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59 lines
1.1 KiB
59 lines
1.1 KiB
package buf_test
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import (
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"crypto/rand"
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"io"
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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.WriteBytes('a', 'b')
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b2 := New()
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b2.WriteBytes('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.WriteBytes('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 := make([]byte, 8*1024)
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common.Must2(io.ReadFull(rand.Reader, lb))
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var mb MultiBuffer
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common.Must2(mb.Write(lb))
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mb2 := mb.SliceBySize(1024)
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assert(mb2.Len(), Equals, int32(1024))
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}
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func TestInterface(t *testing.T) {
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assert := With(t)
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assert((*MultiBuffer)(nil), Implements, (*io.WriterTo)(nil))
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assert((*MultiBuffer)(nil), Implements, (*io.ReaderFrom)(nil))
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}
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