directory_reader_unittest.cc

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#include <set>

#include <string>

#include <dirent.h>

#include <fcntl.h>

#include <sys/types.h>

#include "linux/minidump_writer/directory_reader.h"

#include "common/using_std_string.h"

#include "breakpad_googletest_includes.h"

using namespace google_breakpad;

namespace {

typedef testing::Test DirectoryReaderTest;

TEST(DirectoryReaderTest, CompareResults) {

  std::set<string> dent_set;

  DIR *const dir = opendir("/proc/self");

  ASSERT_TRUE(dir != NULL);

  struct dirent* dent;

  while ((dent = readdir(dir)))

    dent_set.insert(dent->d_name);

  closedir(dir);

  const int fd = open("/proc/self", O_DIRECTORY | O_RDONLY);

  ASSERT_GE(fd, 0);

  DirectoryReader dir_reader(fd);

  unsigned seen = 0;

  const char* name;

  while (dir_reader.GetNextEntry(&name)) {

    ASSERT_TRUE(dent_set.find(name) != dent_set.end());

    seen++;

    dir_reader.PopEntry();

  ASSERT_TRUE(dent_set.find("status") != dent_set.end());

  ASSERT_TRUE(dent_set.find("stat") != dent_set.end());

  ASSERT_TRUE(dent_set.find("cmdline") != dent_set.end());

  ASSERT_EQ(dent_set.size(), seen);

  close(fd);