From f70e43c8f34a0cfa44e5fad3279909b18588be4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bi=C8=99oc=20George?= <fraizeraust99@gmail.com>
Date: Sun, 29 Mar 2020 19:01:41 +0200
Subject: [PATCH] [APITEST][NTDLL] Initial implementation of
 NtSetInformationProcess() testcase

The following testcase only performs argument checks for ProcessForegroundInformation class for the moment. The testcase will be expanded with further tests when needed.
---
 .../rostests/apitests/ntdll/CMakeLists.txt    |  1 +
 .../apitests/ntdll/NtSetInformationProcess.c  | 80 +++++++++++++++++++
 modules/rostests/apitests/ntdll/testlist.c    |  2 +
 3 files changed, 83 insertions(+)
 create mode 100644 modules/rostests/apitests/ntdll/NtSetInformationProcess.c

diff --git a/modules/rostests/apitests/ntdll/CMakeLists.txt b/modules/rostests/apitests/ntdll/CMakeLists.txt
index 64b147bdeec..7da1843babe 100644
--- a/modules/rostests/apitests/ntdll/CMakeLists.txt
+++ b/modules/rostests/apitests/ntdll/CMakeLists.txt
@@ -33,6 +33,7 @@ list(APPEND SOURCE
     NtReadFile.c
     NtSaveKey.c
     NtSetInformationFile.c
+    NtSetInformationProcess.c
     NtSetValueKey.c
     NtSetVolumeInformationFile.c
     NtUnloadDriver.c
diff --git a/modules/rostests/apitests/ntdll/NtSetInformationProcess.c b/modules/rostests/apitests/ntdll/NtSetInformationProcess.c
new file mode 100644
index 00000000000..b5fcc18e2db
--- /dev/null
+++ b/modules/rostests/apitests/ntdll/NtSetInformationProcess.c
@@ -0,0 +1,80 @@
+/*
+ * PROJECT:         ReactOS API tests
+ * LICENSE:         GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
+ * PURPOSE:         Tests for the NtSetInformationProcess API
+ * COPYRIGHT:       Copyright 2020 Bișoc George <fraizeraust99 at gmail dot com>
+ */
+
+#include "precomp.h"
+
+static
+void
+Test_ProcForegroundBackgroundClass(void)
+{
+    NTSTATUS Status;
+    PPROCESS_FOREGROUND_BACKGROUND ProcForeground;
+
+    ProcForeground = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PROCESS_FOREGROUND_BACKGROUND));
+    if (ProcForeground == NULL)
+    {
+        skip("Failed to allocate memory block from heap for PROCESS_FOREGROUND_BACKGROUND!\n");
+        return;
+    }
+
+    /* As a test, set the foreground of the retrieved current process to FALSE */
+    ProcForeground->Foreground = FALSE;
+
+    /* Set everything NULL for the caller */
+    Status = NtSetInformationProcess(NULL,
+                                     ProcessForegroundInformation,
+                                     NULL,
+                                     0);
+    ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
+
+    /* Give an invalid process handle (but the input buffer and length are correct) */
+    Status = NtSetInformationProcess(NULL,
+                                     ProcessForegroundInformation,
+                                     ProcForeground,
+                                     sizeof(PROCESS_FOREGROUND_BACKGROUND));
+    ok_hex(Status, STATUS_INVALID_HANDLE);
+
+    /* Give a buffer data to the argument input as NULL */
+    Status = NtSetInformationProcess(NtCurrentProcess(),
+                                     ProcessForegroundInformation,
+                                     NULL,
+                                     sizeof(PROCESS_FOREGROUND_BACKGROUND));
+    ok_hex(Status, STATUS_ACCESS_VIOLATION);
+
+    /* Set the information process foreground with an incorrect buffer alignment and zero buffer length */
+    Status = NtSetInformationProcess(NtCurrentProcess(),
+                                     ProcessForegroundInformation,
+                                     (PVOID)1,
+                                     0);
+    ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
+
+    /*
+     * Set the information process foreground with an incorrect buffer alignment but correct size length.
+     * The function will return STATUS_ACCESS_VIOLATION as the alignment probe requirement is not performed
+     * in this class.
+     */
+    Status = NtSetInformationProcess(NtCurrentProcess(),
+                                     ProcessForegroundInformation,
+                                     (PVOID)1,
+                                     sizeof(PROCESS_FOREGROUND_BACKGROUND));
+    ok_hex(Status, STATUS_ACCESS_VIOLATION);
+
+    /* Set the foreground information to the current given process, we must expect the function should succeed */
+    Status = NtSetInformationProcess(NtCurrentProcess(),
+                                     ProcessForegroundInformation,
+                                     ProcForeground,
+                                     sizeof(PROCESS_FOREGROUND_BACKGROUND));
+    ok_hex(Status, STATUS_SUCCESS);
+
+    /* Clear all the stuff */
+    HeapFree(GetProcessHeap(), 0, ProcForeground);
+}
+
+START_TEST(NtSetInformationProcess)
+{
+    Test_ProcForegroundBackgroundClass();
+}
diff --git a/modules/rostests/apitests/ntdll/testlist.c b/modules/rostests/apitests/ntdll/testlist.c
index 7624c3c23af..76357f6ece6 100644
--- a/modules/rostests/apitests/ntdll/testlist.c
+++ b/modules/rostests/apitests/ntdll/testlist.c
@@ -31,6 +31,7 @@ extern void func_NtQueryVolumeInformationFile(void);
 extern void func_NtReadFile(void);
 extern void func_NtSaveKey(void);
 extern void func_NtSetInformationFile(void);
+extern void func_NtSetInformationProcess(void);
 extern void func_NtSetValueKey(void);
 extern void func_NtSetVolumeInformationFile(void);
 extern void func_NtSystemInformation(void);
@@ -98,6 +99,7 @@ const struct test winetest_testlist[] =
     { "NtReadFile",                     func_NtReadFile },
     { "NtSaveKey",                      func_NtSaveKey},
     { "NtSetInformationFile",           func_NtSetInformationFile },
+    { "NtSetInformationProcess",        func_NtSetInformationProcess },
     { "NtSetValueKey",                  func_NtSetValueKey},
     { "NtSetVolumeInformationFile",     func_NtSetVolumeInformationFile },
     { "NtSystemInformation",            func_NtSystemInformation },