vendor/golang.org/x/text/cases/fold_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 cases
   6
   7 import (
   8         "testing"
   9
  10         "golang.org/x/text/internal/testtext"
  11 )
  12
  13 var foldTestCases = []string{
  14         "βß\u13f8",        // "βssᏰ"
  15         "ab\u13fc\uab7aꭰ", // abᏴᎪᎠ
  16         "aﬃﬄaﬆ",           // affifflast
  17         "Iİiı\u0345",      // ii̇iıι
  18         "µµΜΜςσΣΣ",        // μμμμσσσσ
  19 }
  20
  21 func TestFold(t *testing.T) {
  22         for _, tc := range foldTestCases {
  23                 testEntry := func(name string, c Caser, m func(r rune) string) {
  24                         want := ""
  25                         for _, r := range tc {
  26                                 want += m(r)
  27                         }
  28                         if got := c.String(tc); got != want {
  29                                 t.Errorf("%s(%s) = %+q; want %+q", name, tc, got, want)
  30                         }
  31                         dst := make([]byte, 256) // big enough to hold any result
  32                         src := []byte(tc)
  33                         v := testtext.AllocsPerRun(20, func() {
  34                                 c.Transform(dst, src, true)
  35                         })
  36                         if v > 0 {
  37                                 t.Errorf("%s(%s): number of allocs was %f; want 0", name, tc, v)
  38                         }
  39                 }
  40                 testEntry("FullFold", Fold(), func(r rune) string {
  41                         return runeFoldData(r).full
  42                 })
  43                 // TODO:
  44                 // testEntry("SimpleFold", Fold(Compact), func(r rune) string {
  45                 //      return runeFoldData(r).simple
  46                 // })
  47                 // testEntry("SpecialFold", Fold(Turkic), func(r rune) string {
  48                 //      return runeFoldData(r).special
  49                 // })
  50         }
  51 }