| // 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) |
| } |
| } |