mirror of
https://github.com/tailscale/tailscale.git
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51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright 2013 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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// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
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package exec
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import (
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"os"
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"testing"
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)
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func TestLookPathUnixEmptyPath(t *testing.T) {
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tmp := t.TempDir()
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wd, err := os.Getwd()
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if err != nil {
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t.Fatal("Getwd failed: ", err)
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}
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err = os.Chdir(tmp)
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if err != nil {
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t.Fatal("Chdir failed: ", err)
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}
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defer os.Chdir(wd)
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f, err := os.OpenFile("exec_me", os.O_CREATE|os.O_EXCL, 0700)
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if err != nil {
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t.Fatal("OpenFile failed: ", err)
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}
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err = f.Close()
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if err != nil {
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t.Fatal("Close failed: ", err)
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}
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pathenv := os.Getenv("PATH")
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defer os.Setenv("PATH", pathenv)
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err = os.Setenv("PATH", "")
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if err != nil {
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t.Fatal("Setenv failed: ", err)
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}
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path, err := LookPath("exec_me")
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if err == nil {
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t.Fatal("LookPath found exec_me in empty $PATH")
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}
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if path != "" {
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t.Fatalf("LookPath path == %q when err != nil", path)
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}
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}
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