[APOTESTS]

[reactos.git] / rostests / apitests / win32nt / ntuser / NtUserEnumDisplayMonitors.c

diff --git a/rostests/apitests/win32nt/ntuser/NtUserEnumDisplayMonitors.c b/rostests/apitests/win32nt/ntuser/NtUserEnumDisplayMonitors.c
new file mode 100644 (file)
index 0000000..666cce4
--- /dev/null
+++ b/rostests/apitests/win32nt/ntuser/NtUserEnumDisplayMonitors.c
@@ -0,0 +1,57 @@
+/*
+ * PROJECT:         ReactOS api tests
+ * LICENSE:         GPL - See COPYING in the top level directory
+ * PURPOSE:         Test for NtUserEnumDisplayMonitors
+ * PROGRAMMERS:
+ */
+
+#include <win32nt.h>
+
+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;
+}
+
+START_TEST(NtUserEnumDisplayMonitors)
+{
+    BOOL ret;
+
+    // WILL crash!
+//     TEST(NtUserEnumDisplayMonitors1(NULL, NULL, NULL, 0) == 0);
+
+    ret = NtUserEnumDisplayMonitors(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);
+
+}