1/*
2 * Copyright (C) 2013-2017 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 <inttypes.h>
18#include <pthread.h>
19#include <stdio.h>
20#include <unistd.h>
21
22#include <gtest/gtest.h>
23// Test the APIs in this standalone include file
24#include <log/log_id.h>
25
26// We do not want to include <android/log.h> to acquire ANDROID_LOG_INFO for
27// include file API purity.  We do however want to allow the _option_ that
28// log/log_id.h could include this file, or related content, in the future.
29#ifndef __android_LogPriority_defined
30#define ANDROID_LOG_INFO 4
31#endif
32
33TEST(liblog, log_id) {
34  int count = 0;
35
36  for (int i = LOG_ID_MIN; i < LOG_ID_MAX; ++i) {
37    log_id_t id = static_cast<log_id_t>(i);
38    const char* name = android_log_id_to_name(id);
39    if (id != android_name_to_log_id(name)) {
40      continue;
41    }
42    ++count;
43    fprintf(stderr, "log buffer %s\r", name);
44  }
45  ASSERT_EQ(LOG_ID_MAX, count);
46}
47
48TEST(liblog, __android_log_buf_print) {
49  EXPECT_LT(0, __android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO,
50                                       "TEST__android_log_buf_print", "radio"));
51  usleep(1000);
52  EXPECT_LT(0,
53            __android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
54                                    "TEST__android_log_buf_print", "system"));
55  usleep(1000);
56  EXPECT_LT(0, __android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_INFO,
57                                       "TEST__android_log_buf_print", "main"));
58  usleep(1000);
59}
60
61TEST(liblog, __android_log_buf_write) {
62  EXPECT_LT(0, __android_log_buf_write(LOG_ID_RADIO, ANDROID_LOG_INFO,
63                                       "TEST__android_log_buf_write", "radio"));
64  usleep(1000);
65  EXPECT_LT(0,
66            __android_log_buf_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
67                                    "TEST__android_log_buf_write", "system"));
68  usleep(1000);
69  EXPECT_LT(0, __android_log_buf_write(LOG_ID_MAIN, ANDROID_LOG_INFO,
70                                       "TEST__android_log_buf_write", "main"));
71  usleep(1000);
72}
73
74static void* ConcurrentPrintFn(void* arg) {
75  int ret = __android_log_buf_print(
76      LOG_ID_MAIN, ANDROID_LOG_INFO, "TEST__android_log_print",
77      "Concurrent %" PRIuPTR, reinterpret_cast<uintptr_t>(arg));
78  return reinterpret_cast<void*>(ret);
79}
80
81#define NUM_CONCURRENT 64
82#define _concurrent_name(a, n) a##__concurrent##n
83#define concurrent_name(a, n) _concurrent_name(a, n)
84
85TEST(liblog, concurrent_name(__android_log_buf_print, NUM_CONCURRENT)) {
86  pthread_t t[NUM_CONCURRENT];
87  int i;
88  for (i = 0; i < NUM_CONCURRENT; i++) {
89    ASSERT_EQ(0, pthread_create(&t[i], NULL, ConcurrentPrintFn,
90                                reinterpret_cast<void*>(i)));
91  }
92  int ret = 0;
93  for (i = 0; i < NUM_CONCURRENT; i++) {
94    void* result;
95    ASSERT_EQ(0, pthread_join(t[i], &result));
96    int this_result = reinterpret_cast<uintptr_t>(result);
97    if ((0 == ret) && (0 != this_result)) {
98      ret = this_result;
99    }
100  }
101  ASSERT_LT(0, ret);
102}
103