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/SimpleLog.h>
21#include <gtest/gtest.h>
22#include <iostream>
23#include <log/log.h>
24
25using namespace android;
26
27static size_t countNewLines(const std::string &s) {
28    return std::count(s.begin(), s.end(), '\n');
29}
30
31TEST(audio_utils_simplelog, basic) {
32    auto slog = std::make_unique<SimpleLog>();
33    const int64_t oneSecond = 1000000000;
34
35    EXPECT_EQ((size_t)0, countNewLines(slog->dumpToString()));
36
37    const int nine = 9;
38    slog->log("Hello %d", nine);
39    slog->log("World");
40
41    // two lines (no header)
42    EXPECT_EQ((size_t)2, countNewLines(slog->dumpToString()));
43
44    // another two lines (this is out of time order, but the log doesn't care)
45    slog->log(oneSecond /* nowNs */, "Hello World %d", 10);
46    slog->log(oneSecond * 2 /* nowNs */, "%s", "Goodbye");
47
48    EXPECT_EQ((size_t)4, countNewLines(slog->dumpToString()));
49
50    // truncate on lines
51    EXPECT_EQ((size_t)1, countNewLines(slog->dumpToString("" /* prefix */, 1 /* lines */)));
52
53    // truncate on time
54    EXPECT_EQ((size_t)4, countNewLines(
55            slog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond /* limitNs */)));
56
57    // truncate on time (more)
58    EXPECT_EQ((size_t)3, countNewLines(
59            slog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond * 2 /* limitNs */)));
60
61    // truncate on time (more)
62    EXPECT_EQ((size_t)2, countNewLines(
63            slog->dumpToString("" /* prefix */, 0 /* lines */, oneSecond * 2 + 1 /* limitNs */)));
64
65    std::cout << slog->dumpToString() << std::flush;
66
67    slog->dump(0 /* fd (stdout) */, "  "); // add a prefix
68
69    // The output below depends on the local time zone and current time.
70    // The indentation below is exact, check alignment.
71    /*
7203-27 14:47:43.567 Hello 9
7303-27 14:47:43.567 World
7412-31 16:00:01.000 Hello World 10
7512-31 16:00:02.000 Goodbye
76  03-27 14:47:43.567 Hello 9
77  03-27 14:47:43.567 World
78  12-31 16:00:01.000 Hello World 10
79  12-31 16:00:02.000 Goodbye
80     */
81}
82