1 // Copyright (c) 2013, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #include <stdlib.h> 31 #include <unistd.h> 32 #include <sys/types.h> 33 #include <stdio.h> 34 #include <errno.h> 35 #include <string.h> 36 37 #include "client/linux/minidump_writer/proc_cpuinfo_reader.h" 38 #include "breakpad_googletest_includes.h" 39 #include "common/linux/tests/auto_testfile.h" 40 41 using namespace google_breakpad; 42 43 #if !defined(__ANDROID__) 44 #define TEMPDIR "/tmp" 45 #else 46 #define TEMPDIR "/data/local/tmp" 47 #endif 48 49 50 namespace { 51 52 typedef testing::Test ProcCpuInfoReaderTest; 53 54 class ScopedTestFile : public AutoTestFile { 55 public: 56 explicit ScopedTestFile(const char* text) 57 : AutoTestFile("proc_cpuinfo_reader", text) { 58 } 59 }; 60 61 } 62 63 TEST(ProcCpuInfoReaderTest, EmptyFile) { 64 ScopedTestFile file(""); 65 ASSERT_TRUE(file.IsOk()); 66 ProcCpuInfoReader reader(file.GetFd()); 67 68 const char *field; 69 ASSERT_FALSE(reader.GetNextField(&field)); 70 } 71 72 TEST(ProcCpuInfoReaderTest, OneLineTerminated) { 73 ScopedTestFile file("foo : bar\n"); 74 ASSERT_TRUE(file.IsOk()); 75 ProcCpuInfoReader reader(file.GetFd()); 76 77 const char *field; 78 ASSERT_TRUE(reader.GetNextField(&field)); 79 ASSERT_STREQ("foo", field); 80 ASSERT_STREQ("bar", reader.GetValue()); 81 82 ASSERT_FALSE(reader.GetNextField(&field)); 83 } 84 85 TEST(ProcCpuInfoReaderTest, OneLine) { 86 ScopedTestFile file("foo : bar"); 87 ASSERT_TRUE(file.IsOk()); 88 ProcCpuInfoReader reader(file.GetFd()); 89 90 const char *field; 91 size_t value_len; 92 ASSERT_TRUE(reader.GetNextField(&field)); 93 ASSERT_STREQ("foo", field); 94 ASSERT_STREQ("bar", reader.GetValueAndLen(&value_len)); 95 ASSERT_EQ(3U, value_len); 96 97 ASSERT_FALSE(reader.GetNextField(&field)); 98 } 99 100 TEST(ProcCpuInfoReaderTest, TwoLinesTerminated) { 101 ScopedTestFile file("foo : bar\nzoo : tut\n"); 102 ASSERT_TRUE(file.IsOk()); 103 ProcCpuInfoReader reader(file.GetFd()); 104 105 const char* field; 106 ASSERT_TRUE(reader.GetNextField(&field)); 107 ASSERT_STREQ("foo", field); 108 ASSERT_STREQ("bar", reader.GetValue()); 109 110 ASSERT_TRUE(reader.GetNextField(&field)); 111 ASSERT_STREQ("zoo", field); 112 ASSERT_STREQ("tut", reader.GetValue()); 113 114 ASSERT_FALSE(reader.GetNextField(&field)); 115 } 116 117 TEST(ProcCpuInfoReaderTest, SkipMalformedLine) { 118 ScopedTestFile file("this line should have a column\nfoo : bar\n"); 119 ASSERT_TRUE(file.IsOk()); 120 ProcCpuInfoReader reader(file.GetFd()); 121 122 const char* field; 123 ASSERT_TRUE(reader.GetNextField(&field)); 124 ASSERT_STREQ("foo", field); 125 ASSERT_STREQ("bar", reader.GetValue()); 126 127 ASSERT_FALSE(reader.GetNextField(&field)); 128 } 129 130 TEST(ProcCpuInfoReaderTest, SkipOneEmptyLine) { 131 ScopedTestFile file("\n\nfoo : bar\n"); 132 ASSERT_TRUE(file.IsOk()); 133 ProcCpuInfoReader reader(file.GetFd()); 134 135 const char* field; 136 ASSERT_TRUE(reader.GetNextField(&field)); 137 ASSERT_STREQ("foo", field); 138 ASSERT_STREQ("bar", reader.GetValue()); 139 140 ASSERT_FALSE(reader.GetNextField(&field)); 141 } 142 143 TEST(ProcCpuInfoReaderTest, SkipEmptyField) { 144 ScopedTestFile file(" : bar\nzoo : tut\n"); 145 ASSERT_TRUE(file.IsOk()); 146 ProcCpuInfoReader reader(file.GetFd()); 147 148 const char* field; 149 ASSERT_TRUE(reader.GetNextField(&field)); 150 ASSERT_STREQ("zoo", field); 151 ASSERT_STREQ("tut", reader.GetValue()); 152 153 ASSERT_FALSE(reader.GetNextField(&field)); 154 } 155 156 TEST(ProcCpuInfoReaderTest, SkipTwoEmptyLines) { 157 ScopedTestFile file("foo : bar\n\n\nfoo : bar\n"); 158 ASSERT_TRUE(file.IsOk()); 159 ProcCpuInfoReader reader(file.GetFd()); 160 161 const char* field; 162 ASSERT_TRUE(reader.GetNextField(&field)); 163 ASSERT_STREQ("foo", field); 164 ASSERT_STREQ("bar", reader.GetValue()); 165 166 ASSERT_TRUE(reader.GetNextField(&field)); 167 ASSERT_STREQ("foo", field); 168 ASSERT_STREQ("bar", reader.GetValue()); 169 170 ASSERT_FALSE(reader.GetNextField(&field)); 171 } 172 173 TEST(ProcCpuInfoReaderTest, FieldWithSpaces) { 174 ScopedTestFile file("foo bar : zoo\n"); 175 ASSERT_TRUE(file.IsOk()); 176 ProcCpuInfoReader reader(file.GetFd()); 177 178 const char* field; 179 ASSERT_TRUE(reader.GetNextField(&field)); 180 ASSERT_STREQ("foo bar", field); 181 ASSERT_STREQ("zoo", reader.GetValue()); 182 183 ASSERT_FALSE(reader.GetNextField(&field)); 184 } 185 186 TEST(ProcCpuInfoReaderTest, EmptyValue) { 187 ScopedTestFile file("foo :\n"); 188 ASSERT_TRUE(file.IsOk()); 189 ProcCpuInfoReader reader(file.GetFd()); 190 191 const char* field; 192 ASSERT_TRUE(reader.GetNextField(&field)); 193 ASSERT_STREQ("foo", field); 194 size_t value_len; 195 ASSERT_STREQ("", reader.GetValueAndLen(&value_len)); 196 ASSERT_EQ(0U, value_len); 197 198 ASSERT_FALSE(reader.GetNextField(&field)); 199 } 200
