vendor/golang.org/x/text/secure/precis/tables_test.go

   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
   5 package precis
   6
   7 import (
   8         "testing"
   9         "unicode"
  10         "unicode/utf8"
  11
  12         "golang.org/x/text/runes"
  13         "golang.org/x/text/unicode/rangetable"
  14 )
  15
  16 type tableTest struct {
  17         rangeTable *unicode.RangeTable
  18         prop       property
  19 }
  20
  21 var exceptions = runes.Predicate(func(r rune) bool {
  22         switch uint32(r) {
  23         case 0x00DF, 0x03C2, 0x06FD, 0x06FE, 0x0F0B, 0x3007, 0x00B7, 0x0375, 0x05F3,
  24                 0x05F4, 0x30FB, 0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666,
  25                 0x0667, 0x0668, 0x0669, 0x06F0, 0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5,
  26                 0x06F6, 0x06F7, 0x06F8, 0x06F9, 0x0640, 0x07FA, 0x302E, 0x302F, 0x3031,
  27                 0x3032, 0x3033, 0x3034, 0x3035, 0x303B:
  28                 return true
  29         default:
  30                 return false
  31         }
  32 })
  33
  34 // Ensure that certain properties were generated correctly.
  35 func TestTable(t *testing.T) {
  36         tests := []tableTest{
  37                 tableTest{
  38                         rangetable.Merge(
  39                                 unicode.Lt, unicode.Nl, unicode.No, // Other letter digits
  40                                 unicode.Me,             // Modifiers
  41                                 unicode.Zs,             // Spaces
  42                                 unicode.So,             // Symbols
  43                                 unicode.Pi, unicode.Pf, // Punctuation
  44                         ),
  45                         idDisOrFreePVal,
  46                 },
  47                 tableTest{
  48                         rangetable.New(0x30000, 0x30101, 0xDFFFF),
  49                         unassigned,
  50                 },
  51         }
  52
  53         assigned := rangetable.Assigned(UnicodeVersion)
  54
  55         for _, test := range tests {
  56                 rangetable.Visit(test.rangeTable, func(r rune) {
  57                         if !unicode.In(r, assigned) {
  58                                 return
  59                         }
  60                         b := make([]byte, 4)
  61                         n := utf8.EncodeRune(b, r)
  62                         trieval, _ := dpTrie.lookup(b[:n])
  63                         p := entry(trieval).property()
  64                         if p != test.prop && !exceptions.Contains(r) {
  65                                 t.Errorf("%U: got %+x; want %+x", r, test.prop, p)
  66                         }
  67                 })
  68         }
  69 }