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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"
"golang.org/x/text/runes"
)
// Compile-time regression test to ensure that Class is a Set
var _ runes.Set = (*class)(nil)
// Ensure that certain characters are (or are not) in the identifier class.
func TestClassContains(t *testing.T) {
tests := []struct {
name string
class *class
allowed []rune
disallowed []rune
}{
{
name: "Identifier",
class: identifier,
allowed: []rune("Aa0\u0021\u007e\u00df\u3007"),
disallowed: []rune("\u2150\u2100\u2200\u3164\u2190\u2600\u303b\u1e9b"),
},
{
name: "Freeform",
class: freeform,
allowed: []rune("Aa0\u0021\u007e\u00df\u3007 \u2150\u2100\u2200\u2190\u2600\u1e9b"),
disallowed: []rune("\u3164\u303b"),
},
}
for _, rt := range tests {
for _, r := range rt.allowed {
if !rt.class.Contains(r) {
t.Errorf("Class %s should contain %U", rt.name, r)
}
}
for _, r := range rt.disallowed {
if rt.class.Contains(r) {
t.Errorf("Class %s should not contain %U", rt.name, r)
}
}
}
}
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