| // Copyright 2016 The etcd Authors |
| // |
| // 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 ioutil |
| |
| import ( |
| "bytes" |
| "io" |
| "testing" |
| ) |
| |
| type readerNilCloser struct{ io.Reader } |
| |
| func (rc *readerNilCloser) Close() error { return nil } |
| |
| // TestExactReadCloserExpectEOF expects an eof when reading too much. |
| func TestExactReadCloserExpectEOF(t *testing.T) { |
| buf := bytes.NewBuffer(make([]byte, 10)) |
| rc := NewExactReadCloser(&readerNilCloser{buf}, 1) |
| if _, err := rc.Read(make([]byte, 10)); err != ErrExpectEOF { |
| t.Fatalf("expected %v, got %v", ErrExpectEOF, err) |
| } |
| } |
| |
| // TestExactReadCloserShort expects an eof when reading too little |
| func TestExactReadCloserShort(t *testing.T) { |
| buf := bytes.NewBuffer(make([]byte, 5)) |
| rc := NewExactReadCloser(&readerNilCloser{buf}, 10) |
| if _, err := rc.Read(make([]byte, 10)); err != nil { |
| t.Fatalf("Read expected nil err, got %v", err) |
| } |
| if err := rc.Close(); err != ErrShortRead { |
| t.Fatalf("Close expected %v, got %v", ErrShortRead, err) |
| } |
| } |