32 lines
678 B
Go
32 lines
678 B
Go
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package os_test
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import (
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"io/ioutil"
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"os"
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"testing"
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)
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func TestErrIsExist(t *testing.T) {
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f, err := ioutil.TempFile("", "_Go_ErrIsExist")
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if err != nil {
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t.Fatalf("open ErrIsExist tempfile: %s", err)
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return
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}
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defer os.Remove(f.Name())
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defer f.Close()
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f2, err := os.OpenFile(f.Name(), os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
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if err == nil {
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f2.Close()
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t.Fatal("Open should have failed")
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return
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}
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if !os.IsExist(err) {
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t.Fatalf("os.IsExist does not work as expected for %#v", err)
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return
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}
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}
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