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 25 using namespace android; 26 27 static size_t countNewLines(const std::string &s) { 28 return std::count(s.begin(), s.end(), '\n'); 29 } 30 31 TEST(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 /* 72 03-27 14:47:43.567 Hello 9 73 03-27 14:47:43.567 World 74 12-31 16:00:01.000 Hello World 10 75 12-31 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