go/test/fixedbugs/bug345.go

// +build !nacl,!windows
// run

// Copyright 2011 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 (
	"fmt"
	"go/build"
	"os"
	"os/exec"
	"path/filepath"
)

func main() {
	a, err := build.ArchChar(build.Default.GOARCH)
	check(err)

	// TODO: If we get rid of errchk, re-enable this test on Windows.
	errchk, err := filepath.Abs("errchk")
	check(err)

	err = os.Chdir(filepath.Join(".", "fixedbugs", "bug345.dir"))
	check(err)

	run("go", "tool", a+"g", "io.go")
	run(errchk, "go", "tool", a+"g", "-e", "main.go")
	os.Remove("io." + a)
}

func run(name string, args ...string) {
	cmd := exec.Command(name, args...)
	out, err := cmd.CombinedOutput()
	if err != nil {
		fmt.Println(string(out))
		fmt.Println(err)
		os.Exit(1)
	}
}

func check(err error) {
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}