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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package precis
import (
"testing"
"unicode"
"unicode/utf8"
"golang.org/x/text/runes"
"golang.org/x/text/unicode/rangetable"
)
type tableTest struct {
rangeTable *unicode.RangeTable
prop property
}
var exceptions = runes.Predicate(func(r rune) bool {
switch uint32(r) {
case 0x00DF, 0x03C2, 0x06FD, 0x06FE, 0x0F0B, 0x3007, 0x00B7, 0x0375, 0x05F3,
0x05F4, 0x30FB, 0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666,
0x0667, 0x0668, 0x0669, 0x06F0, 0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5,
0x06F6, 0x06F7, 0x06F8, 0x06F9, 0x0640, 0x07FA, 0x302E, 0x302F, 0x3031,
0x3032, 0x3033, 0x3034, 0x3035, 0x303B:
return true
default:
return false
}
})
// Ensure that certain properties were generated correctly.
func TestTable(t *testing.T) {
tests := []tableTest{
tableTest{
rangetable.Merge(
unicode.Lt, unicode.Nl, unicode.No, // Other letter digits
unicode.Me, // Modifiers
unicode.Zs, // Spaces
unicode.So, // Symbols
unicode.Pi, unicode.Pf, // Punctuation
),
idDisOrFreePVal,
},
tableTest{
rangetable.New(0xA0000, 0xA0101, 0xDFFFF),
unassigned,
},
}
assigned := rangetable.Assigned(UnicodeVersion)
for _, test := range tests {
rangetable.Visit(test.rangeTable, func(r rune) {
if !unicode.In(r, assigned) {
return
}
b := make([]byte, 4)
n := utf8.EncodeRune(b, r)
trieval, _ := dpTrie.lookup(b[:n])
p := entry(trieval).property()
if p != test.prop && !exceptions.Contains(r) {
t.Errorf("%U: got %+x; want %+x", r, test.prop, p)
}
})
}
}
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