| // 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() | |
| t.Chdir(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) | |
| } | |
| } | |