/usr/share/gocode/src/github.com/couchbase/moss/file_test.go is in golang-github-couchbase-moss-dev 0.0~git20170914.0.07c86e8-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | // Copyright (c) 2016 Couchbase, Inc.
// 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 moss
import (
"io/ioutil"
"os"
"path"
"sync"
"testing"
)
func TestFileRef(t *testing.T) {
tmpDir, _ := ioutil.TempDir("", "mossStore")
defer os.RemoveAll(tmpDir)
file, _ := os.OpenFile(path.Join(tmpDir, "test.mmap"),
os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
fref := &FileRef{file: file, refs: 1}
var m sync.Mutex
x := 0
after := 0
fref.OnBeforeClose(func() {
m.Lock()
x++
m.Unlock()
})
fref.OnAfterClose(func() {
m.Lock()
after++
m.Unlock()
})
file2 := fref.AddRef()
fref.m.Lock()
if fref.refs != 2 {
t.Errorf("expected 2 refs")
}
if fref.file != file2 {
t.Errorf("expected file == file2")
}
fref.m.Unlock()
fref.DecRef()
m.Lock()
if x != 0 {
t.Errorf("expected x 0")
}
if after != 0 {
t.Errorf("expected after 0")
}
m.Unlock()
fref.m.Lock()
if fref.refs != 1 {
t.Errorf("expected 1 refs")
}
if fref.file != file2 {
t.Errorf("expected file == file2")
}
fref.m.Unlock()
fref.DecRef()
m.Lock()
if x != 1 {
t.Errorf("expected x 1")
}
if after != 1 {
t.Errorf("expected after 1")
}
m.Unlock()
fref.m.Lock()
if fref.refs != 0 {
t.Errorf("expected 1 refs")
}
if fref.file != nil {
t.Errorf("expected file == nil")
}
fref.m.Unlock()
err := file.Close()
if err == nil {
t.Errorf("expected re-close to err")
}
fref = nil
if fref.DecRef() != nil {
t.Errorf("expected DecRef on nil to nil")
}
if ToOsFile(file) != file {
t.Errorf("expected ToOsFile(file) == file")
}
}
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