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