1/*
2 * Copyright (C) 2016 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 "event_log_list_builder.h"
18
19#include <inttypes.h>
20#include <gtest/gtest.h>
21#include <gmock/gmock.h>
22#include <log/log.h>
23
24using testing::ElementsAreArray;
25
26TEST(EventLogListBuilder, Empty) {
27  EventLogListBuilder builder;
28
29  const uint8_t EXPECTED_LOG[] = {
30    EVENT_TYPE_LIST,
31    0,  // Number of items in the list.
32  };
33
34  std::unique_ptr<uint8_t[]> log;
35  size_t size;
36  builder.Release(&log, &size);
37  EXPECT_EQ(2U, size);
38
39  uint8_t* log_data = log.get();
40  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
41              ElementsAreArray(EXPECTED_LOG));
42}
43
44TEST(EventLogListBuilder, SingleInt) {
45  EventLogListBuilder builder;
46
47  const uint8_t EXPECTED_LOG[] = {
48    EVENT_TYPE_LIST,
49    1,                // Number of items in the list.
50    EVENT_TYPE_INT,
51    42, 0, 0, 0,      // 4 byte integer value.
52  };
53
54  builder.Append(42);
55
56  std::unique_ptr<uint8_t[]> log;
57  size_t size;
58  builder.Release(&log, &size);
59  EXPECT_EQ(7U, size);
60
61  uint8_t* log_data = log.get();
62  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
63              ElementsAreArray(EXPECTED_LOG));
64}
65
66TEST(EventLogListBuilder, SingleString) {
67  EventLogListBuilder builder;
68
69  const uint8_t EXPECTED_LOG[] = {
70    EVENT_TYPE_LIST,
71    1,                        // Number of items in the list.
72    EVENT_TYPE_STRING,
73    5, 0, 0, 0,               // 4 byte length of the string.
74    'D', 'r', 'o', 'i', 'd',
75  };
76
77  builder.Append("Droid");
78
79  std::unique_ptr<uint8_t[]> log;
80  size_t size;
81  builder.Release(&log, &size);
82  EXPECT_EQ(12U, size);
83
84  uint8_t* log_data = log.get();
85  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
86              ElementsAreArray(EXPECTED_LOG));
87}
88
89TEST(EventLogListBuilder, IntThenString) {
90  EventLogListBuilder builder;
91
92  const uint8_t EXPECTED_LOG[] = {
93    EVENT_TYPE_LIST,
94    2,                        // Number of items in the list.
95    EVENT_TYPE_INT,
96    42, 0, 0, 0,              // 4 byte integer value.
97    EVENT_TYPE_STRING,
98    5, 0, 0, 0,               // 4 byte length of the string.
99    'D', 'r', 'o', 'i', 'd',
100  };
101
102  builder.Append(42);
103  builder.Append("Droid");
104
105  std::unique_ptr<uint8_t[]> log;
106  size_t size;
107  builder.Release(&log, &size);
108  EXPECT_EQ(17U, size);
109
110  uint8_t* log_data = log.get();
111  EXPECT_THAT(std::vector<uint8_t>(log_data, log_data + size),
112              ElementsAreArray(EXPECTED_LOG));
113}
114