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Source file src/html/template/transition_test.go

Documentation: html/template

  // Copyright 2011 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 template
  
  import (
  	"bytes"
  	"strings"
  	"testing"
  )
  
  func TestFindEndTag(t *testing.T) {
  	tests := []struct {
  		s, tag string
  		want   int
  	}{
  		{"", "tag", -1},
  		{"hello </textarea> hello", "textarea", 6},
  		{"hello </TEXTarea> hello", "textarea", 6},
  		{"hello </textAREA>", "textarea", 6},
  		{"hello </textarea", "textareax", -1},
  		{"hello </textarea>", "tag", -1},
  		{"hello tag </textarea", "tag", -1},
  		{"hello </tag> </other> </textarea> <other>", "textarea", 22},
  		{"</textarea> <other>", "textarea", 0},
  		{"<div> </div> </TEXTAREA>", "textarea", 13},
  		{"<div> </div> </TEXTAREA\t>", "textarea", 13},
  		{"<div> </div> </TEXTAREA >", "textarea", 13},
  		{"<div> </div> </TEXTAREAfoo", "textarea", -1},
  		{"</TEXTAREAfoo </textarea>", "textarea", 14},
  		{"<</script >", "script", 1},
  		{"</script>", "textarea", -1},
  	}
  	for _, test := range tests {
  		if got := indexTagEnd([]byte(test.s), []byte(test.tag)); test.want != got {
  			t.Errorf("%q/%q: want\n\t%d\nbut got\n\t%d", test.s, test.tag, test.want, got)
  		}
  	}
  }
  
  func BenchmarkTemplateSpecialTags(b *testing.B) {
  
  	r := struct {
  		Name, Gift string
  	}{"Aunt Mildred", "bone china tea set"}
  
  	h1 := "<textarea> Hello Hello Hello </textarea> "
  	h2 := "<textarea> <p> Dear {{.Name}},\n{{with .Gift}}Thank you for the lovely {{.}}. {{end}}\nBest wishes. </p>\n</textarea>"
  	html := strings.Repeat(h1, 100) + h2 + strings.Repeat(h1, 100) + h2
  
  	var buf bytes.Buffer
  	for i := 0; i < b.N; i++ {
  		tmpl := Must(New("foo").Parse(html))
  		if err := tmpl.Execute(&buf, r); err != nil {
  			b.Fatal(err)
  		}
  		buf.Reset()
  	}
  }
  

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