| // 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. |
| |
| //go:build unix |
| |
| package exec_test |
| |
| import ( |
| "os" |
| "os/exec" |
| "testing" |
| ) |
| |
| func TestLookPathUnixEmptyPath(t *testing.T) { |
| // Not parallel: uses Chdir and Setenv. |
| |
| tmp := t.TempDir() |
| chdir(t, tmp) |
| |
| 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) |
| } |
| |
| t.Setenv("PATH", "") |
| |
| path, err := exec.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) |
| } |
| } |
