1 /*
2 * Copyright 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 //#define LOG_NDEBUG 0
18 #define LOG_TAG "audio_utils_errorlog_tests"
19
20 #include <audio_utils/ErrorLog.h>
21 #include <gtest/gtest.h>
22 #include <iostream>
23 #include <log/log.h>
24
25 using namespace android;
26
countNewLines(const std::string & s)27 static size_t countNewLines(const std::string &s) {
28 return std::count(s.begin(), s.end(), '\n');
29 }
30
TEST(audio_utils_errorlog,basic)31 TEST(audio_utils_errorlog, basic) {
32 auto elog = std::make_unique<ErrorLog<int32_t>>(100 /* lines */);
33 const int64_t oneSecond = 1000000000;
34
35 EXPECT_EQ((size_t)1, countNewLines(elog->dumpToString()));
36
37 elog->log(1 /* code */, 0 /* nowNs */);
38 elog->log(2 /* code */, 1 /* nowNs */);
39
40 // two separate errors (4 lines including 2 header lines)
41 EXPECT_EQ((size_t)4, countNewLines(elog->dumpToString()));
42
43 // aggregation at (oneSecond - 1)
44 elog->log(2 /* code */, oneSecond /* nowNs */);
45 EXPECT_EQ((size_t)4, countNewLines(elog->dumpToString()));
46
47 // no aggregation if spaced exactly one second apart
48 elog->log(2 /* code */, oneSecond * 2 /* nowNs */);
49 EXPECT_EQ((size_t)5, countNewLines(elog->dumpToString()));
50
51 // Check log:
52 // truncate on lines
53 EXPECT_EQ((size_t)3, countNewLines(elog->dumpToString("" /* prefix */, 3 /* lines */)));
54
55 // truncate on time
56 EXPECT_EQ((size_t)4, countNewLines(
57 elog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond - 1 /* limitNs */)));
58
59 // truncate on time
60 EXPECT_EQ((size_t)4, countNewLines(
61 elog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond /* limitNs */)));
62
63 // truncate on time (more)
64 EXPECT_EQ((size_t)3, countNewLines(
65 elog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond + 1 /* limitNs */)));
66
67 // truncate on time
68 EXPECT_EQ((size_t)3, countNewLines(
69 elog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond * 2 /* limitNs */)));
70
71 // truncate on time (to first header line)
72 EXPECT_EQ((size_t)1, countNewLines(
73 elog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond * 2 + 1/* limitNs */)));
74
75 elog->dump(0 /* fd (stdout) */);
76
77 // The output below depends on the local time zone.
78 // The indentation below is exact, check alignment.
79 /*
80 Errors: 4
81 Code Freq First time Last time
82 1 1 12-31 16:00:00.000 12-31 16:00:00.000
83 2 2 12-31 16:00:00.000 12-31 16:00:01.000
84 2 1 12-31 16:00:02.000 12-31 16:00:02.000
85 */
86 }
87
TEST(audio_utils_errorlog,c)88 TEST(audio_utils_errorlog, c) {
89 error_log_t *error_log =
90 error_log_create(100 /* lines */, 1000000000 /* one second aggregation */);
91
92 // just a soundness test
93 error_log_log(error_log, 2 /* code */, 1 /* now_ns */);
94 error_log_dump(error_log, 0 /* fd */, " " /* prefix */, 0 /* lines */, 0 /* limit_ns */);
95 error_log_destroy(error_log);
96
97 // This has a 2 character prefix offset from the previous test when dumping.
98 // The indentation below is exact, check alignment.
99 /*
100 Errors: 1
101 Code Freq First time Last time
102 2 1 12-31 16:00:00.000 12-31 16:00:00.000
103 */
104 }
105