }
+};
 
 static HWND mdi_client;
 static WNDPROC old_mdi_client_proc;
@@ -1250,7 +1445,8 @@ static BOOL mdi_RegisterWindowClasses(vo
 static void test_mdi_messages(void)
 {
     CLIENTCREATESTRUCT client_cs;
-    HWND mdi_frame, mdi_child;
+    HWND mdi_frame, mdi_child, mdi_child2, active_child;
+    BOOL zoomed;
 
     assert(mdi_RegisterWindowClasses());
 
@@ -1279,6 +1475,10 @@ static void test_mdi_messages(void)
 
     ok(GetFocus() == mdi_frame, "input focus should be on MDI frame not on %p\n", GetFocus());
 
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(!active_child, "wrong active MDI child %p\n", active_child);
+    ok(!zoomed, "wrong zoomed state %d\n", zoomed);
+
     SetFocus(0);
     flush_sequence();
 
@@ -1293,26 +1493,147 @@ static void test_mdi_messages(void)
     ok(GetWindowLongA(mdi_child, GWL_STYLE) & WS_VISIBLE, "MDI child should be visible\n");
     ok(IsWindowVisible(mdi_child), "MDI child should be visible\n");
 
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child, "wrong active MDI child %p\n", active_child);
+    ok(!zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
     DestroyWindow(mdi_child);
     ok_sequence(WmDestroyMDIchildVisibleSeq, "Destroy visible MDI child window", TRUE);
 
+    /* Win2k: MDI client still returns a just destroyed child as active
+     * Win9x: MDI client returns 0
+     */
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child || /* win2k */
+       !active_child, /* win9x */
+       "wrong active MDI child %p\n", active_child);
+    ok(!zoomed, "wrong zoomed state %d\n", zoomed);
+
     SetFocus(0);
     flush_sequence();
 
     trace("creating invisible MDI child window\n");
-    mdi_child = CreateWindowExA(WS_EX_MDICHILD, "MDI_child_class", "MDI child",
+    mdi_child2 = CreateWindowExA(WS_EX_MDICHILD, "MDI_child_class", "MDI child",
                                 WS_CHILD,
                                 0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
                                 mdi_client, 0, GetModuleHandleA(0), NULL);
-    assert(mdi_child);
+    assert(mdi_child2);
     ok_sequence(WmCreateMDIchildInvisibleSeq, "Create invisible MDI child window", TRUE);
 
-    ok(!(GetWindowLongA(mdi_child, GWL_STYLE) & WS_VISIBLE), "MDI child should not be visible\n");
-    ok(!IsWindowVisible(mdi_child), "MDI child should not be visible\n");
+    ok(!(GetWindowLongA(mdi_child2, GWL_STYLE) & WS_VISIBLE), "MDI child should not be visible\n");
+    ok(!IsWindowVisible(mdi_child2), "MDI child should not be visible\n");
 
-    DestroyWindow(mdi_child);
+    /* Win2k: MDI client still returns a just destroyed child as active
+     * Win9x: MDI client returns mdi_child2
+     */
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child || /* win2k */
+       active_child == mdi_child2, /* win9x */
+       "wrong active MDI child %p\n", active_child);
+    ok(!zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
+    ShowWindow(mdi_child2, SW_SHOW);
+    ok_sequence(WmShowChildSeq, "ShowWindow(SW_SHOW):MDI child", TRUE);
+
+    ShowWindow(mdi_child2, SW_HIDE);
+    ok_sequence(WmHideChildSeq, "ShowWindow(SW_HIDE):MDI child", FALSE);
+
+    DestroyWindow(mdi_child2);
     ok_sequence(WmDestroyMDIchildInvisibleSeq, "Destroy invisible MDI child window", TRUE);
 
+    /* test for maximized MDI children */
+    trace("creating maximized visible MDI child window 1\n");
+    mdi_child = CreateWindowExA(WS_EX_MDICHILD, "MDI_child_class", "MDI child",
+                                WS_CHILD | WS_VISIBLE | WS_MAXIMIZEBOX | WS_MAXIMIZE,
+                                0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
+                                mdi_client, 0, GetModuleHandleA(0), NULL);
+    assert(mdi_child);
+    ok_sequence(WmCreateMDIchildVisibleMaxSeq1, "Create maximized visible 1st MDI child window", TRUE);
+    ok(IsZoomed(mdi_child), "1st MDI child should be maximized\n");
+
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child, "wrong active MDI child %p\n", active_child);
+    ok(zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
+    trace("creating maximized visible MDI child window 2\n");
+    mdi_child2 = CreateWindowExA(WS_EX_MDICHILD, "MDI_child_class", "MDI child",
+                                WS_CHILD | WS_VISIBLE | WS_MAXIMIZEBOX | WS_MAXIMIZE,
+                                0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
+                                mdi_client, 0, GetModuleHandleA(0), NULL);
+    assert(mdi_child2);
+    ok_sequence(WmCreateMDIchildVisibleMaxSeq2, "Create maximized visible 2nd MDI child 2 window", TRUE);
+    ok(IsZoomed(mdi_child2), "2nd MDI child should be maximized\n");
+    ok(!IsZoomed(mdi_child), "1st MDI child should NOT be maximized\n");
+
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child2, "wrong active MDI child %p\n", active_child);
+    ok(zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
+    DestroyWindow(mdi_child2);
+    ok_sequence(WmDestroyMDIchildVisibleSeq, "Destroy visible MDI child window", TRUE);
+
+    ok(!IsZoomed(mdi_child), "1st MDI child should NOT be maximized\n");
+    ok(GetFocus() == 0, "GetFocus() = %p\n", GetFocus());
+
+    /* Win2k: MDI client still returns a just destroyed child as active
+     * Win9x: MDI client returns 0
+     */
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child2 || /* win2k */
+       !active_child, /* win9x */
+       "wrong active MDI child %p\n", active_child);
+    flush_sequence();
+
+    ShowWindow(mdi_child, SW_MAXIMIZE);
+    ok(IsZoomed(mdi_child), "1st MDI child should be maximized\n");
+    flush_sequence();
+
+    trace("re-creating maximized visible MDI child window 2\n");
+    mdi_child2 = CreateWindowExA(WS_EX_MDICHILD, "MDI_child_class", "MDI child",
+                                WS_CHILD | WS_VISIBLE | WS_MAXIMIZEBOX | WS_MAXIMIZE,
+                                0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
+                                mdi_client, 0, GetModuleHandleA(0), NULL);
+    assert(mdi_child2);
+    ok_sequence(WmCreateMDIchildVisibleMaxSeq2, "Create maximized visible 2nd MDI child 2 window", TRUE);
+    ok(IsZoomed(mdi_child2), "2nd MDI child should be maximized\n");
+    ok(!IsZoomed(mdi_child), "1st MDI child should NOT be maximized\n");
+
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child2, "wrong active MDI child %p\n", active_child);
+    ok(zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
+    SendMessageA(mdi_child2, WM_SYSCOMMAND, SC_CLOSE, 0);
+    ok_sequence(WmDestroyMDIchildVisibleMaxSeq2, "WM_SYSCOMMAND/SC_CLOSE on a visible maximized MDI child window", TRUE);
+    ok(!IsWindow(mdi_child2), "MDI child 2 should be destroyed\n");
+
+    ok(IsZoomed(mdi_child), "1st MDI child should be maximized\n");
+todo_wine {
+    ok(GetFocus() == mdi_child, "GetFocus() = %p\n", GetFocus());
+}
+
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child, "wrong active MDI child %p\n", active_child);
+    ok(zoomed, "wrong zoomed state %d\n", zoomed);
+    flush_sequence();
+
+    DestroyWindow(mdi_child);
+    ok_sequence(WmDestroyMDIchildVisibleSeq, "Destroy visible MDI child window", TRUE);
+
+    /* Win2k: MDI client still returns a just destroyed child as active
+     * Win9x: MDI client returns 0
+     */
+    active_child = (HWND)SendMessageA(mdi_client, WM_MDIGETACTIVE, 0, (LPARAM)&zoomed);
+    ok(active_child == mdi_child || /* win2k */
+       !active_child, /* win9x */
+       "wrong active MDI child %p\n", active_child);
+    flush_sequence();
+    /* end of test for maximized MDI children */
+
     DestroyWindow(mdi_client);
     ok_sequence(WmDestroyMDIclientSeq, "Destroy MDI client window", FALSE);
 






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