libgo/go/html/template/transition_test.go

   1 // Copyright 2011 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 template
   6
   7 import (
   8         "bytes"
   9         "strings"
  10         "testing"
  11 )
  12
  13 func TestFindEndTag(t *testing.T) {
  14         tests := []struct {
  15                 s, tag string
  16                 want   int
  17         }{
  18                 {"", "tag", -1},
  19                 {"hello </textarea> hello", "textarea", 6},
  20                 {"hello </TEXTarea> hello", "textarea", 6},
  21                 {"hello </textAREA>", "textarea", 6},
  22                 {"hello </textarea", "textareax", -1},
  23                 {"hello </textarea>", "tag", -1},
  24                 {"hello tag </textarea", "tag", -1},
  25                 {"hello </tag> </other> </textarea> <other>", "textarea", 22},
  26                 {"</textarea> <other>", "textarea", 0},
  27                 {"<div> </div> </TEXTAREA>", "textarea", 13},
  28                 {"<div> </div> </TEXTAREA\t>", "textarea", 13},
  29                 {"<div> </div> </TEXTAREA >", "textarea", 13},
  30                 {"<div> </div> </TEXTAREAfoo", "textarea", -1},
  31                 {"</TEXTAREAfoo </textarea>", "textarea", 14},
  32                 {"<</script >", "script", 1},
  33                 {"</script>", "textarea", -1},
  34         }
  35         for _, test := range tests {
  36                 if got := indexTagEnd([]byte(test.s), []byte(test.tag)); test.want != got {
  37                         t.Errorf("%q/%q: want\n\t%d\nbut got\n\t%d", test.s, test.tag, test.want, got)
  38                 }
  39         }
  40 }
  41
  42 func BenchmarkTemplateSpecialTags(b *testing.B) {
  43
  44         r := struct {
  45                 Name, Gift string
  46         }{"Aunt Mildred", "bone china tea set"}
  47
  48         h1 := "<textarea> Hello Hello Hello </textarea> "
  49         h2 := "<textarea> <p> Dear {{.Name}},\n{{with .Gift}}Thank you for the lovely {{.}}. {{end}}\nBest wishes. </p>\n</textarea>"
  50         html := strings.Repeat(h1, 100) + h2 + strings.Repeat(h1, 100) + h2
  51
  52         var buf bytes.Buffer
  53         for i := 0; i < b.N; i++ {
  54                 tmpl := Must(New("foo").Parse(html))
  55                 if err := tmpl.Execute(&buf, r); err != nil {
  56                         b.Fatal(err)
  57                 }
  58                 buf.Reset()
  59         }
  60 }