mirror of
https://github.com/golang/go
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c007ce824d
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
48 lines
972 B
Go
48 lines
972 B
Go
// 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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"path/filepath"
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"testing"
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)
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func TestErrIsExistAfterRename(t *testing.T) {
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dir, err := ioutil.TempDir("", "go-build")
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if err != nil {
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t.Fatalf("Create temp directory: %v", err)
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}
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defer os.RemoveAll(dir)
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src := filepath.Join(dir, "src")
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dest := filepath.Join(dir, "dest")
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f, err := os.Create(src)
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if err != nil {
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t.Fatalf("Create file %v: %v", src, err)
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}
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f.Close()
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err = os.Rename(src, dest)
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if err != nil {
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t.Fatalf("Rename %v to %v: %v", src, dest, err)
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}
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f, err = os.Create(src)
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if err != nil {
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t.Fatalf("Create file %v: %v", src, err)
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}
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f.Close()
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err = os.Rename(src, dest)
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if err == nil {
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t.Fatal("Rename should have failed")
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}
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if s := checkErrorPredicate("os.IsExist", os.IsExist, err); s != "" {
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t.Fatal(s)
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return
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}
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}
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