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// Copyright 2016 Matt T. Proud
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pbutil
import (
"bytes"
"errors"
"testing"
"github.com/golang/protobuf/proto"
)
var errMarshal = errors.New("pbutil: can't marshal")
type cantMarshal struct{ proto.Message }
func (cantMarshal) Marshal() ([]byte, error) { return nil, errMarshal }
var _ proto.Message = cantMarshal{}
func TestWriteDelimitedMarshalErr(t *testing.T) {
t.Parallel()
var data cantMarshal
var buf bytes.Buffer
n, err := WriteDelimited(&buf, data)
if got, want := n, 0; got != want {
t.Errorf("WriteDelimited(buf, %#v) = %#v, ?; want = %v#, ?", data, got, want)
}
if got, want := err, errMarshal; got != want {
t.Errorf("WriteDelimited(buf, %#v) = ?, %#v; want = ?, %#v", data, got, want)
}
}
type canMarshal struct{ proto.Message }
func (canMarshal) Marshal() ([]byte, error) { return []byte{0, 1, 2, 3, 4, 5}, nil }
var errWrite = errors.New("pbutil: can't write")
type cantWrite struct{}
func (cantWrite) Write([]byte) (int, error) { return 0, errWrite }
func TestWriteDelimitedWriteErr(t *testing.T) {
t.Parallel()
var data canMarshal
var buf cantWrite
n, err := WriteDelimited(buf, data)
if got, want := n, 0; got != want {
t.Errorf("WriteDelimited(buf, %#v) = %#v, ?; want = %v#, ?", data, got, want)
}
if got, want := err, errWrite; got != want {
t.Errorf("WriteDelimited(buf, %#v) = ?, %#v; want = ?, %#v", data, got, want)
}
}
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