blob: 6a84134a0756ee937494d3b8fc8cd838a6570e1f [file] [log] [blame]
/*
* 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(
"" /* prefix */, 0 /* lines */, 0 /* limitNs */, false /* logPlot */)));
// one line / signal + logplot
EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString()));
plog->log(&zero, 1 /* frame */, 3 /* nowNs */);
// zero termination doesn't change this.
EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString()));
// but adding next line does.
plog->log(&half, 1 /* frame */, 4 /* nowNs */);
EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString()));
// truncating on lines (this does not include the logplot).
EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString(
"" /* prefix */, 2 /* lines */)));
// truncating on time as well.
EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString(
"" /* prefix */, 0 /* lines */, 2 /* limitNs */)));
// truncating on different time limit.
EXPECT_EQ((size_t)20, countNewLines(plog->dumpToString(
"" /* prefix */, 0 /* lines */, 3 /* limitNs */)));
// truncating on a larger line count (this doesn't include the logplot).
EXPECT_EQ((size_t)21, countNewLines(plog->dumpToString(
"" /* prefix */, 3 /* lines */, 2 /* 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:
01-01 00:00:00.000: [ -6.0 -6.0 -6.0 ] sum(-1.2)
01-01 00:00:00.000: [ -6.0
-0.0 -| |
-1.0 -| |
-2.0 -| |
-3.0 -| |
-4.0 -| |
-5.0 -| |
-6.0 -|***|
-7.0 -| |
-8.0 -| |
-9.0 -| |
-10.0 -| |
-11.0 -| |
-12.0 -| |
-13.0 -| |
|____
*/
}
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 */);
// soundness 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)
*/
}