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// Copyright 2014 The Go Authors.
// See https://code.google.com/p/go/source/browse/CONTRIBUTORS
// Licensed under the same terms as Go itself:
// https://code.google.com/p/go/source/browse/LICENSE
package http2
import (
"io"
"reflect"
"testing"
)
var bufferReadTests = []struct {
buf buffer
read, wn int
werr error
wp []byte
wbuf buffer
}{
{
buffer{[]byte{'a', 0}, 0, 1, false, nil},
5, 1, nil, []byte{'a'},
buffer{[]byte{'a', 0}, 1, 1, false, nil},
},
{
buffer{[]byte{'a', 0}, 0, 1, true, io.EOF},
5, 1, io.EOF, []byte{'a'},
buffer{[]byte{'a', 0}, 1, 1, true, io.EOF},
},
{
buffer{[]byte{0, 'a'}, 1, 2, false, nil},
5, 1, nil, []byte{'a'},
buffer{[]byte{0, 'a'}, 2, 2, false, nil},
},
{
buffer{[]byte{0, 'a'}, 1, 2, true, io.EOF},
5, 1, io.EOF, []byte{'a'},
buffer{[]byte{0, 'a'}, 2, 2, true, io.EOF},
},
{
buffer{[]byte{}, 0, 0, false, nil},
5, 0, errReadEmpty, []byte{},
buffer{[]byte{}, 0, 0, false, nil},
},
{
buffer{[]byte{}, 0, 0, true, io.EOF},
5, 0, io.EOF, []byte{},
buffer{[]byte{}, 0, 0, true, io.EOF},
},
}
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 buffer
write, wn int
werr error
wbuf buffer
}{
{
buf: buffer{
buf: []byte{},
},
wbuf: buffer{
buf: []byte{},
},
},
{
buf: buffer{
buf: []byte{1, 'a'},
},
write: 1,
wn: 1,
wbuf: buffer{
buf: []byte{0, 'a'},
w: 1,
},
},
{
buf: buffer{
buf: []byte{'a', 1},
r: 1,
w: 1,
},
write: 2,
wn: 2,
wbuf: buffer{
buf: []byte{0, 0},
w: 2,
},
},
{
buf: buffer{
buf: []byte{},
r: 1,
closed: true,
},
write: 5,
werr: errWriteClosed,
wbuf: buffer{
buf: []byte{},
r: 1,
closed: true,
},
},
{
buf: buffer{
buf: []byte{},
},
write: 5,
werr: errWriteFull,
wbuf: buffer{
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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