1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package main 6 7 import ( 8 "io/ioutil" 9 "os" 10 "os/exec" 11 "path/filepath" 12 "strings" 13 "testing" 14 ) 15 16 func TestAbsolutePath(t *testing.T) { 17 tmp, err := ioutil.TempDir("", "TestAbsolutePath") 18 if err != nil { 19 t.Fatal(err) 20 } 21 defer os.RemoveAll(tmp) 22 23 file := filepath.Join(tmp, "a.go") 24 err = ioutil.WriteFile(file, []byte{}, 0644) 25 if err != nil { 26 t.Fatal(err) 27 } 28 dir := filepath.Join(tmp, "dir") 29 err = os.Mkdir(dir, 0777) 30 if err != nil { 31 t.Fatal(err) 32 } 33 34 wd, err := os.Getwd() 35 if err != nil { 36 t.Fatal(err) 37 } 38 defer os.Chdir(wd) 39 40 // Chdir so current directory and a.go reside on the same drive. 41 err = os.Chdir(dir) 42 if err != nil { 43 t.Fatal(err) 44 } 45 46 noVolume := file[len(filepath.VolumeName(file)):] 47 wrongPath := filepath.Join(dir, noVolume) 48 output, err := exec.Command("go", "build", noVolume).CombinedOutput() 49 if err == nil { 50 t.Fatal("build should fail") 51 } 52 if strings.Contains(string(output), wrongPath) { 53 t.Fatalf("wrong output found: %v %v", err, string(output)) 54 } 55 } 56
