1// Copyright 2018 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// +build !nacl
6
7package main_test
8
9import (
10	"bytes"
11	"io/ioutil"
12	"testing"
13
14	"cmd/go/internal/help"
15)
16
17func TestDocsUpToDate(t *testing.T) {
18	buf := new(bytes.Buffer)
19	// Match the command in mkalldocs.sh that generates alldocs.go.
20	help.Help(buf, []string{"documentation"})
21	data, err := ioutil.ReadFile("alldocs.go")
22	if err != nil {
23		t.Fatalf("error reading alldocs.go: %v", err)
24	}
25	if !bytes.Equal(data, buf.Bytes()) {
26		t.Errorf("alldocs.go is not up to date; run mkalldocs.sh to regenerate it")
27	}
28}
29