1// Copyright 2015 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
5package display
6
7import (
8	"fmt"
9	"testing"
10
11	"golang.org/x/text/internal/testtext"
12)
13
14func TestLinking(t *testing.T) {
15	base := getSize(t, `display.Tags(language.English).Name(language.English)`)
16	compact := getSize(t, `display.English.Languages().Name(language.English)`)
17
18	if d := base - compact; d < 1.5*1024*1024 {
19		t.Errorf("size(base) - size(compact) = %d - %d = was %d; want > 1.5MB", base, compact, d)
20	}
21}
22
23func getSize(t *testing.T, main string) int {
24	size, err := testtext.CodeSize(fmt.Sprintf(body, main))
25	if err != nil {
26		t.Skipf("skipping link size test; binary size could not be determined: %v", err)
27	}
28	return size
29}
30
31const body = `package main
32import (
33	"golang.org/x/text/language"
34	"golang.org/x/text/language/display"
35)
36func main() {
37	%s
38}
39`
40