47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
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// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ioutil
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import (
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"bytes"
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"io"
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"testing"
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)
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type readerNilCloser struct{ io.Reader }
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func (rc *readerNilCloser) Close() error { return nil }
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// TestExactReadCloserExpectEOF expects an eof when reading too much.
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func TestExactReadCloserExpectEOF(t *testing.T) {
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buf := bytes.NewBuffer(make([]byte, 10))
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rc := NewExactReadCloser(&readerNilCloser{buf}, 1)
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if _, err := rc.Read(make([]byte, 10)); err != ErrExpectEOF {
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t.Fatalf("expected %v, got %v", ErrExpectEOF, err)
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}
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}
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// TestExactReadCloserShort expects an eof when reading too little
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func TestExactReadCloserShort(t *testing.T) {
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buf := bytes.NewBuffer(make([]byte, 5))
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rc := NewExactReadCloser(&readerNilCloser{buf}, 10)
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if _, err := rc.Read(make([]byte, 10)); err != nil {
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t.Fatalf("Read expected nil err, got %v", err)
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}
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if err := rc.Close(); err != ErrShortRead {
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t.Fatalf("Close expected %v, got %v", ErrShortRead, err)
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}
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}
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