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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package http2
import (
"reflect"
"testing"
)
var bufferReadTests = []struct {
buf fixedBuffer
read, wn int
werr error
wp []byte
wbuf fixedBuffer
}{
{
fixedBuffer{[]byte{'a', 0}, 0, 1},
5, 1, nil, []byte{'a'},
fixedBuffer{[]byte{'a', 0}, 0, 0},
},
{
fixedBuffer{[]byte{0, 'a'}, 1, 2},
5, 1, nil, []byte{'a'},
fixedBuffer{[]byte{0, 'a'}, 0, 0},
},
{
fixedBuffer{[]byte{'a', 'b'}, 0, 2},
1, 1, nil, []byte{'a'},
fixedBuffer{[]byte{'a', 'b'}, 1, 2},
},
{
fixedBuffer{[]byte{}, 0, 0},
5, 0, errReadEmpty, []byte{},
fixedBuffer{[]byte{}, 0, 0},
},
}
func TestBufferRead(t *testing.T) {
for i, tt := range bufferReadTests {
read := make([]byte, tt.read)
n, err := tt.buf.Read(read)
if n != tt.wn {
t.Errorf("#%d: wn = %d want %d", i, n, tt.wn)
continue
}
if err != tt.werr {
t.Errorf("#%d: werr = %v want %v", i, err, tt.werr)
continue
}
read = read[:n]
if !reflect.DeepEqual(read, tt.wp) {
t.Errorf("#%d: read = %+v want %+v", i, read, tt.wp)
}
if !reflect.DeepEqual(tt.buf, tt.wbuf) {
t.Errorf("#%d: buf = %+v want %+v", i, tt.buf, tt.wbuf)
}
}
}
var bufferWriteTests = []struct {
buf fixedBuffer
write, wn int
werr error
wbuf fixedBuffer
}{
{
buf: fixedBuffer{
buf: []byte{},
},
wbuf: fixedBuffer{
buf: []byte{},
},
},
{
buf: fixedBuffer{
buf: []byte{1, 'a'},
},
write: 1,
wn: 1,
wbuf: fixedBuffer{
buf: []byte{0, 'a'},
w: 1,
},
},
{
buf: fixedBuffer{
buf: []byte{'a', 1},
r: 1,
w: 1,
},
write: 2,
wn: 2,
wbuf: fixedBuffer{
buf: []byte{0, 0},
w: 2,
},
},
{
buf: fixedBuffer{
buf: []byte{},
},
write: 5,
werr: errWriteFull,
wbuf: fixedBuffer{
buf: []byte{},
},
},
}
func TestBufferWrite(t *testing.T) {
for i, tt := range bufferWriteTests {
n, err := tt.buf.Write(make([]byte, tt.write))
if n != tt.wn {
t.Errorf("#%d: wrote %d bytes; want %d", i, n, tt.wn)
continue
}
if err != tt.werr {
t.Errorf("#%d: error = %v; want %v", i, err, tt.werr)
continue
}
if !reflect.DeepEqual(tt.buf, tt.wbuf) {
t.Errorf("#%d: buf = %+v; want %+v", i, tt.buf, tt.wbuf)
}
}
}
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