1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "src/ftrace_reader/event_info.h"
18 
19 #include "gtest/gtest.h"
20 
21 namespace perfetto {
22 namespace {
23 
24 TEST(EventInfoTest, GetStaticEventInfoSanityCheck) {
25   std::vector<Event> events = GetStaticEventInfo();
26   for (const Event& event : events) {
27     // For each event the following fields should be filled
28     // statically:
29 
30     // Non-empty name, group, and proto field id.
31     ASSERT_TRUE(event.name);
32     ASSERT_TRUE(event.group);
33     ASSERT_TRUE(event.proto_field_id);
34 
35     // Ftrace id and size should be zeroed.
36     ASSERT_FALSE(event.ftrace_event_id);
37     ASSERT_FALSE(event.size);
38 
39     for (const Field& field : event.fields) {
40       // Non-empty name, proto field id, and proto field type.
41       ASSERT_TRUE(field.ftrace_name);
42       ASSERT_TRUE(field.proto_field_id);
43       ASSERT_TRUE(field.proto_field_type);
44 
45       // Other fields should be zeroed.
46       ASSERT_FALSE(field.ftrace_offset);
47       ASSERT_FALSE(field.ftrace_size);
48       ASSERT_FALSE(field.strategy);
49       ASSERT_FALSE(field.ftrace_type);
50     }
51   }
52 }
53 
54 TEST(EventInfoTest, GetStaticCommonFieldsInfoSanityCheck) {
55   std::vector<Field> fields = GetStaticCommonFieldsInfo();
56   for (const Field& field : fields) {
57     // Non-empty name, group, and proto field id.
58     ASSERT_TRUE(field.ftrace_name);
59     ASSERT_TRUE(field.proto_field_id);
60     ASSERT_TRUE(field.proto_field_type);
61 
62     // Other fields should be zeroed.
63     ASSERT_FALSE(field.ftrace_offset);
64     ASSERT_FALSE(field.ftrace_size);
65     ASSERT_FALSE(field.strategy);
66     ASSERT_FALSE(field.ftrace_type);
67   }
68 }
69 
70 TEST(EventInfoTest, SetTranslationStrategySanityCheck) {
71   TranslationStrategy strategy = kUint32ToUint32;
72   ASSERT_FALSE(SetTranslationStrategy(kFtraceCString, kProtoUint64, &strategy));
73   ASSERT_EQ(strategy, kUint32ToUint32);
74   ASSERT_TRUE(SetTranslationStrategy(kFtraceCString, kProtoString, &strategy));
75   ASSERT_EQ(strategy, kCStringToString);
76   ASSERT_TRUE(SetTranslationStrategy(kFtracePid32, kProtoInt32, &strategy));
77   ASSERT_EQ(strategy, kPid32ToInt32);
78   ASSERT_TRUE(SetTranslationStrategy(kFtraceInode32, kProtoUint64, &strategy));
79   ASSERT_EQ(strategy, kInode32ToUint64);
80   ASSERT_TRUE(SetTranslationStrategy(kFtraceInode64, kProtoUint64, &strategy));
81   ASSERT_EQ(strategy, kInode64ToUint64);
82   ASSERT_TRUE(SetTranslationStrategy(kFtraceDevId32, kProtoUint64, &strategy));
83   ASSERT_EQ(strategy, kDevId32ToUint64);
84   ASSERT_TRUE(SetTranslationStrategy(kFtraceDevId64, kProtoUint64, &strategy));
85   ASSERT_EQ(strategy, kDevId64ToUint64);
86   ASSERT_TRUE(
87       SetTranslationStrategy(kFtraceCommonPid32, kProtoInt32, &strategy));
88   ASSERT_EQ(strategy, kCommonPid32ToInt32);
89 }
90 
91 }  // namespace
92 }  // namespace perfetto
93