vendor/golang.org/x/text/unicode/runenames/runenames_test.go

   1 // Copyright 2016 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 package runenames
   6
   7 import (
   8         "strings"
   9         "testing"
  10         "unicode"
  11
  12         "golang.org/x/text/internal/gen"
  13         "golang.org/x/text/internal/testtext"
  14         "golang.org/x/text/internal/ucd"
  15 )
  16
  17 func TestName(t *testing.T) {
  18         testtext.SkipIfNotLong(t)
  19
  20         wants := make([]string, 1+unicode.MaxRune)
  21         ucd.Parse(gen.OpenUCDFile("UnicodeData.txt"), func(p *ucd.Parser) {
  22                 r, s := p.Rune(0), p.String(ucd.Name)
  23                 if s == "" {
  24                         return
  25                 }
  26                 if s[0] == '<' {
  27                         const first = ", First>"
  28                         if i := strings.Index(s, first); i >= 0 {
  29                                 s = s[:i] + ">"
  30                         }
  31                 }
  32                 wants[r] = s
  33         })
  34
  35         nErrors := 0
  36         for r, want := range wants {
  37                 got := Name(rune(r))
  38                 if got != want {
  39                         t.Errorf("r=%#08x: got %q, want %q", r, got, want)
  40                         nErrors++
  41                         if nErrors == 100 {
  42                                 t.Fatal("too many errors")
  43                         }
  44                 }
  45         }
  46 }