Add a utility function to run a process as an arbitrary user...

base/process_util_unittest.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #define _CRT_SECURE_NO_WARNINGS
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/eintr_wrapper.h"
@@ skipping 170 matching lines @@
 
   // Let's make sure stderr is ignored.
   CommandLine other_cmd_line(python_runtime);
   other_cmd_line.AppendLooseValue(L"-c");
   other_cmd_line.AppendLooseValue(
       L"\"import sys; sys.stderr.write('Hello!');\"");
   output.clear();
   ASSERT_TRUE(base::GetAppOutput(other_cmd_line, &output));
   EXPECT_EQ("", output);
 }
+
+TEST_F(ProcessUtilTest, LaunchAsUser) {
+  base::UserTokenHandle token;
+  ASSERT_TRUE(OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &token));
+  std::wstring cmdline =
+      this->MakeCmdLine(L"SimpleChildProcess", false).command_line_string();
+  EXPECT_TRUE(base::LaunchAppAsUser(token, cmdline, false, NULL));
+}
+
 #endif  // defined(OS_WIN)
 
 #if defined(OS_POSIX)
 // Returns the maximum number of files that a process can have open.
 // Returns 0 on error.
 int GetMaxFilesOpenInProcess() {
   struct rlimit rlim;
   if (getrlimit(RLIMIT_NOFILE, &rlim) != 0) {
     return 0;
   }
@@ skipping 264 matching lines @@
 TEST_F(OutOfMemoryTest, Posix_memalign) {
   // Grab the return value of posix_memalign to silence a compiler warning
   // about unused return values. We don't actually care about the return
   // value, since we're asserting death.
   ASSERT_DEATH(EXPECT_EQ(ENOMEM, posix_memalign(&value_, 8, test_size_)), "");
 }
 
 #endif  // defined(OS_LINUX)
 
 }  // namespace base