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Fix slow HTML elements collector for the pre case

Browse Source 
```
name                           old time/op    new time/op    delta
ElementsCollectorWriterPre-10    25.2µs ± 1%     3.4µs ± 0%  -86.54%  (p=0.029 n=4+4)

name                           old alloc/op   new alloc/op   delta
ElementsCollectorWriterPre-10      624B ± 0%      142B ± 0%  -77.18%  (p=0.029 n=4+4)

name                           old allocs/op  new allocs/op  delta
ElementsCollectorWriterPre-10      16.0 ± 0%       6.0 ± 0%  -62.50%  (p=0.029 n=4+4)
```

Fixes #10698
This commit is contained in:
Bjørn Erik Pedersen
2023-02-05 15:14:30 +01:00
parent 4f4a1c00bf
commit f9fc0e045b
2 changed files with 93 additions and 8 deletions
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28
publisher/htmlElementsCollector_test.go
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@@ -155,6 +155,34 @@ func TestClassCollector(t *testing.T) {
}
func TestEndsWithTag(t *testing.T) {
c := qt.New((t))
for _, test := range []struct {
name string
s string
tagName string
expect bool
}{
{"empty", "", "div", false},
{"no match", "foo", "div", false},
{"no close", "foo<div>", "div", false},
{"no close 2", "foo/div>", "div", false},
{"no close 2", "foo//div>", "div", false},
{"no tag", "foo</>", "div", false},
{"match", "foo</div>", "div", true},
{"match space", "foo< / div>", "div", true},
{"match space 2", "foo< / div \n>", "div", true},
{"match case", "foo</DIV>", "div", true},
} {
c.Run(test.name, func(c *qt.C) {
got := isClosedByTag([]byte(test.s), []byte(test.tagName))
c.Assert(got, qt.Equals, test.expect)
})
}
}
func BenchmarkElementsCollectorWriter(b *testing.B) {
const benchHTML = `
<!DOCTYPE html>