Drew Ronneberg : user32/tests: Add tests for calling ShowWindow(SW_HIDE) on a hidden window.
Alexandre Julliard
julliard at wine.codeweavers.com
Fri Nov 21 09:11:39 CST 2014
Module: wine
Branch: master
Commit: 0908c43327a6d0eb2fd2052339a75aba568d89af
URL: http://source.winehq.org/git/wine.git/?a=commit;h=0908c43327a6d0eb2fd2052339a75aba568d89af
Author: Drew Ronneberg <drew_ronneberg at yahoo.com>
Date: Tue Nov 18 22:14:21 2014 -0500
user32/tests: Add tests for calling ShowWindow(SW_HIDE) on a hidden window.
---
dlls/user32/tests/msg.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 9b7453f..d829c5f 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -4621,9 +4621,21 @@ static void test_MsgWaitForMultipleObjects(HWND hwnd)
ok(ret == WAIT_IO_COMPLETION, "MsgWaitForMultipleObjectsEx returned %x\n", ret);
}
+static DWORD CALLBACK show_window_thread(LPVOID arg)
+{
+ HWND hwnd = arg;
+
+ /* function will not return if ShowWindow(SW_HIDE) calls SendMessage() */
+ ShowWindow(hwnd, SW_HIDE);
+
+ return 0;
+}
+
/* test if we receive the right sequence of messages */
static void test_messages(void)
{
+ DWORD tid;
+ HANDLE hthread;
HWND hwnd, hparent, hchild;
HWND hchild2, hbutton;
HMENU hmenu;
@@ -4656,6 +4668,22 @@ static void test_messages(void)
flush_events();
ok_sequence(WmHideOverlappedSeq, "ShowWindow(SW_HIDE):overlapped", FALSE);
+ /* test ShowWindow(SW_HIDE) on a hidden window - single threaded */
+ ShowWindow(hwnd, SW_HIDE);
+ flush_events();
+ ok_sequence(WmEmptySeq, "ShowWindow(SW_HIDE):overlapped", FALSE);
+
+ if (0)
+ {
+ /* test ShowWindow(SW_HIDE) on a hidden window - multi-threaded */
+ hthread = CreateThread(NULL, 0, show_window_thread, hwnd, 0, &tid);
+ ok(hthread != NULL, "CreateThread failed, error %d\n", GetLastError());
+ ok(WaitForSingleObject(hthread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
+ CloseHandle(hthread);
+ flush_events();
+ ok_sequence(WmEmptySeq, "ShowWindow(SW_HIDE):overlapped", FALSE);
+ }
+
ShowWindow(hwnd, SW_SHOW);
flush_events();
ok_sequence(WmShowOverlappedSeq, "ShowWindow(SW_SHOW):overlapped", TRUE);
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