vendor/golang.org/x/text/unicode/rangetable/rangetable_test.go

   1 package rangetable
   2
   3 import (
   4         "reflect"
   5         "testing"
   6         "unicode"
   7 )
   8
   9 var (
  10         empty = &unicode.RangeTable{}
  11         many  = &unicode.RangeTable{
  12                 R16:         []unicode.Range16{{0, 0xffff, 5}},
  13                 R32:         []unicode.Range32{{0x10004, 0x10009, 5}},
  14                 LatinOffset: 0,
  15         }
  16 )
  17
  18 func TestVisit(t *testing.T) {
  19         Visit(empty, func(got rune) {
  20                 t.Error("call from empty RangeTable")
  21         })
  22
  23         var want rune
  24         Visit(many, func(got rune) {
  25                 if got != want {
  26                         t.Errorf("got %U; want %U", got, want)
  27                 }
  28                 want += 5
  29         })
  30         if want -= 5; want != 0x10009 {
  31                 t.Errorf("last run was %U; want U+10009", want)
  32         }
  33 }
  34
  35 func TestNew(t *testing.T) {
  36         for i, rt := range []*unicode.RangeTable{
  37                 empty,
  38                 unicode.Co,
  39                 unicode.Letter,
  40                 unicode.ASCII_Hex_Digit,
  41                 many,
  42                 maxRuneTable,
  43         } {
  44                 var got, want []rune
  45                 Visit(rt, func(r rune) {
  46                         want = append(want, r)
  47                 })
  48                 Visit(New(want...), func(r rune) {
  49                         got = append(got, r)
  50                 })
  51                 if !reflect.DeepEqual(got, want) {
  52                         t.Errorf("%d:\ngot  %v;\nwant %v", i, got, want)
  53                 }
  54         }
  55 }