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Source file src/html/entity_test.go

Documentation: html

     1  // Copyright 2010 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 html
     6  
     7  import (
     8  	"testing"
     9  	"unicode/utf8"
    10  )
    11  
    12  func TestEntityLength(t *testing.T) {
    13  	// We verify that the length of UTF-8 encoding of each value is <= 1 + len(key).
    14  	// The +1 comes from the leading "&". This property implies that the length of
    15  	// unescaped text is <= the length of escaped text.
    16  	for k, v := range entity {
    17  		if 1+len(k) < utf8.RuneLen(v) {
    18  			t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v))
    19  		}
    20  		if len(k) > longestEntityWithoutSemicolon && k[len(k)-1] != ';' {
    21  			t.Errorf("entity name %s is %d characters, but longestEntityWithoutSemicolon=%d", k, len(k), longestEntityWithoutSemicolon)
    22  		}
    23  	}
    24  	for k, v := range entity2 {
    25  		if 1+len(k) < utf8.RuneLen(v[0])+utf8.RuneLen(v[1]) {
    26  			t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v[0]) + string(v[1]))
    27  		}
    28  	}
    29  }
    30  

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