reactos/rostests/apitests/w32knapi/ntuser/NtUserEnumDisplayMonitors.c

53 lines
987 B
C

ULONG gMonitorCount = 0;
HDC ghdcMonitor = 0;
RECT grcMonitor = {0};
BOOL
NTAPI
NtUserEnumDisplayMonitors1(
HDC hDC,
LPCRECT lprcClip,
MONITORENUMPROC lpfnEnum,
LPARAM dwData)
{
return (INT)Syscall(L"NtUserEnumDisplayMonitors", 4, &hDC);
}
BOOL CALLBACK
MonitorEnumProc(
HMONITOR hMonitor,
HDC hdcMonitor,
LPRECT lprcMonitor,
LPARAM dwData)
{
gMonitorCount++;
if (gMonitorCount == 1)
{
ghdcMonitor = hdcMonitor;
grcMonitor = *lprcMonitor;
}
return TRUE;
}
INT
Test_NtUserEnumDisplayMonitors(PTESTINFO pti)
{
BOOL ret;
// WILL crash!
// TEST(NtUserEnumDisplayMonitors1(NULL, NULL, NULL, 0) == 0);
ret = NtUserEnumDisplayMonitors1(0, NULL, MonitorEnumProc, 0);
TEST(ret == TRUE);
TEST(gMonitorCount > 0);
TEST(ghdcMonitor == 0);
TEST(grcMonitor.left == 0);
TEST(grcMonitor.right > 0);
TEST(grcMonitor.top == 0);
TEST(grcMonitor.bottom > 0);
return APISTATUS_NORMAL;
}