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29
30 #include "base/logging.h"
31
32 #include <sstream>
33
34 #include "testing/base/public/gunit.h"
35
36 namespace mozc {
37 namespace {
38
TEST(LoggingTest,CompileTest)39 TEST(LoggingTest, CompileTest) {
40 if (false) {
41 LOG(INFO) << "";
42 LOG(WARNING) << "";
43 LOG(ERROR) << "";
44 LOG(DFATAL) << "";
45 LOG(FATAL) << "";
46 VLOG(0) << "";
47 VLOG(1) << "";
48 VLOG(2) << "";
49 VLOG(3) << "";
50 }
51 if (false) {
52 DLOG(INFO) << "";
53 DLOG(WARNING) << "";
54 DLOG(ERROR) << "";
55 DLOG(FATAL) << "";
56 DVLOG(0) << "";
57 DVLOG(1) << "";
58 DVLOG(2) << "";
59 DVLOG(3) << "";
60 }
61
62 LOG_IF(INFO, false) << "";
63 LOG_IF(WARNING, false) << "";
64 LOG_IF(ERROR, false) << "";
65 LOG_IF(DFATAL, false) << "";
66 LOG_IF(FATAL, false) << "";
67
68 DLOG_IF(INFO, false) << "";
69 DLOG_IF(WARNING, false) << "";
70 DLOG_IF(ERROR, false) << "";
71 DLOG_IF(FATAL, false) << "";
72
73 VLOG_IF(0, false) << "";
74 VLOG_IF(1, false) << "";
75 VLOG_IF(2, false) << "";
76 VLOG_IF(3, false) << "";
77
78 DVLOG_IF(0, false) << "";
79 DVLOG_IF(1, false) << "";
80 DVLOG_IF(2, false) << "";
81 DVLOG_IF(3, false) << "";
82
83 CHECK(true) << "";
84 CHECK_EQ(true, true) << "";
85 CHECK_NE(true, false) << "";
86 CHECK_GE(2, 1) << "";
87 CHECK_GE(1, 1) << "";
88 CHECK_LE(1, 2) << "";
89 CHECK_LE(1, 1) << "";
90 CHECK_GT(2, 1) << "";
91 CHECK_LT(1, 2) << "";
92
93 DCHECK(true) << "";
94 DCHECK_EQ(true, true) << "";
95 DCHECK_NE(true, false) << "";
96 DCHECK_GE(2, 1) << "";
97 DCHECK_GE(1, 1) << "";
98 DCHECK_LE(1, 2) << "";
99 DCHECK_LE(1, 1) << "";
100 DCHECK_GT(2, 1) << "";
101 DCHECK_LT(1, 2) << "";
102 }
103
TEST(LoggingTest,SideEffectTest)104 TEST(LoggingTest, SideEffectTest) {
105 bool flag = false;
106
107 #ifdef NO_LOGGING
108 // LOG_(INFO|WARNING|ERROR|DFATAL) are not executed on release mode
109 flag = true;
110 LOG_IF(INFO, flag = false) << "";
111 EXPECT_TRUE(flag);
112
113 flag = true;
114 LOG_IF(WARNING, flag = false) << "";
115 EXPECT_TRUE(flag);
116
117 flag = true;
118 LOG_IF(ERROR, flag = false) << "";
119 EXPECT_TRUE(flag);
120
121 flag = true;
122 LOG_IF(DFATAL, flag = false) << "";
123 EXPECT_TRUE(flag);
124 #else
125 flag = true;
126 LOG_IF(INFO, flag = false) << "";
127 EXPECT_FALSE(flag);
128
129 flag = true;
130 LOG_IF(WARNING, flag = false) << "";
131 EXPECT_FALSE(flag);
132
133 flag = true;
134 LOG_IF(ERROR, flag = false) << "";
135 EXPECT_FALSE(flag);
136
137 flag = true;
138 LOG_IF(DFATAL, flag = false) << "";
139 EXPECT_FALSE(flag);
140 #endif
141
142 flag = true;
143 LOG_IF(FATAL, flag = false) << "";
144 EXPECT_FALSE(flag);
145
146 flag = false;
147 CHECK(flag = true) << "";
148 EXPECT_TRUE(flag);
149
150 flag = false;
151 CHECK_EQ(true, flag = true) << "";
152 EXPECT_TRUE(flag);
153
154 flag = false;
155 CHECK_NE(false, flag = true) << "";
156 EXPECT_TRUE(flag);
157
158 int i = 0;
159
160 i = 10;
161 CHECK_GE(20, i = 11) << "";
162 EXPECT_EQ(i, 11);
163
164 i = 10;
165 CHECK_GT(20, i = 11) << "";
166 EXPECT_EQ(i, 11);
167
168 i = 10;
169 CHECK_LE(1, i = 11) << "";
170 EXPECT_EQ(i, 11);
171
172 i = 10;
173 CHECK_LT(1, i = 11) << "";
174 EXPECT_EQ(i, 11);
175 }
176
177 namespace {
178 int g_counter = 0;
DebugString()179 string DebugString() {
180 ++g_counter;
181 std::ostringstream os;
182 os << g_counter << " test!";
183 return os.str();
184 }
185 } // namespace
186
TEST(LoggingTest,RightHandSideEvaluation)187 TEST(LoggingTest, RightHandSideEvaluation) {
188 g_counter = 0;
189 LOG(INFO) << "test: " << DebugString();
190 LOG(ERROR) << "test: " << DebugString();
191 LOG(WARNING) << "test: " << DebugString();
192
193 #ifdef NO_LOGGING
194 EXPECT_EQ(0, g_counter);
195 #else
196 EXPECT_EQ(3, g_counter);
197 #endif
198
199 g_counter = 0;
200 LOG_IF(INFO, true) << "test: " << DebugString();
201 LOG_IF(ERROR, true) << "test: " << DebugString();
202 LOG_IF(WARNING, true) << "test: " << DebugString();
203
204 #ifdef NO_LOGGING
205 EXPECT_EQ(0, g_counter);
206 #else
207 EXPECT_EQ(3, g_counter);
208 #endif
209
210 g_counter = 0;
211 LOG_IF(INFO, false) << "test: " << DebugString();
212 LOG_IF(ERROR, false) << "test: " << DebugString();
213 LOG_IF(WARNING, false) << "test: " << DebugString();
214
215 EXPECT_EQ(0, g_counter);
216 }
217
218 } // namespace
219 } // namespace mozc
220