mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-18 02:16:10 -05:00
71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package buf_test
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import (
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"bufio"
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"bytes"
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"crypto/rand"
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"testing"
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"context"
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"io"
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"v2ray.com/core/common"
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. "v2ray.com/core/common/buf"
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"v2ray.com/core/transport/ray"
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. "v2ray.com/ext/assert"
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)
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func TestWriter(t *testing.T) {
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assert := With(t)
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lb := New()
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assert(lb.AppendSupplier(ReadFrom(rand.Reader)), IsNil)
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expectedBytes := append([]byte(nil), lb.Bytes()...)
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writeBuffer := bytes.NewBuffer(make([]byte, 0, 1024*1024))
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writer := NewWriter(NewBufferedWriter(writeBuffer))
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err := writer.Write(NewMultiBufferValue(lb))
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assert(err, IsNil)
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assert(expectedBytes, Equals, writeBuffer.Bytes())
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}
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func TestBytesWriterReadFrom(t *testing.T) {
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assert := With(t)
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cache := ray.NewStream(context.Background())
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reader := bufio.NewReader(io.LimitReader(rand.Reader, 8192))
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_, err := reader.WriteTo(ToBytesWriter(cache))
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assert(err, IsNil)
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mb, err := cache.Read()
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assert(err, IsNil)
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assert(mb.Len(), Equals, 8192)
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assert(len(mb), Equals, 4)
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}
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func TestDiscardBytes(t *testing.T) {
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assert := With(t)
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b := New()
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common.Must(b.Reset(ReadFrom(rand.Reader)))
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nBytes, err := io.Copy(DiscardBytes, b)
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assert(nBytes, Equals, int64(Size))
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assert(err, IsNil)
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}
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func TestDiscardBytesMultiBuffer(t *testing.T) {
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assert := With(t)
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const size = 10240*1024 + 1
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buffer := bytes.NewBuffer(make([]byte, 0, size))
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common.Must2(buffer.ReadFrom(io.LimitReader(rand.Reader, size)))
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r := NewReader(buffer)
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nBytes, err := io.Copy(DiscardBytes, ToBytesReader(r))
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assert(nBytes, Equals, int64(size))
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assert(err, IsNil)
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}
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