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51 lines
893 B
51 lines
893 B
package buf_test
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import (
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"crypto/rand"
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"testing"
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"v2ray.com/core/common"
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. "v2ray.com/core/common/buf"
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. "v2ray.com/ext/assert"
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)
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func TestMultiBufferRead(t *testing.T) {
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assert := With(t)
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b1 := New()
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b1.AppendBytes('a', 'b')
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b2 := New()
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b2.AppendBytes('c', 'd')
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mb := NewMultiBufferValue(b1, b2)
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bs := make([]byte, 32)
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nBytes, err := mb.Read(bs)
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assert(err, IsNil)
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assert(nBytes, Equals, 4)
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assert(bs[:nBytes], Equals, []byte("abcd"))
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}
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func TestMultiBufferAppend(t *testing.T) {
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assert := With(t)
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var mb MultiBuffer
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b := New()
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b.AppendBytes('a', 'b')
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mb.Append(b)
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assert(mb.Len(), Equals, int32(2))
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}
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func TestMultiBufferSliceBySizeLarge(t *testing.T) {
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assert := With(t)
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lb := NewSize(8 * 1024)
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common.Must(lb.Reset(ReadFrom(rand.Reader)))
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var mb MultiBuffer
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mb.Append(lb)
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mb2 := mb.SliceBySize(4 * 1024)
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assert(mb2.Len(), Equals, int32(4*1024))
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}
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