liblog_test.cpp revision 46abc522964f797fafb0a3af2cbbabee05597f47 
1/*
2 * Copyright (C) 2013 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 <fcntl.h>
18#include <gtest/gtest.h>
19#include <log/log.h>
20#include <log/logger.h>
21
22TEST(liblog, __android_log_buf_print) {
23    ASSERT_LT(0, __android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO,
24                                         "TEST__android_log_buf_print",
25                                         "radio"));
26    usleep(1000);
27    ASSERT_LT(0, __android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
28                                         "TEST__android_log_buf_print",
29                                         "system"));
30    usleep(1000);
31    ASSERT_LT(0, __android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_INFO,
32                                         "TEST__android_log_buf_print",
33                                         "main"));
34    usleep(1000);
35}
36
37TEST(liblog, __android_log_buf_write) {
38    ASSERT_LT(0, __android_log_buf_write(LOG_ID_RADIO, ANDROID_LOG_INFO,
39                                         "TEST__android_log_buf_write",
40                                         "radio"));
41    usleep(1000);
42    ASSERT_LT(0, __android_log_buf_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
43                                         "TEST__android_log_buf_write",
44                                         "system"));
45    usleep(1000);
46    ASSERT_LT(0, __android_log_buf_write(LOG_ID_MAIN, ANDROID_LOG_INFO,
47                                         "TEST__android_log_buf_write",
48                                         "main"));
49    usleep(1000);
50}
51
52TEST(liblog, __android_log_btwrite) {
53    int intBuf = 0xDEADBEEF;
54    ASSERT_LT(0, __android_log_btwrite(0,
55                                      EVENT_TYPE_INT,
56                                      &intBuf, sizeof(intBuf)));
57    long long longBuf = 0xDEADBEEFA55A5AA5;
58    ASSERT_LT(0, __android_log_btwrite(0,
59                                      EVENT_TYPE_LONG,
60                                      &longBuf, sizeof(longBuf)));
61    usleep(1000);
62    char Buf[] = "\20\0\0\0DeAdBeEfA55a5aA5";
63    ASSERT_LT(0, __android_log_btwrite(0,
64                                      EVENT_TYPE_STRING,
65                                      Buf, sizeof(Buf) - 1));
66    usleep(1000);
67}
68
69static void* ConcurrentPrintFn(void *arg) {
70    int ret = __android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_INFO,
71                                  "TEST__android_log_print", "Concurrent %d",
72                                  reinterpret_cast<int>(arg));
73    return reinterpret_cast<void*>(ret);
74}
75
76#define NUM_CONCURRENT 64
77#define _concurrent_name(a,n) a##__concurrent##n
78#define concurrent_name(a,n) _concurrent_name(a,n)
79
80TEST(liblog, concurrent_name(__android_log_buf_print, NUM_CONCURRENT)) {
81    pthread_t t[NUM_CONCURRENT];
82    int i;
83    for (i=0; i < NUM_CONCURRENT; i++) {
84        ASSERT_EQ(0, pthread_create(&t[i], NULL,
85                                    ConcurrentPrintFn,
86                                    reinterpret_cast<void *>(i)));
87    }
88    int ret = 0;
89    for (i=0; i < NUM_CONCURRENT; i++) {
90        void* result;
91        ASSERT_EQ(0, pthread_join(t[i], &result));
92        if ((0 == ret) && (0 != reinterpret_cast<int>(result))) {
93            ret = reinterpret_cast<int>(result);
94        }
95    }
96    ASSERT_LT(0, ret);
97}
98
99TEST(liblog, __android_log_btwrite__android_logger_list_read) {
100    pid_t pid;
101    struct logger_list *logger_list;
102    log_time_t ts;
103
104    pid = getpid();
105
106    ASSERT_EQ(0, NULL == (logger_list = android_logger_list_open(
107        LOG_ID_EVENTS, O_RDONLY | O_NDELAY, 1000, pid)));
108
109    clock_gettime(CLOCK_MONOTONIC, &ts);
110
111    ASSERT_LT(0, __android_log_btwrite(0, EVENT_TYPE_LONG, &ts, sizeof(ts)));
112    usleep(1000000);
113
114    int count = 0;
115
116    for (;;) {
117        log_msg log_msg;
118        if (android_logger_list_read(logger_list, &log_msg) <= 0) {
119            break;
120        }
121
122        ASSERT_EQ(log_msg.entry.pid, pid);
123
124        if ((log_msg.entry.len != (4 + 1 + 8))
125         || (log_msg.id() != LOG_ID_EVENTS)) {
126            continue;
127        }
128
129        char *eventData = log_msg.msg();
130
131        if (eventData[4] != EVENT_TYPE_LONG) {
132            continue;
133        }
134
135        log_time_t tx(eventData + 4 + 1);
136        if (ts == tx) {
137            ++count;
138        }
139    }
140
141    ASSERT_EQ(1, count);
142
143    android_logger_list_close(logger_list);
144}
145
146TEST(liblog, android_logger_get_) {
147    struct logger_list * logger_list = android_logger_list_alloc(O_WRONLY, 0, 0);
148
149    for(int i = LOG_ID_MIN; i < LOG_ID_MAX; ++i) {
150        log_id_t id = static_cast<log_id_t>(i);
151        const char *name = android_log_id_to_name(id);
152        if (id != android_name_to_log_id(name)) {
153            continue;
154        }
155        struct logger * logger;
156        ASSERT_EQ(0, NULL == (logger = android_logger_open(logger_list, id)));
157        ASSERT_EQ(id, android_logger_get_id(logger));
158        ASSERT_LT(0, android_logger_get_log_size(logger));
159        ASSERT_LT(0, android_logger_get_log_readable_size(logger));
160        ASSERT_LT(0, android_logger_get_log_version(logger));
161    }
162
163    android_logger_list_close(logger_list);
164}
165