[reactos] 01/04: [WIN32KNT_APITEST] Add more tests for NtUserProcessConnect() (#3937)

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=103c43861b239604341a7…

commit 103c43861b239604341a7c213a0e39ea89b1ab50
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sat Sep 4 19:53:09 2021 +0200
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Thu Sep 9 16:15:05 2021 +0200

    [WIN32KNT_APITEST] Add more tests for NtUserProcessConnect() (#3937)
    
    Show that NtUserProcessConnect() should return pointers in user client-space.
---
 .../apitests/win32nt/ntuser/NtUserProcessConnect.c | 40 ++++++++++++++++++----
 1 file changed, 34 insertions(+), 6 deletions(-)

diff --git a/modules/rostests/apitests/win32nt/ntuser/NtUserProcessConnect.c
b/modules/rostests/apitests/win32nt/ntuser/NtUserProcessConnect.c
index e89a65b7073..9ff9e7d82f4 100644
--- a/modules/rostests/apitests/win32nt/ntuser/NtUserProcessConnect.c
+++ b/modules/rostests/apitests/win32nt/ntuser/NtUserProcessConnect.c
@@ -1,22 +1,29 @@
 /*
- * PROJECT:         ReactOS api tests
- * LICENSE:         GPL - See COPYING in the top level directory
- * PURPOSE:         Test for NtUserProcessConnect
- * PROGRAMMERS:
+ * PROJECT:     ReactOS api tests
+ * LICENSE:     LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
+ * PURPOSE:     Test for NtUserProcessConnect
+ * COPYRIGHT:   Copyright 2008-2020 Timo Kreuzer
+ *              Copyright 2021 Hermes Belusca-Maito
  */
 
 #include <win32nt.h>
 
+#define NTOS_MODE_USER
+#include <ndk/exfuncs.h>
+
 START_TEST(NtUserProcessConnect)
 {
     HANDLE hProcess;
     NTSTATUS Status;
     USERCONNECT UserConnect = {0};
+    SYSTEM_BASIC_INFORMATION SystemInformation;
+    ULONG_PTR MaximumUserModeAddress;
 
     hProcess = GetCurrentProcess();
 
-    UserConnect.ulVersion = MAKELONG(0, 5);
-    Status = NtUserProcessConnect(hProcess, &UserConnect, sizeof(USERCONNECT));
+    UserConnect.ulVersion = MAKELONG(0, 5); // == USER_VERSION
+    // UserConnect.dwDispatchCount;
+    Status = NtUserProcessConnect(hProcess, &UserConnect, sizeof(UserConnect));
     TEST(NT_SUCCESS(Status));
 
     printf("UserConnect.ulVersion = 0x%lx\n", UserConnect.ulVersion);
@@ -27,4 +34,25 @@ START_TEST(NtUserProcessConnect)
     printf("UserConnect.siClient.pDispInfo = 0x%p\n",
UserConnect.siClient.pDispInfo);
     printf("UserConnect.siClient.ulSharedDelta = 0x%Ix\n",
UserConnect.siClient.ulSharedDelta);
 
+    /* Verify the validity of some mandatory fields */
+    TEST(UserConnect.ulVersion == MAKELONG(0, 5));
+    TEST(UserConnect.ulCurrentVersion == 0);
+    TEST(UserConnect.siClient.ulSharedDelta != 0);
+
+    /* Get the max um address */
+    Status = NtQuerySystemInformation(SystemBasicInformation,
+                                      &SystemInformation,
+                                      sizeof(SystemInformation),
+                                      NULL);
+    TEST(NT_SUCCESS(Status));
+
+    MaximumUserModeAddress = SystemInformation.MaximumUserModeAddress;
+
+    /* Verify the validity of pointers -- They must be in client space */
+    TEST(UserConnect.siClient.psi != NULL);
+    TEST(UserConnect.siClient.aheList != NULL);
+    // TEST(UserConnect.siClient.pDispInfo != NULL);
+    TEST((ULONG_PTR)UserConnect.siClient.psi < MaximumUserModeAddress);
+    TEST((ULONG_PTR)UserConnect.siClient.aheList < MaximumUserModeAddress);
+    // TEST((ULONG_PTR)UserConnect.siClient.pDispInfo < MaximumUserModeAddress);
 }