1 // Copyright 2011 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <sstream>
6 #include <string>
7
8 #include "build/build_config.h"
9 #include "partition_alloc/partition_alloc_base/debug/debugging_buildflags.h"
10 #include "partition_alloc/partition_alloc_base/logging.h"
11
12 #include "testing/gmock/include/gmock/gmock.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14
15 namespace partition_alloc::internal::logging {
16
17 namespace {
18
19 using ::testing::_;
20 using ::testing::Return;
21
22 class MockLogSource {
23 public:
24 MOCK_METHOD0(Log, const char*());
25 };
26
TEST(PALoggingTest,BasicLogging)27 TEST(PALoggingTest, BasicLogging) {
28 MockLogSource mock_log_source;
29 constexpr int kTimes =
30 #if BUILDFLAG(PA_DCHECK_IS_ON)
31 16;
32 #else
33 8;
34 #endif
35 EXPECT_CALL(mock_log_source, Log())
36 .Times(kTimes)
37 .WillRepeatedly(Return("log message"));
38
39 SetMinLogLevel(LOGGING_INFO);
40
41 EXPECT_TRUE(PA_LOG_IS_ON(INFO));
42 EXPECT_EQ(BUILDFLAG(PA_DCHECK_IS_ON), PA_DLOG_IS_ON(INFO));
43 EXPECT_TRUE(PA_VLOG_IS_ON(0));
44
45 PA_LOG(INFO) << mock_log_source.Log();
46 PA_LOG_IF(INFO, true) << mock_log_source.Log();
47 PA_PLOG(INFO) << mock_log_source.Log();
48 PA_PLOG_IF(INFO, true) << mock_log_source.Log();
49 PA_VLOG(0) << mock_log_source.Log();
50 PA_VLOG_IF(0, true) << mock_log_source.Log();
51 PA_VPLOG(0) << mock_log_source.Log();
52 PA_VPLOG_IF(0, true) << mock_log_source.Log();
53
54 PA_DLOG(INFO) << mock_log_source.Log();
55 PA_DLOG_IF(INFO, true) << mock_log_source.Log();
56 PA_DPLOG(INFO) << mock_log_source.Log();
57 PA_DPLOG_IF(INFO, true) << mock_log_source.Log();
58 PA_DVLOG(0) << mock_log_source.Log();
59 PA_DVLOG_IF(0, true) << mock_log_source.Log();
60 PA_DVPLOG(0) << mock_log_source.Log();
61 PA_DVPLOG_IF(0, true) << mock_log_source.Log();
62 }
63
TEST(PALoggingTest,LogIsOn)64 TEST(PALoggingTest, LogIsOn) {
65 SetMinLogLevel(LOGGING_INFO);
66 EXPECT_TRUE(PA_LOG_IS_ON(INFO));
67 EXPECT_TRUE(PA_LOG_IS_ON(WARNING));
68 EXPECT_TRUE(PA_LOG_IS_ON(ERROR));
69 EXPECT_TRUE(PA_LOG_IS_ON(FATAL));
70 EXPECT_TRUE(PA_LOG_IS_ON(DFATAL));
71
72 SetMinLogLevel(LOGGING_WARNING);
73 EXPECT_FALSE(PA_LOG_IS_ON(INFO));
74 EXPECT_TRUE(PA_LOG_IS_ON(WARNING));
75 EXPECT_TRUE(PA_LOG_IS_ON(ERROR));
76 EXPECT_TRUE(PA_LOG_IS_ON(FATAL));
77 EXPECT_TRUE(PA_LOG_IS_ON(DFATAL));
78
79 SetMinLogLevel(LOGGING_ERROR);
80 EXPECT_FALSE(PA_LOG_IS_ON(INFO));
81 EXPECT_FALSE(PA_LOG_IS_ON(WARNING));
82 EXPECT_TRUE(PA_LOG_IS_ON(ERROR));
83 EXPECT_TRUE(PA_LOG_IS_ON(FATAL));
84 EXPECT_TRUE(PA_LOG_IS_ON(DFATAL));
85
86 SetMinLogLevel(LOGGING_FATAL + 1);
87 EXPECT_FALSE(PA_LOG_IS_ON(INFO));
88 EXPECT_FALSE(PA_LOG_IS_ON(WARNING));
89 EXPECT_FALSE(PA_LOG_IS_ON(ERROR));
90 // PA_LOG_IS_ON(FATAL) should always be true.
91 EXPECT_TRUE(PA_LOG_IS_ON(FATAL));
92 // If BUILDFLAG(PA_DCHECK_IS_ON) then DFATAL is FATAL.
93 EXPECT_EQ(BUILDFLAG(PA_DCHECK_IS_ON), PA_LOG_IS_ON(DFATAL));
94 }
95
TEST(PALoggingTest,LoggingIsLazyBySeverity)96 TEST(PALoggingTest, LoggingIsLazyBySeverity) {
97 MockLogSource mock_log_source;
98 EXPECT_CALL(mock_log_source, Log()).Times(0);
99
100 SetMinLogLevel(LOGGING_WARNING);
101
102 EXPECT_FALSE(PA_LOG_IS_ON(INFO));
103 EXPECT_FALSE(PA_DLOG_IS_ON(INFO));
104 EXPECT_FALSE(PA_VLOG_IS_ON(1));
105
106 PA_LOG(INFO) << mock_log_source.Log();
107 PA_LOG_IF(INFO, false) << mock_log_source.Log();
108 PA_PLOG(INFO) << mock_log_source.Log();
109 PA_PLOG_IF(INFO, false) << mock_log_source.Log();
110 PA_VLOG(1) << mock_log_source.Log();
111 PA_VLOG_IF(1, true) << mock_log_source.Log();
112 PA_VPLOG(1) << mock_log_source.Log();
113 PA_VPLOG_IF(1, true) << mock_log_source.Log();
114
115 PA_DLOG(INFO) << mock_log_source.Log();
116 PA_DLOG_IF(INFO, true) << mock_log_source.Log();
117 PA_DPLOG(INFO) << mock_log_source.Log();
118 PA_DPLOG_IF(INFO, true) << mock_log_source.Log();
119 PA_DVLOG(1) << mock_log_source.Log();
120 PA_DVLOG_IF(1, true) << mock_log_source.Log();
121 PA_DVPLOG(1) << mock_log_source.Log();
122 PA_DVPLOG_IF(1, true) << mock_log_source.Log();
123 }
124
125 // Always log-to-stderr(RawLog) if message handler is not assigned.
TEST(PALoggingTest,LogIsAlwaysToStdErr)126 TEST(PALoggingTest, LogIsAlwaysToStdErr) {
127 MockLogSource mock_log_source_stderr;
128 SetMinLogLevel(LOGGING_INFO);
129 EXPECT_TRUE(PA_LOG_IS_ON(INFO));
130 EXPECT_CALL(mock_log_source_stderr, Log()).Times(1).WillOnce(Return("foo"));
131 PA_LOG(INFO) << mock_log_source_stderr.Log();
132 }
133
TEST(PALoggingTest,DebugLoggingReleaseBehavior)134 TEST(PALoggingTest, DebugLoggingReleaseBehavior) {
135 #if BUILDFLAG(PA_DCHECK_IS_ON)
136 int debug_only_variable = 1;
137 #endif
138 // These should avoid emitting references to |debug_only_variable|
139 // in release mode.
140 PA_DLOG_IF(INFO, debug_only_variable) << "test";
141 PA_DLOG_ASSERT(debug_only_variable) << "test";
142 PA_DPLOG_IF(INFO, debug_only_variable) << "test";
143 PA_DVLOG_IF(1, debug_only_variable) << "test";
144 }
145
146 } // namespace
147
148 } // namespace partition_alloc::internal::logging
149