1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// 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_process_information.h"
#include "testing/multiprocess_func_list.h"
class ScopedProcessInformationTest : public base::MultiProcessTest {
protected:
void DoCreateProcess(const std::string& main_id,
PROCESS_INFORMATION* process_handle);
};
MULTIPROCESS_TEST_MAIN(ReturnSeven) {
return 7;
}
MULTIPROCESS_TEST_MAIN(ReturnNine) {
return 9;
}
void ScopedProcessInformationTest::DoCreateProcess(
const std::string& main_id, PROCESS_INFORMATION* process_handle) {
std::wstring cmd_line =
this->MakeCmdLine(main_id, false).GetCommandLineString();
STARTUPINFO startup_info = {};
startup_info.cb = sizeof(startup_info);
EXPECT_TRUE(::CreateProcess(NULL,
const_cast<wchar_t*>(cmd_line.c_str()),
NULL, NULL, false, 0, NULL, NULL,
&startup_info, process_handle));
}
TEST_F(ScopedProcessInformationTest, TakeProcess) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
int exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(process_info.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
ASSERT_TRUE(process_info.IsValid());
ASSERT_EQ(0u, process_info.process_id());
ASSERT_TRUE(process_info.process_handle() == NULL);
ASSERT_NE(0u, process_info.thread_id());
ASSERT_FALSE(process_info.thread_handle() == NULL);
}
TEST_F(ScopedProcessInformationTest, TakeThread) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
ASSERT_TRUE(::CloseHandle(process_info.TakeThreadHandle()));
ASSERT_TRUE(process_info.IsValid());
ASSERT_NE(0u, process_info.process_id());
ASSERT_FALSE(process_info.process_handle() == NULL);
ASSERT_EQ(0u, process_info.thread_id());
ASSERT_TRUE(process_info.thread_handle() == NULL);
}
TEST_F(ScopedProcessInformationTest, TakeBoth) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
int exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(process_info.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
ASSERT_TRUE(::CloseHandle(process_info.TakeThreadHandle()));
ASSERT_FALSE(process_info.IsValid());
ASSERT_EQ(0u, process_info.process_id());
ASSERT_TRUE(process_info.process_handle() == NULL);
ASSERT_EQ(0u, process_info.thread_id());
ASSERT_TRUE(process_info.thread_handle() == NULL);
}
TEST_F(ScopedProcessInformationTest, TakeNothing) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
ASSERT_TRUE(process_info.IsValid());
ASSERT_NE(0u, process_info.thread_id());
ASSERT_FALSE(process_info.thread_handle() == NULL);
ASSERT_NE(0u, process_info.process_id());
ASSERT_FALSE(process_info.process_handle() == NULL);
}
TEST_F(ScopedProcessInformationTest, TakeWholeStruct) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
base::win::ScopedProcessInformation other;
*other.Receive() = process_info.Take();
ASSERT_FALSE(process_info.IsValid());
ASSERT_EQ(0u, process_info.process_id());
ASSERT_TRUE(process_info.process_handle() == NULL);
ASSERT_EQ(0u, process_info.thread_id());
ASSERT_TRUE(process_info.thread_handle() == NULL);
// Validate that what was taken is good.
ASSERT_NE(0u, other.thread_id());
ASSERT_NE(0u, other.process_id());
int exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(other.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
ASSERT_TRUE(::CloseHandle(other.TakeThreadHandle()));
}
TEST_F(ScopedProcessInformationTest, Duplicate) {
base::win::ScopedProcessInformation process_info;
DoCreateProcess("ReturnSeven", process_info.Receive());
base::win::ScopedProcessInformation duplicate;
duplicate.DuplicateFrom(process_info);
ASSERT_TRUE(process_info.IsValid());
ASSERT_NE(0u, process_info.process_id());
ASSERT_EQ(duplicate.process_id(), process_info.process_id());
ASSERT_NE(0u, process_info.thread_id());
ASSERT_EQ(duplicate.thread_id(), process_info.thread_id());
// Validate that we have separate handles that are good.
int exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(process_info.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(duplicate.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
ASSERT_TRUE(::CloseHandle(process_info.TakeThreadHandle()));
ASSERT_TRUE(::CloseHandle(duplicate.TakeThreadHandle()));
}
TEST_F(ScopedProcessInformationTest, Swap) {
base::win::ScopedProcessInformation seven_to_nine_info;
DoCreateProcess("ReturnSeven", seven_to_nine_info.Receive());
base::win::ScopedProcessInformation nine_to_seven_info;
DoCreateProcess("ReturnNine", nine_to_seven_info.Receive());
HANDLE seven_process = seven_to_nine_info.process_handle();
DWORD seven_process_id = seven_to_nine_info.process_id();
HANDLE seven_thread = seven_to_nine_info.thread_handle();
DWORD seven_thread_id = seven_to_nine_info.thread_id();
HANDLE nine_process = nine_to_seven_info.process_handle();
DWORD nine_process_id = nine_to_seven_info.process_id();
HANDLE nine_thread = nine_to_seven_info.thread_handle();
DWORD nine_thread_id = nine_to_seven_info.thread_id();
seven_to_nine_info.Swap(&nine_to_seven_info);
ASSERT_EQ(seven_process, nine_to_seven_info.process_handle());
ASSERT_EQ(seven_process_id, nine_to_seven_info.process_id());
ASSERT_EQ(seven_thread, nine_to_seven_info.thread_handle());
ASSERT_EQ(seven_thread_id, nine_to_seven_info.thread_id());
ASSERT_EQ(nine_process, seven_to_nine_info.process_handle());
ASSERT_EQ(nine_process_id, seven_to_nine_info.process_id());
ASSERT_EQ(nine_thread, seven_to_nine_info.thread_handle());
ASSERT_EQ(nine_thread_id, seven_to_nine_info.thread_id());
int exit_code = 0;
ASSERT_TRUE(base::WaitForExitCode(seven_to_nine_info.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(9, exit_code);
ASSERT_TRUE(base::WaitForExitCode(nine_to_seven_info.TakeProcessHandle(),
&exit_code));
ASSERT_EQ(7, exit_code);
}
TEST_F(ScopedProcessInformationTest, InitiallyInvalid) {
base::win::ScopedProcessInformation process_info;
ASSERT_FALSE(process_info.IsValid());
}
|
