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1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <regex>
20 #include <string>
21 
22 #include <android-base/file.h>
23 #include <android-base/macros.h>
24 
25 class CapturedStdFd {
26  public:
27   CapturedStdFd(int std_fd);
28   ~CapturedStdFd();
29 
30   std::string str();
31 
32   void Start();
33   void Stop();
34   void Reset();
35 
36  private:
37   int fd() const;
38 
39   TemporaryFile temp_file_;
40   int std_fd_;
41   int old_fd_ = -1;
42 
43   DISALLOW_COPY_AND_ASSIGN(CapturedStdFd);
44 };
45 
46 class CapturedStderr : public CapturedStdFd {
47  public:
CapturedStderr()48   CapturedStderr() : CapturedStdFd(STDERR_FILENO) {}
49 };
50 
51 class CapturedStdout : public CapturedStdFd {
52  public:
CapturedStdout()53   CapturedStdout() : CapturedStdFd(STDOUT_FILENO) {}
54 };
55 
56 #define ASSERT_MATCH(str, pattern)                                           \
57   do {                                                                       \
58     auto __s = (str);                                                        \
59     if (!std::regex_search(__s, std::regex((pattern)))) {                    \
60       FAIL() << "regex mismatch: expected " << (pattern) << " in:\n" << __s; \
61     }                                                                        \
62   } while (0)
63 
64 #define ASSERT_NOT_MATCH(str, pattern)                                                   \
65   do {                                                                                   \
66     auto __s = (str);                                                                    \
67     if (std::regex_search(__s, std::regex((pattern)))) {                                 \
68       FAIL() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << __s; \
69     }                                                                                    \
70   } while (0)
71 
72 #define EXPECT_MATCH(str, pattern)                                                  \
73   do {                                                                              \
74     auto __s = (str);                                                               \
75     if (!std::regex_search(__s, std::regex((pattern)))) {                           \
76       ADD_FAILURE() << "regex mismatch: expected " << (pattern) << " in:\n" << __s; \
77     }                                                                               \
78   } while (0)
79 
80 #define EXPECT_NOT_MATCH(str, pattern)                                                          \
81   do {                                                                                          \
82     auto __s = (str);                                                                           \
83     if (std::regex_search(__s, std::regex((pattern)))) {                                        \
84       ADD_FAILURE() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << __s; \
85     }                                                                                           \
86   } while (0)
87