| // Copyright 2013 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris |
| |
| package exec |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "testing" |
| ) |
| |
| func TestLookPathUnixEmptyPath(t *testing.T) { |
| tmp, err := ioutil.TempDir("", "TestLookPathUnixEmptyPath") |
| if err != nil { |
| t.Fatal("TempDir failed: ", err) |
| } |
| defer os.RemoveAll(tmp) |
| wd, err := os.Getwd() |
| if err != nil { |
| t.Fatal("Getwd failed: ", err) |
| } |
| err = os.Chdir(tmp) |
| if err != nil { |
| t.Fatal("Chdir failed: ", err) |
| } |
| defer os.Chdir(wd) |
| |
| f, err := os.OpenFile("exec_me", os.O_CREATE|os.O_EXCL, 0700) |
| if err != nil { |
| t.Fatal("OpenFile failed: ", err) |
| } |
| err = f.Close() |
| if err != nil { |
| t.Fatal("Close failed: ", err) |
| } |
| |
| pathenv := os.Getenv("PATH") |
| defer os.Setenv("PATH", pathenv) |
| |
| err = os.Setenv("PATH", "") |
| if err != nil { |
| t.Fatal("Setenv failed: ", err) |
| } |
| |
| path, err := LookPath("exec_me") |
| if err == nil { |
| t.Fatal("LookPath found exec_me in empty $PATH") |
| } |
| if path != "" { |
| t.Fatalf("LookPath path == %q when err != nil", path) |
| } |
| } |
