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131 lines
4.0 KiB
131 lines
4.0 KiB
/*
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* Copyright 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "audio_utils_powerlog_tests"
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#include <audio_utils/PowerLog.h>
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#include <gtest/gtest.h>
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#include <iostream>
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#include <log/log.h>
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using namespace android;
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static size_t countNewLines(const std::string &s) {
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return std::count(s.begin(), s.end(), '\n');
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}
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TEST(audio_utils_powerlog, basic) {
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auto plog = std::make_unique<PowerLog>(
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48000 /* sampleRate */,
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1 /* channelCount */,
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AUDIO_FORMAT_PCM_16_BIT,
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100 /* entries */,
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1 /* framesPerEntry */);
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// header
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EXPECT_EQ((size_t)1, countNewLines(plog->dumpToString()));
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const int16_t zero = 0;
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const int16_t half = 0x4000;
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plog->log(&half, 1 /* frame */, 0 /* nowNs */);
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plog->log(&half, 1 /* frame */, 1 /* nowNs */);
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plog->log(&half, 1 /* frame */, 2 /* nowNs */);
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// one line / signal
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EXPECT_EQ((size_t)2, countNewLines(plog->dumpToString(
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"" /* prefix */, 0 /* lines */, 0 /* limitNs */, false /* logPlot */)));
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// one line / signal + logplot
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EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString()));
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plog->log(&zero, 1 /* frame */, 3 /* nowNs */);
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// zero termination doesn't change this.
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EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString()));
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// but adding next line does.
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plog->log(&half, 1 /* frame */, 4 /* nowNs */);
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EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString()));
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// truncating on lines (this does not include the logplot).
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EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString(
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"" /* prefix */, 2 /* lines */)));
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// truncating on time as well.
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EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString(
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"" /* prefix */, 0 /* lines */, 2 /* limitNs */)));
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// truncating on different time limit.
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EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString(
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"" /* prefix */, 0 /* lines */, 3 /* limitNs */)));
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// truncating on a larger line count (this doesn't include the logplot).
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EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString(
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"" /* prefix */, 3 /* lines */, 2 /* limitNs */)));
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plog->dump(0 /* fd (stdout) */);
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// The output below depends on the local time zone.
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// The indentation below is exact, check alignment.
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/*
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Signal power history:
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01-01 00:00:00.000: [ -6.0 -6.0 -6.0 ] sum(-1.2)
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01-01 00:00:00.000: [ -6.0
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-0.0 -| |
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-1.0 -| |
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-2.0 -| |
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-3.0 -| |
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-4.0 -| |
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-5.0 -| |
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-6.0 -|***|
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-7.0 -| |
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-8.0 -| |
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-9.0 -| |
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-10.0 -| |
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-11.0 -| |
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-12.0 -| |
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-13.0 -| |
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|____
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*/
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}
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TEST(audio_utils_powerlog, c) {
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power_log_t *power_log = power_log_create(
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48000 /* sample_rate */,
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1 /* channel_count */,
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AUDIO_FORMAT_PCM_16_BIT,
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100 /* entries */,
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1 /* frames_per_entry */);
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// soundness test
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const int16_t zero = 0;
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const int16_t quarter = 0x2000;
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power_log_log(power_log, &quarter, 1 /* frame */, 0 /* now_ns */);
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power_log_log(power_log, &zero, 1 /* frame */, 1 /* now_ns */);
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power_log_dump(power_log, 0 /* fd */, " " /* prefix */, 0 /* lines */, 0 /* limit_ns */);
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power_log_destroy(power_log);
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// This has a 2 character prefix offset from the previous test when dumping.
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// The indentation below is exact, check alignment.
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/*
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Signal power history:
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12-31 16:00:00.000: [ -12.0 ] sum(-12.0)
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*/
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}
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