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