| /* |
| * Copyright 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "audio_utils_powerlog_tests" |
| |
| #include <audio_utils/PowerLog.h> |
| #include <gtest/gtest.h> |
| #include <iostream> |
| #include <log/log.h> |
| |
| using namespace android; |
| |
| static size_t countNewLines(const std::string &s) { |
| return std::count(s.begin(), s.end(), '\n'); |
| } |
| |
| TEST(audio_utils_powerlog, basic) { |
| auto plog = std::make_unique<PowerLog>( |
| 48000 /* sampleRate */, |
| 1 /* channelCount */, |
| AUDIO_FORMAT_PCM_16_BIT, |
| 100 /* entries */, |
| 1 /* framesPerEntry */); |
| |
| // header |
| EXPECT_EQ((size_t)1, countNewLines(plog->dumpToString())); |
| |
| const int16_t zero = 0; |
| const int16_t half = 0x4000; |
| |
| plog->log(&half, 1 /* frame */, 0 /* nowNs */); |
| plog->log(&half, 1 /* frame */, 1 /* nowNs */); |
| plog->log(&half, 1 /* frame */, 2 /* nowNs */); |
| |
| // one line / signal |
| EXPECT_EQ((size_t)2, countNewLines(plog->dumpToString())); |
| |
| plog->log(&zero, 1 /* frame */, 3 /* nowNs */); |
| // zero termination doesn't change this. |
| EXPECT_EQ((size_t)2, countNewLines(plog->dumpToString())); |
| |
| // but adding next line does. |
| plog->log(&half, 1 /* frame */, 4 /* nowNs */); |
| EXPECT_EQ((size_t)3, countNewLines(plog->dumpToString())); |
| |
| // truncating on lines |
| EXPECT_EQ((size_t)2, countNewLines(plog->dumpToString( |
| "" /* prefix */, 2 /* lines */))); |
| |
| // truncating on time |
| EXPECT_EQ((size_t)3, countNewLines(plog->dumpToString( |
| "" /* prefix */, 0 /* lines */, 2 /* limitNs */))); |
| EXPECT_EQ((size_t)2, countNewLines(plog->dumpToString( |
| "" /* prefix */, 0 /* lines */, 3 /* limitNs */))); |
| plog->dump(0 /* fd (stdout) */); |
| |
| // The output below depends on the local time zone. |
| // The indentation below is exact, check alignment. |
| /* |
| Signal power history: |
| 12-31 16:00:00.000: [ -6.0 -6.0 -6.0 ] sum(-1.2) |
| 12-31 16:00:00.000: [ -6.0 |
| */ |
| } |
| |
| TEST(audio_utils_powerlog, c) { |
| power_log_t *power_log = power_log_create( |
| 48000 /* sample_rate */, |
| 1 /* channel_count */, |
| AUDIO_FORMAT_PCM_16_BIT, |
| 100 /* entries */, |
| 1 /* frames_per_entry */); |
| |
| // sanity test |
| const int16_t zero = 0; |
| const int16_t quarter = 0x2000; |
| |
| power_log_log(power_log, &quarter, 1 /* frame */, 0 /* now_ns */); |
| power_log_log(power_log, &zero, 1 /* frame */, 1 /* now_ns */); |
| power_log_dump(power_log, 0 /* fd */, " " /* prefix */, 0 /* lines */, 0 /* limit_ns */); |
| power_log_destroy(power_log); |
| |
| // This has a 2 character prefix offset from the previous test when dumping. |
| // The indentation below is exact, check alignment. |
| /* |
| Signal power history: |
| 12-31 16:00:00.000: [ -12.0 ] sum(-12.0) |
| */ |
| } |