118 lines
3 KiB
Go
118 lines
3 KiB
Go
package frame_test
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import (
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"bytes"
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"crypto/md5"
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"io"
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"testing"
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"git.gammaspectra.live/S.O.N.G/flacgo"
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)
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var golden = []struct {
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name string
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}{
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{name: "../testdata/love.flac"}, // i=0
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{name: "../testdata/19875.flac"}, // i=1
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{name: "../testdata/44127.flac"}, // i=2
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{name: "../testdata/59996.flac"}, // i=3
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{name: "../testdata/80574.flac"}, // i=4
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{name: "../testdata/172960.flac"}, // i=5
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{name: "../testdata/189983.flac"}, // i=6
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{name: "../testdata/191885.flac"}, // i=7
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{name: "../testdata/212768.flac"}, // i=8
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{name: "../testdata/220014.flac"}, // i=9
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{name: "../testdata/243749.flac"}, // i=10
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{name: "../testdata/256529.flac"}, // i=11
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{name: "../testdata/257344.flac"}, // i=12
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}
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func TestFrameHash(t *testing.T) {
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for i, g := range golden {
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stream, err := flac.Open(g.name)
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if err != nil {
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t.Fatal(err)
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}
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defer stream.Close()
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md5sum := md5.New()
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for frameNum := 0; ; frameNum++ {
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frame, err := stream.ParseNext()
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if err != nil {
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if err == io.EOF {
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break
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}
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t.Errorf("i=%d, frameNum=%d: error while parsing frame; %v", i, frameNum, err)
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continue
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}
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frame.Hash(md5sum)
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}
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want := stream.Info.MD5sum[:]
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got := md5sum.Sum(nil)
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// Verify the decoded audio samples by comparing the MD5 checksum that is
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// stored in StreamInfo with the computed one.
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if !bytes.Equal(got, want) {
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t.Errorf("i=%d: MD5 checksum mismatch for decoded audio samples; expected %32x, got %32x", i, want, got)
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}
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}
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}
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func BenchmarkFrameParse(b *testing.B) {
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// The file 151185.flac is a 119.5 MB public domain FLAC file used to
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// benchmark the flac library. Because of its size, it has not been included
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// in the repository, but is available for download at
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//
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// http://freesound.org/people/jarfil/sounds/151185/
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for i := 0; i < b.N; i++ {
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stream, err := flac.Open("../testdata/benchmark/151185.flac")
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if err != nil {
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b.Fatal(err)
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}
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for {
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_, err := stream.ParseNext()
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if err != nil {
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if err == io.EOF {
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break
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}
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stream.Close()
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b.Fatal(err)
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}
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}
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stream.Close()
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}
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}
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func BenchmarkFrameHash(b *testing.B) {
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// The file 151185.flac is a 119.5 MB public domain FLAC file used to
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// benchmark the flac library. Because of its size, it has not been included
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// in the repository, but is available for download at
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//
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// http://freesound.org/people/jarfil/sounds/151185/
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for i := 0; i < b.N; i++ {
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stream, err := flac.Open("../testdata/benchmark/151185.flac")
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if err != nil {
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b.Fatal(err)
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}
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md5sum := md5.New()
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for {
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frame, err := stream.ParseNext()
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if err != nil {
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if err == io.EOF {
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break
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}
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stream.Close()
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b.Fatal(err)
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}
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frame.Hash(md5sum)
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}
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stream.Close()
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want := stream.Info.MD5sum[:]
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got := md5sum.Sum(nil)
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// Verify the decoded audio samples by comparing the MD5 checksum that is
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// stored in StreamInfo with the computed one.
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if !bytes.Equal(got, want) {
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b.Fatalf("MD5 checksum mismatch for decoded audio samples; expected %32x, got %32x", want, got)
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}
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}
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}
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