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