directory_reader_unittest.cc
1 // Copyright 2009 Google LLC 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google LLC nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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 }