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88 lines
2.2 KiB
88 lines
2.2 KiB
9 years ago
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ssh
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import (
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"io"
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"testing"
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)
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var alphabet = []byte("abcdefghijklmnopqrstuvwxyz")
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func TestBufferReadwrite(t *testing.T) {
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b := newBuffer()
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b.write(alphabet[:10])
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r, _ := b.Read(make([]byte, 10))
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if r != 10 {
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t.Fatalf("Expected written == read == 10, written: 10, read %d", r)
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}
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b = newBuffer()
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b.write(alphabet[:5])
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r, _ = b.Read(make([]byte, 10))
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if r != 5 {
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t.Fatalf("Expected written == read == 5, written: 5, read %d", r)
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}
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b = newBuffer()
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b.write(alphabet[:10])
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r, _ = b.Read(make([]byte, 5))
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if r != 5 {
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t.Fatalf("Expected written == 10, read == 5, written: 10, read %d", r)
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}
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b = newBuffer()
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b.write(alphabet[:5])
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b.write(alphabet[5:15])
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r, _ = b.Read(make([]byte, 10))
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r2, _ := b.Read(make([]byte, 10))
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if r != 10 || r2 != 5 || 15 != r+r2 {
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t.Fatal("Expected written == read == 15")
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}
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}
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func TestBufferClose(t *testing.T) {
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b := newBuffer()
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b.write(alphabet[:10])
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b.eof()
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_, err := b.Read(make([]byte, 5))
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if err != nil {
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t.Fatal("expected read of 5 to not return EOF")
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}
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b = newBuffer()
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b.write(alphabet[:10])
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b.eof()
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r, err := b.Read(make([]byte, 5))
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r2, err2 := b.Read(make([]byte, 10))
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if r != 5 || r2 != 5 || err != nil || err2 != nil {
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t.Fatal("expected reads of 5 and 5")
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}
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b = newBuffer()
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b.write(alphabet[:10])
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b.eof()
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r, err = b.Read(make([]byte, 5))
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r2, err2 = b.Read(make([]byte, 10))
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r3, err3 := b.Read(make([]byte, 10))
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if r != 5 || r2 != 5 || r3 != 0 || err != nil || err2 != nil || err3 != io.EOF {
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t.Fatal("expected reads of 5 and 5 and 0, with EOF")
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}
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b = newBuffer()
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b.write(make([]byte, 5))
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b.write(make([]byte, 10))
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b.eof()
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r, err = b.Read(make([]byte, 9))
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r2, err2 = b.Read(make([]byte, 3))
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r3, err3 = b.Read(make([]byte, 3))
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r4, err4 := b.Read(make([]byte, 10))
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if err != nil || err2 != nil || err3 != nil || err4 != io.EOF {
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t.Fatalf("Expected EOF on forth read only, err=%v, err2=%v, err3=%v, err4=%v", err, err2, err3, err4)
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}
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if r != 9 || r2 != 3 || r3 != 3 || r4 != 0 {
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t.Fatal("Expected written == read == 15", r, r2, r3, r4)
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}
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}
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