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 <stdio.h>
18#include <sys/types.h>
19#include <unistd.h>
20
21#include <string>
22
23#include <android-base/file.h>
24#include <android-base/stringprintf.h>
25#include <gtest/gtest.h>
26// Test the APIs in this standalone include file
27#include <log/log_system.h>
28
29TEST(liblog, SLOG) {
30  static const char content[] = "log_system.h";
31  static const char content_false[] = "log_system.h false";
32
33// ratelimit content to 10/s to keep away from spam filters
34// do not send identical content together to keep away from spam filters
35
36#undef LOG_TAG
37#define LOG_TAG "TEST__SLOGV"
38  SLOGV(content);
39  usleep(100000);
40#undef LOG_TAG
41#define LOG_TAG "TEST__SLOGD"
42  SLOGD(content);
43  usleep(100000);
44#undef LOG_TAG
45#define LOG_TAG "TEST__SLOGI"
46  SLOGI(content);
47  usleep(100000);
48#undef LOG_TAG
49#define LOG_TAG "TEST__SLOGW"
50  SLOGW(content);
51  usleep(100000);
52#undef LOG_TAG
53#define LOG_TAG "TEST__SLOGE"
54  SLOGE(content);
55  usleep(100000);
56#undef LOG_TAG
57#define LOG_TAG "TEST__SLOGV"
58  SLOGV_IF(true, content);
59  usleep(100000);
60  SLOGV_IF(false, content_false);
61  usleep(100000);
62#undef LOG_TAG
63#define LOG_TAG "TEST__SLOGD"
64  SLOGD_IF(true, content);
65  usleep(100000);
66  SLOGD_IF(false, content_false);
67  usleep(100000);
68#undef LOG_TAG
69#define LOG_TAG "TEST__SLOGI"
70  SLOGI_IF(true, content);
71  usleep(100000);
72  SLOGI_IF(false, content_false);
73  usleep(100000);
74#undef LOG_TAG
75#define LOG_TAG "TEST__SLOGW"
76  SLOGW_IF(true, content);
77  usleep(100000);
78  SLOGW_IF(false, content_false);
79  usleep(100000);
80#undef LOG_TAG
81#define LOG_TAG "TEST__SLOGE"
82  SLOGE_IF(true, content);
83  usleep(100000);
84  SLOGE_IF(false, content_false);
85
86#ifdef __ANDROID__
87  // give time for content to long-path through logger
88  sleep(1);
89
90  std::string buf = android::base::StringPrintf(
91      "logcat -b system --pid=%u -d -s"
92      " TEST__SLOGV TEST__SLOGD TEST__SLOGI TEST__SLOGW TEST__SLOGE",
93      (unsigned)getpid());
94  FILE* fp = popen(buf.c_str(), "r");
95  int count = 0;
96  int count_false = 0;
97  if (fp) {
98    if (!android::base::ReadFdToString(fileno(fp), &buf)) buf = "";
99    pclose(fp);
100    for (size_t pos = 0; (pos = buf.find(content, pos)) != std::string::npos;
101         ++pos) {
102      ++count;
103    }
104    for (size_t pos = 0;
105         (pos = buf.find(content_false, pos)) != std::string::npos; ++pos) {
106      ++count_false;
107    }
108  }
109  EXPECT_EQ(0, count_false);
110#if LOG_NDEBUG
111  ASSERT_EQ(8, count);
112#else
113  ASSERT_EQ(10, count);
114#endif
115
116#else
117  GTEST_LOG_(INFO) << "This test does not test end-to-end.\n";
118#endif
119}
120