1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <windows.h>
6
7 #include <string>
8
9 #include "base/command_line.h"
10 #include "base/test/multiprocess_test.h"
11 #include "base/win/scoped_handle.h"
12 #include "base/win/scoped_process_information.h"
13 #include "base/win/startup_information.h"
14 #include "base/win/windows_version.h"
15 #include "testing/multiprocess_func_list.h"
16
17 const wchar_t kSectionName[] = L"EventTestSection";
18 const size_t kSectionSize = 4096;
19
MULTIPROCESS_TEST_MAIN(FireInheritedEvents)20 MULTIPROCESS_TEST_MAIN(FireInheritedEvents) {
21 HANDLE section = ::OpenFileMappingW(PAGE_READWRITE, false, kSectionName);
22 HANDLE* events = reinterpret_cast<HANDLE*>(::MapViewOfFile(section,
23 PAGE_READWRITE, 0, 0, kSectionSize));
24 // This event should not be valid because it wasn't explicitly inherited.
25 if (::SetEvent(events[1]))
26 return -1;
27 // This event should be valid because it was explicitly inherited.
28 if (!::SetEvent(events[0]))
29 return -1;
30
31 return 0;
32 }
33
34 class StartupInformationTest : public base::MultiProcessTest {};
35
36 // Verify that only the explicitly specified event is inherited.
TEST_F(StartupInformationTest,InheritStdOut)37 TEST_F(StartupInformationTest, InheritStdOut) {
38 if (base::win::GetVersion() < base::win::VERSION_VISTA)
39 return;
40
41 base::win::StartupInformation startup_info;
42
43 HANDLE section = ::CreateFileMappingW(INVALID_HANDLE_VALUE, NULL,
44 PAGE_READWRITE, 0, kSectionSize,
45 kSectionName);
46 ASSERT_TRUE(section);
47
48 HANDLE* events = reinterpret_cast<HANDLE*>(::MapViewOfFile(section,
49 FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, kSectionSize));
50
51 // Make two inheritable events.
52 SECURITY_ATTRIBUTES security_attributes = { sizeof(security_attributes),
53 NULL, true };
54 events[0] = ::CreateEvent(&security_attributes, false, false, NULL);
55 ASSERT_TRUE(events[0]);
56 events[1] = ::CreateEvent(&security_attributes, false, false, NULL);
57 ASSERT_TRUE(events[1]);
58
59 ASSERT_TRUE(startup_info.InitializeProcThreadAttributeList(1));
60 ASSERT_TRUE(startup_info.UpdateProcThreadAttribute(
61 PROC_THREAD_ATTRIBUTE_HANDLE_LIST, &events[0],
62 sizeof(events[0])));
63
64 std::wstring cmd_line =
65 MakeCmdLine("FireInheritedEvents").GetCommandLineString();
66
67 PROCESS_INFORMATION temp_process_info = {};
68 ASSERT_TRUE(::CreateProcess(NULL, const_cast<wchar_t*>(cmd_line.c_str()),
69 NULL, NULL, true, EXTENDED_STARTUPINFO_PRESENT,
70 NULL, NULL, startup_info.startup_info(),
71 &temp_process_info)) << ::GetLastError();
72 base::win::ScopedProcessInformation process_info(temp_process_info);
73
74 // Only the first event should be signalled
75 EXPECT_EQ(WAIT_OBJECT_0, ::WaitForMultipleObjects(2, events, false,
76 4000));
77 }
78
79