mirror of https://bitbucket.org/ausocean/av.git
109 lines
2.4 KiB
Go
109 lines
2.4 KiB
Go
/*
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NAME
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alsa_test.go
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AUTHOR
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Trek Hopton <trek@ausocean.org>
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LICENSE
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This file is Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License in gpl.txt.
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If not, see http://www.gnu.org/licenses.
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*/
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package alsa
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import (
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"io/ioutil"
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"os"
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"strconv"
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"testing"
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"time"
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"bitbucket.org/ausocean/av/codec/codecutil"
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"bitbucket.org/ausocean/av/codec/pcm"
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"bitbucket.org/ausocean/av/revid/config"
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"bitbucket.org/ausocean/utils/logger"
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)
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func TestDevice(t *testing.T) {
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// We want to open a device with a standard configuration.
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c := config.Config{
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SampleRate: 8000,
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Channels: 1,
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RecPeriod: 0.3,
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BitDepth: 16,
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InputCodec: codecutil.ADPCM,
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}
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n := 2 // Number of periods to wait while recording.
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// Create a new ALSA device, start, read/lex, and then stop it.
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l := logger.New(logger.Debug, os.Stderr, true)
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ai := New(l)
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err := ai.Set(c)
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// If there was an error opening the device, skip this test.
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if _, ok := err.(OpenError); ok {
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t.Skip(err)
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}
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// For any other error, report it.
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if err != nil {
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t.Error(err)
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}
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err = ai.Start()
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if err != nil {
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t.Error(err)
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}
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cs := pcm.DataSize(c.SampleRate, c.Channels, c.BitDepth, c.RecPeriod, c.InputCodec)
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lexer, err := codecutil.NewByteLexer(cs)
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go lexer.Lex(ioutil.Discard, ai, time.Duration(c.RecPeriod*float64(time.Second)))
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time.Sleep(time.Duration(c.RecPeriod*float64(time.Second)) * time.Duration(n))
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ai.Stop()
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}
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var powerTests = []struct {
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in int
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out int
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}{
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{36, 32},
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{47, 32},
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{3, 4},
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{46, 32},
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{7, 8},
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{2, 2},
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{36, 32},
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{757, 512},
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{2464, 2048},
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{18980, 16384},
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{70000, 65536},
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{8192, 8192},
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{2048, 2048},
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{65536, 65536},
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{-2048, 1},
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{-127, 1},
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{-1, 1},
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{0, 1},
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{1, 2},
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}
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func TestNearestPowerOfTwo(t *testing.T) {
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for _, tt := range powerTests {
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t.Run(strconv.Itoa(tt.in), func(t *testing.T) {
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v := nearestPowerOfTwo(tt.in)
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if v != tt.out {
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t.Errorf("got %v, want %v", v, tt.out)
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}
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})
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}
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}
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