1 // Copyright (c) 2011 The LevelDB Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. See the AUTHORS file for names of contributors. 4 5 #include "db/filename.h" 6 7 #include "db/dbformat.h" 8 #include "port/port.h" 9 #include "util/logging.h" 10 #include "util/testharness.h" 11 12 namespace leveldb { 13 14 class FileNameTest { }; 15 16 TEST(FileNameTest, Parse) { 17 Slice db; 18 FileType type; 19 uint64_t number; 20 21 // Successful parses 22 static struct { 23 const char* fname; 24 uint64_t number; 25 FileType type; 26 } cases[] = { 27 { "100.log", 100, kLogFile }, 28 { "0.log", 0, kLogFile }, 29 { "0.sst", 0, kTableFile }, 30 { "0.ldb", 0, kTableFile }, 31 { "CURRENT", 0, kCurrentFile }, 32 { "LOCK", 0, kDBLockFile }, 33 { "MANIFEST-2", 2, kDescriptorFile }, 34 { "MANIFEST-7", 7, kDescriptorFile }, 35 { "LOG", 0, kInfoLogFile }, 36 { "LOG.old", 0, kInfoLogFile }, 37 { "18446744073709551615.log", 18446744073709551615ull, kLogFile }, 38 }; 39 for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) { 40 std::string f = cases[i].fname; 41 ASSERT_TRUE(ParseFileName(f, &number, &type)) << f; 42 ASSERT_EQ(cases[i].type, type) << f; 43 ASSERT_EQ(cases[i].number, number) << f; 44 } 45 46 // Errors 47 static const char* errors[] = { 48 "", 49 "foo", 50 "foo-dx-100.log", 51 ".log", 52 "", 53 "manifest", 54 "CURREN", 55 "CURRENTX", 56 "MANIFES", 57 "MANIFEST", 58 "MANIFEST-", 59 "XMANIFEST-3", 60 "MANIFEST-3x", 61 "LOC", 62 "LOCKx", 63 "LO", 64 "LOGx", 65 "18446744073709551616.log", 66 "184467440737095516150.log", 67 "100", 68 "100.", 69 "100.lop" 70 }; 71 for (int i = 0; i < sizeof(errors) / sizeof(errors[0]); i++) { 72 std::string f = errors[i]; 73 ASSERT_TRUE(!ParseFileName(f, &number, &type)) << f; 74 } 75 } 76 77 TEST(FileNameTest, Construction) { 78 uint64_t number; 79 FileType type; 80 std::string fname; 81 82 fname = CurrentFileName("foo"); 83 ASSERT_EQ("foo/", std::string(fname.data(), 4)); 84 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 85 ASSERT_EQ(0, number); 86 ASSERT_EQ(kCurrentFile, type); 87 88 fname = LockFileName("foo"); 89 ASSERT_EQ("foo/", std::string(fname.data(), 4)); 90 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 91 ASSERT_EQ(0, number); 92 ASSERT_EQ(kDBLockFile, type); 93 94 fname = LogFileName("foo", 192); 95 ASSERT_EQ("foo/", std::string(fname.data(), 4)); 96 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 97 ASSERT_EQ(192, number); 98 ASSERT_EQ(kLogFile, type); 99 100 fname = TableFileName("bar", 200); 101 ASSERT_EQ("bar/", std::string(fname.data(), 4)); 102 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 103 ASSERT_EQ(200, number); 104 ASSERT_EQ(kTableFile, type); 105 106 fname = DescriptorFileName("bar", 100); 107 ASSERT_EQ("bar/", std::string(fname.data(), 4)); 108 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 109 ASSERT_EQ(100, number); 110 ASSERT_EQ(kDescriptorFile, type); 111 112 fname = TempFileName("tmp", 999); 113 ASSERT_EQ("tmp/", std::string(fname.data(), 4)); 114 ASSERT_TRUE(ParseFileName(fname.c_str() + 4, &number, &type)); 115 ASSERT_EQ(999, number); 116 ASSERT_EQ(kTempFile, type); 117 } 118 119 } // namespace leveldb 120 121 int main(int argc, char** argv) { 122 return leveldb::test::RunAllTests(); 123 } 124
