mirror of https://github.com/perkeep/perkeep.git
78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
/*
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Copyright 2013 The Camlistore Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package readerutil
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"runtime"
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"testing"
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)
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func TestOpenSingle(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping in short mode")
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}
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defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(4))
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f, err := ioutil.TempFile("", "foo")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(f.Name())
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contents := []byte("Some file contents")
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if _, err := f.Write(contents); err != nil {
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t.Fatal(err)
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}
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f.Close()
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const j = 4
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errc := make(chan error, j)
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for i := 1; i < j; i++ {
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go func() {
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buf := make([]byte, len(contents))
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for i := 0; i < 400; i++ {
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rac, err := OpenSingle(f.Name())
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if err != nil {
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errc <- err
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return
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}
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n, err := rac.ReadAt(buf, 0)
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if err != nil {
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errc <- err
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return
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}
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if n != len(contents) || !bytes.Equal(buf, contents) {
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errc <- fmt.Errorf("read %d, %q; want %d, %q", n, buf, len(contents), contents)
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return
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}
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if err := rac.Close(); err != nil {
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errc <- err
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return
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}
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}
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errc <- nil
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}()
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}
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for i := 1; i < j; i++ {
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if err := <-errc; err != nil {
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t.Error(err)
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}
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}
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}
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