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// Copyright 2014 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.
package main
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
)
func TestAbsolutePath(t *testing.T) {
tmp, err := ioutil.TempDir("", "TestAbsolutePath")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
file := filepath.Join(tmp, "a.go")
err = ioutil.WriteFile(file, []byte{}, 0644)
if err != nil {
t.Fatal(err)
}
dir := filepath.Join(tmp, "dir")
err = os.Mkdir(dir, 0777)
if err != nil {
t.Fatal(err)
}
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
defer os.Chdir(wd)
// Chdir so current directory and a.go reside on the same drive.
err = os.Chdir(dir)
if err != nil {
t.Fatal(err)
}
noVolume := file[len(filepath.VolumeName(file)):]
wrongPath := filepath.Join(dir, noVolume)
output, err := exec.Command("go", "build", noVolume).CombinedOutput()
if err == nil {
t.Fatal("build should fail")
}
if strings.Contains(string(output), wrongPath) {
t.Fatalf("wrong output found: %v %v", err, string(output))
}
}
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