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 "internal/testenv" 9 "io/ioutil" 10 "os" 11 "os/exec" 12 "path/filepath" 13 "strings" 14 "testing" 15 ) 16 17 func TestAbsolutePath(t *testing.T) { 18 tmp, err := ioutil.TempDir("", "TestAbsolutePath") 19 if err != nil { 20 t.Fatal(err) 21 } 22 defer os.RemoveAll(tmp) 23 24 file := filepath.Join(tmp, "a.go") 25 err = ioutil.WriteFile(file, []byte{}, 0644) 26 if err != nil { 27 t.Fatal(err) 28 } 29 dir := filepath.Join(tmp, "dir") 30 err = os.Mkdir(dir, 0777) 31 if err != nil { 32 t.Fatal(err) 33 } 34 35 wd, err := os.Getwd() 36 if err != nil { 37 t.Fatal(err) 38 } 39 defer os.Chdir(wd) 40 41 // Chdir so current directory and a.go reside on the same drive. 42 err = os.Chdir(dir) 43 if err != nil { 44 t.Fatal(err) 45 } 46 47 noVolume := file[len(filepath.VolumeName(file)):] 48 wrongPath := filepath.Join(dir, noVolume) 49 output, err := exec.Command(testenv.GoToolPath(t), "build", noVolume).CombinedOutput() 50 if err == nil { 51 t.Fatal("build should fail") 52 } 53 if strings.Contains(string(output), wrongPath) { 54 t.Fatalf("wrong output found: %v %v", err, string(output)) 55 } 56 } 57
