Add scoped StartupInfoEx to base.

base/win/scoped_startup_info_ex_unittest.cc

+// 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.
+
+#include <windows.h>
+
+#include <string>
+
+#include "base/command_line.h"
+#include "base/process_util.h"
+#include "base/test/multiprocess_test.h"
+#include "base/win/scoped_handle.h"
+#include "base/win/scoped_process_information.h"
+#include "base/win/scoped_startup_info_ex.h"
+#include "testing/multiprocess_func_list.h"
+
+const wchar_t kSectionName[] = L"EventTestSection";
+const size_t kSectionSize = 4096;
+
+MULTIPROCESS_TEST_MAIN(FireInheritedEvents) {
+  HANDLE section = ::OpenFileMappingW(PAGE_READWRITE, false, kSectionName);
+  HANDLE* events = reinterpret_cast<HANDLE*>(::MapViewOfFile(section,
+      PAGE_READWRITE, 0, 0, kSectionSize));
+  // This event should not be valid because it wasn't explicitly inherited.
+  if (::SetEvent(events[1]))
+    return -1;
+  // This event should be valid because it was explicitly inherited.
+  if (!::SetEvent(events[0]))
+    return -1;
+
+  return 0;
+}
+
+class ScopedStartupInfoExTest : public base::MultiProcessTest {};
+
+// Verify that only the explicitly specified event is inherited.
+TEST_F(ScopedStartupInfoExTest, InheritStdOut) {
+  base::win::ScopedProcessInformation process_info;
+  base::win::ScopedStartupInfoEx startup_info;
+
+  HANDLE section = ::CreateFileMappingW(INVALID_HANDLE_VALUE, NULL,
+                                        PAGE_READWRITE, 0, kSectionSize,
+                                        kSectionName);
+  ASSERT_TRUE(section);
+
+  HANDLE* events = reinterpret_cast<HANDLE*>(::MapViewOfFile(section,
+      FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, kSectionSize));
+
+  // Make two inheritable events.
+  SECURITY_ATTRIBUTES security_attributes = { sizeof(security_attributes),
+                                              NULL, true };
+  events[0] = ::CreateEvent(&security_attributes, false, false, NULL);
+  ASSERT_TRUE(events[0]);
+  events[1] = ::CreateEvent(&security_attributes, false, false, NULL);
+  ASSERT_TRUE(events[1]);
+
+  ASSERT_TRUE(startup_info.InitializeProcThreadAttributeList(1));
+  ASSERT_TRUE(startup_info.UpdateProcThreadAttribute(
+      PROC_THREAD_ATTRIBUTE_HANDLE_LIST, &events[0],
+      sizeof(events[0])));
+
+  std::wstring cmd_line =
+      this->MakeCmdLine("FireInheritedEvents", false).GetCommandLineString();
+
+  ASSERT_TRUE(::CreateProcess(NULL, const_cast<wchar_t*>(cmd_line.c_str()),
+                              NULL, NULL, true, EXTENDED_STARTUPINFO_PRESENT,
+                              NULL, NULL, startup_info.startup_info(),
+                              process_info.Receive())) << ::GetLastError();
+  // Only the first event should be signalled
+  EXPECT_EQ(WAIT_OBJECT_0, ::WaitForMultipleObjects(2, events, false,
+                                                    4000));
+}
+