/ src / client / linux / minidump_writer / directory_reader_unittest.cc
directory_reader_unittest.cc
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28  
29  #ifdef HAVE_CONFIG_H
30  #include <config.h>  // Must come first
31  #endif
32  
33  #include <set>
34  #include <string>
35  
36  #include <dirent.h>
37  #include <fcntl.h>
38  #include <sys/types.h>
39  
40  #include "client/linux/minidump_writer/directory_reader.h"
41  #include "common/using_std_string.h"
42  #include "breakpad_googletest_includes.h"
43  
44  using namespace google_breakpad;
45  
46  namespace {
47  typedef testing::Test DirectoryReaderTest;
48  }
49  
50  TEST(DirectoryReaderTest, CompareResults) {
51    std::set<string> dent_set;
52  
53    DIR* const dir = opendir("/proc/self");
54    ASSERT_TRUE(dir != NULL);
55  
56    struct dirent* dent;
57    while ((dent = readdir(dir)))
58      dent_set.insert(dent->d_name);
59  
60    closedir(dir);
61  
62    const int fd = open("/proc/self", O_DIRECTORY | O_RDONLY);
63    ASSERT_GE(fd, 0);
64  
65    DirectoryReader dir_reader(fd);
66    unsigned seen = 0;
67  
68    const char* name;
69    while (dir_reader.GetNextEntry(&name)) {
70      ASSERT_TRUE(dent_set.find(name) != dent_set.end());
71      seen++;
72      dir_reader.PopEntry();
73    }
74  
75    ASSERT_TRUE(dent_set.find("status") != dent_set.end());
76    ASSERT_TRUE(dent_set.find("stat") != dent_set.end());
77    ASSERT_TRUE(dent_set.find("cmdline") != dent_set.end());
78  
79    ASSERT_EQ(dent_set.size(), seen);
80    close(fd);
81  }