ml
38 lines
983 B
Go
38 lines
983 B
Go
package wav_test
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/inkyblackness/hacked/ss1/content/audio/wav"
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)
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func TestSaveStoresBytes(t *testing.T) {
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sampleRate := float32(22050.0)
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samples := []byte{0x00, 0x40, 0x80, 0xC0, 0xFF}
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buf := bytes.NewBuffer(nil)
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err := wav.Save(buf, sampleRate, samples)
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require.Nil(t, err)
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assert.Equal(t, []byte{
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0x52, 0x49, 0x46, 0x46, // "RIFF"
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0x2B, 0x00, 0x00, 0x00, // len(RIFF)
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0x57, 0x41, 0x56, 0x45, // "WAVE"
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0x66, 0x6d, 0x74, 0x20, // "fmt "
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0x12, 0x00, 0x00, 0x00, // len(fmt)
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0x01, 0x00, // fmt:type
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0x01, 0x00, // fmt:channels
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0x22, 0x56, 0x00, 0x00, // fmt:samples/sec
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0x22, 0x56, 0x00, 0x00, // fmt:avgBytes/sec
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0x01, 0x00, // fmt:blockAlign
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0x08, 0x00, // fmt:bits/sample
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0x00, 0x00, // fmt:extensionSize
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0x64, 0x61, 0x74, 0x61, // "data"
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0x05, 0x00, 0x00, 0x00, // len(data)
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0x00, 0x40, 0x80, 0xC0, 0xFF}, buf.Bytes())
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}
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