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// Copyright 2010 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 html

import (

        "testing"

        "unicode/utf8"

)

func TestEntityLength(t *testing.T) {

        // We verify that the length of UTF-8 encoding of each value is <= 1 + len(key).

        // The +1 comes from the leading "&". This property implies that the length of

        // unescaped text is <= the length of escaped text.

        for k, v := range entity {

                if 1+len(k) < utf8.RuneLen(v) {

                        t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v))

                }

                if len(k) > longestEntityWithoutSemicolon && k[len(k)-1] != ';' {

                        t.Errorf("entity name %s is %d characters, but longestEntityWithoutSemicolon=%d", k, len(k), longestEntityWithoutSemicolon)

                }

        }

        for k, v := range entity2 {

                if 1+len(k) < utf8.RuneLen(v[0])+utf8.RuneLen(v[1]) {

                        t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v[0]) + string(v[1]))

                }

        }

}