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29 
30 // Utility class for creating a temporary directory for unit tests
31 // that is deleted in the destructor.
32 #ifndef GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
33 #define GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
34 
35 #include <dirent.h>
36 #include <sys/types.h>
37 
38 #include <string>
39 
40 #include "breakpad_googletest_includes.h"
41 #include "common/using_std_string.h"
42 
43 #if !defined(__ANDROID__)
44 #define TEMPDIR "/tmp"
45 #else
46 #define TEMPDIR "/data/local/tmp"
47 #include "common/android/testing/mkdtemp.h"
48 #endif
49 
50 namespace google_breakpad {
51 
52 class AutoTempDir {
53  public:
AutoTempDir()54   AutoTempDir() {
55     char temp_dir[] = TEMPDIR "/breakpad.XXXXXX";
56     EXPECT_TRUE(mkdtemp(temp_dir) != NULL);
57     path_.assign(temp_dir);
58   }
59 
~AutoTempDir()60   ~AutoTempDir() {
61     DeleteRecursively(path_);
62   }
63 
path()64   const string& path() const {
65     return path_;
66   }
67 
68  private:
DeleteRecursively(const string & path)69   void DeleteRecursively(const string& path) {
70     // First remove any files in the dir
71     DIR* dir = opendir(path.c_str());
72     if (!dir)
73       return;
74 
75     dirent* entry;
76     while ((entry = readdir(dir)) != NULL) {
77       if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
78         continue;
79       string entry_path = path + "/" + entry->d_name;
80       struct stat stats;
81       EXPECT_TRUE(lstat(entry_path.c_str(), &stats) == 0);
82       if (S_ISDIR(stats.st_mode))
83         DeleteRecursively(entry_path);
84       else
85         EXPECT_TRUE(unlink(entry_path.c_str()) == 0);
86     }
87     EXPECT_TRUE(closedir(dir) == 0);
88     EXPECT_TRUE(rmdir(path.c_str()) == 0);
89   }
90 
91   // prevent copy construction and assignment
92   AutoTempDir(const AutoTempDir&);
93   AutoTempDir& operator=(const AutoTempDir&);
94 
95   string path_;
96 };
97 
98 }  // namespace google_breakpad
99 
100 #endif  // GOOGLE_BREAKPAD_COMMON_TESTS_AUTO_TEMPDIR
101