Adding GetProcId unittest

base/process_util_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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"
 #include "base/file_path.h"
@@ skipping 153 matching lines @@
   SignalChildren(kSignalFileSlow);
   exit_code = 42;
   base::TerminationStatus status =
       WaitForChildTermination(handle, &exit_code);
   EXPECT_EQ(base::TERMINATION_STATUS_NORMAL_TERMINATION, status);
   EXPECT_EQ(0, exit_code);
   base::CloseProcessHandle(handle);
   remove(kSignalFileSlow);
 }
 
+#if defined(OS_WIN)
+// TODO(cpu): figure out how to test this in other platforms.
+TEST_F(ProcessUtilTest, GetProcId) {
+  base::ProcessId id1 = base::GetProcId(GetCurrentProcess());
+  EXPECT_NE(0ul, id1);
+  base::ProcessHandle handle = this->SpawnChild("SimpleChildProcess", false);
+  ASSERT_NE(base::kNullProcessHandle, handle);
+  base::ProcessId id2 = base::GetProcId(handle);
+  EXPECT_NE(0ul, id2);
+  EXPECT_NE(id1, id2);
+  base::CloseProcessHandle(handle);
+}
+#endif
+
 #if !defined(OS_MACOSX)
 // This test is disabled on Mac, since it's flaky due to ReportCrash
 // taking a variable amount of time to parse and load the debug and
 // symbol data for this unit test's executable before firing the
 // signal handler.
 //
 // TODO(gspencer): turn this test process into a very small program
 // with no symbols (instead of using the multiprocess testing
 // framework) to reduce the ReportCrash overhead.
 
@@ skipping 938 matching lines @@
       SetUpInDeathAssert();
       while ((value_ = base::AllocatePsychoticallyBigObjCObject())) {}
     }, "");
 }
 
 #endif  // !ARCH_CPU_64_BITS
 #endif  // OS_MACOSX
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_OPENBSD) &&
         // !defined(OS_WIN) && !defined(ADDRESS_SANITIZER)