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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 #ifndef ANDROID_BASE_TEST_UTILS_H
     18 #define ANDROID_BASE_TEST_UTILS_H
     19 
     20 #include <regex>
     21 #include <string>
     22 
     23 #include <android-base/macros.h>
     24 
     25 class TemporaryFile {
     26  public:
     27   TemporaryFile();
     28   explicit TemporaryFile(const std::string& tmp_dir);
     29   ~TemporaryFile();
     30 
     31   // Release the ownership of fd, caller is reponsible for closing the
     32   // fd or stream properly.
     33   int release();
     34 
     35   int fd;
     36   char path[1024];
     37 
     38  private:
     39   void init(const std::string& tmp_dir);
     40 
     41   DISALLOW_COPY_AND_ASSIGN(TemporaryFile);
     42 };
     43 
     44 class TemporaryDir {
     45  public:
     46   TemporaryDir();
     47   ~TemporaryDir();
     48 
     49   char path[1024];
     50 
     51  private:
     52   bool init(const std::string& tmp_dir);
     53 
     54   DISALLOW_COPY_AND_ASSIGN(TemporaryDir);
     55 };
     56 
     57 class CapturedStderr {
     58  public:
     59   CapturedStderr();
     60   ~CapturedStderr();
     61 
     62   int fd() const;
     63 
     64  private:
     65   void init();
     66   void reset();
     67 
     68   TemporaryFile temp_file_;
     69   int old_stderr_;
     70 
     71   DISALLOW_COPY_AND_ASSIGN(CapturedStderr);
     72 };
     73 
     74 #define ASSERT_MATCH(str, pattern)                                             \
     75   do {                                                                         \
     76     if (!std::regex_search((str), std::regex((pattern)))) {                    \
     77       FAIL() << "regex mismatch: expected " << (pattern) << " in:\n" << (str); \
     78     }                                                                          \
     79   } while (0)
     80 
     81 #define ASSERT_NOT_MATCH(str, pattern)                                                     \
     82   do {                                                                                     \
     83     if (std::regex_search((str), std::regex((pattern)))) {                                 \
     84       FAIL() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << (str); \
     85     }                                                                                      \
     86   } while (0)
     87 
     88 #define EXPECT_MATCH(str, pattern)                                                    \
     89   do {                                                                                \
     90     if (!std::regex_search((str), std::regex((pattern)))) {                           \
     91       ADD_FAILURE() << "regex mismatch: expected " << (pattern) << " in:\n" << (str); \
     92     }                                                                                 \
     93   } while (0)
     94 
     95 #define EXPECT_NOT_MATCH(str, pattern)                                                            \
     96   do {                                                                                            \
     97     if (std::regex_search((str), std::regex((pattern)))) {                                        \
     98       ADD_FAILURE() << "regex mismatch: expected to not find " << (pattern) << " in:\n" << (str); \
     99     }                                                                                             \
    100   } while (0)
    101 
    102 #endif  // ANDROID_BASE_TEST_UTILS_H
    103