[PATCH 1/8] user32/tests: Attach a debugger to help SetForegroundWindow suceed.

[Rémi Bernon]

This is not strictly required and it does not even work all the time,
although MSDN says it should, but it helps, especially when multiple
processes are creating windows.

Signed-off-by: Rémi Bernon 
---
 dlls/user32/tests/win.c | 50 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/dlls/user32/tests/win.c b/dlls/user32/tests/win.c
index 843da8900f1..15205b9eb6c 100644
--- a/dlls/user32/tests/win.c
+++ b/dlls/user32/tests/win.c
@@ -11896,6 +11896,53 @@ static void test_other_process_window(const char *argv0)
     DestroyWindow(hwnd);
 }

+static void start_debugger(int argc, char **argv)
+{
+    HANDLE debug_ready;
+    BOOL ret;
+    char event_name[MAX_PATH];
+
+    if (argc == 4 && !strcmp(argv[2], "debugger"))
+    {
+        DWORD pid;
+        DEBUG_EVENT de;
+
+        sprintf(event_name, "test_debug_%s", argv[3]);
+        debug_ready = OpenEventA(EVENT_ALL_ACCESS, FALSE, event_name);
+        ok(debug_ready != 0, "OpenEventA failed\n");
+
+        sscanf(argv[3], "%x", &pid);
+        ret = DebugActiveProcess(pid);
+        ok(ret, "DebugActiveProcess failed, last error: %#x.\n", GetLastError());
+
+        SetEvent(debug_ready);
+        ok(ret, "SetEvent failed, last error %#x.\n", GetLastError());
+        CloseHandle(debug_ready);
+
+        while (WaitForDebugEvent(&de, INFINITE))
+           ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_EXCEPTION_NOT_HANDLED);
+
+        exit(0);
+    }
+    else
+    {
+        PROCESS_INFORMATION pi;
+        STARTUPINFOA si = {sizeof(si)};
+        char cmd[MAX_PATH];
+
+        sprintf(event_name, "test_debug_%x", GetCurrentProcessId());
+        debug_ready = CreateEventA(NULL, FALSE, FALSE, event_name);
+        ok(debug_ready != 0, "CreateEventA failed\n");
+
+        sprintf(cmd, "%s win debugger %x", argv[0], GetCurrentProcessId());
+        ret = CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
+        ok(ret, "CreateProcessA failed, last error: %#x.\n", GetLastError());
+
+        WaitForSingleObject(debug_ready, INFINITE);
+        CloseHandle(debug_ready);
+    }
+}
+
 START_TEST(win)
 {
     char **argv;
@@ -11920,6 +11967,9 @@ START_TEST(win)
     pAdjustWindowRectExForDpi = (void *)GetProcAddress( user32, "AdjustWindowRectExForDpi" );
     pSystemParametersInfoForDpi = (void *)GetProcAddress( user32, "SystemParametersInfoForDpi" );

+    /* attaching a debugger to the current process will make sure SetForegroundWindow always succeed */
+    start_debugger(argc, argv);
+
     if (argc == 4)
     {
         HWND hwnd;