655 lines
14 KiB
Go
655 lines
14 KiB
Go
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package cascadia
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import (
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"bytes"
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"strings"
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"testing"
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"golang.org/x/net/html"
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)
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type selectorTest struct {
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HTML, selector string
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results []string
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}
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func nodeString(n *html.Node) string {
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buf := bytes.NewBufferString("")
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html.Render(buf, n)
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return buf.String()
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}
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var selectorTests = []selectorTest{
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{
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`<body><address>This address...</address></body>`,
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"address",
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[]string{
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"<address>This address...</address>",
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},
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},
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{
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`<!-- comment --><html><head></head><body>text</body></html>`,
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"*",
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[]string{
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"<html><head></head><body>text</body></html>",
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"<head></head>",
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"<body>text</body>",
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},
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},
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{
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`<html><head></head><body></body></html>`,
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"*",
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[]string{
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"<html><head></head><body></body></html>",
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"<head></head>",
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"<body></body>",
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},
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},
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{
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`<p id="foo"><p id="bar">`,
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"#foo",
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[]string{
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`<p id="foo"></p>`,
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},
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},
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{
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`<ul><li id="t1"><p id="t1">`,
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"li#t1",
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[]string{
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`<li id="t1"><p id="t1"></p></li>`,
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},
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},
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{
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`<ol><li id="t4"><li id="t44">`,
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"*#t4",
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[]string{
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`<li id="t4"></li>`,
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},
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},
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{
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`<ul><li class="t1"><li class="t2">`,
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".t1",
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[]string{
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`<li class="t1"></li>`,
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},
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},
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{
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`<p class="t1 t2">`,
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"p.t1",
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[]string{
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`<p class="t1 t2"></p>`,
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},
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},
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{
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`<div class="test">`,
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"div.teST",
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[]string{},
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},
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{
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`<p class="t1 t2">`,
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".t1.fail",
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[]string{},
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},
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{
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`<p class="t1 t2">`,
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"p.t1.t2",
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[]string{
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`<p class="t1 t2"></p>`,
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},
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},
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{
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`<p><p title="title">`,
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"p[title]",
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[]string{
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`<p title="title"></p>`,
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},
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},
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{
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`<address><address title="foo"><address title="bar">`,
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`address[title="foo"]`,
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[]string{
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`<address title="foo"><address title="bar"></address></address>`,
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},
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},
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{
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`<address><address title="foo"><address title="bar">`,
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`address[title!="foo"]`,
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[]string{
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`<address><address title="foo"><address title="bar"></address></address></address>`,
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`<address title="bar"></address>`,
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},
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},
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{
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`<p title="tot foo bar">`,
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`[ title ~= foo ]`,
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[]string{
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`<p title="tot foo bar"></p>`,
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},
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},
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{
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`<p title="hello world">`,
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`[title~="hello world"]`,
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[]string{},
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},
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{
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`<p lang="en"><p lang="en-gb"><p lang="enough"><p lang="fr-en">`,
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`[lang|="en"]`,
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[]string{
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`<p lang="en"></p>`,
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`<p lang="en-gb"></p>`,
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},
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},
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{
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`<p title="foobar"><p title="barfoo">`,
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`[title^="foo"]`,
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[]string{
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`<p title="foobar"></p>`,
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},
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},
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{
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`<p title="foobar"><p title="barfoo">`,
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`[title$="bar"]`,
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[]string{
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`<p title="foobar"></p>`,
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},
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},
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{
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`<p title="foobarufoo">`,
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`[title*="bar"]`,
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[]string{
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`<p title="foobarufoo"></p>`,
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},
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},
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{
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`<p class=" ">This text should be green.</p><p>This text should be green.</p>`,
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`p[class$=" "]`,
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[]string{},
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},
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{
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`<p class="">This text should be green.</p><p>This text should be green.</p>`,
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`p[class$=""]`,
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[]string{},
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},
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{
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`<p class=" ">This text should be green.</p><p>This text should be green.</p>`,
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`p[class^=" "]`,
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[]string{},
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},
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{
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`<p class="">This text should be green.</p><p>This text should be green.</p>`,
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`p[class^=""]`,
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[]string{},
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},
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{
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`<p class=" ">This text should be green.</p><p>This text should be green.</p>`,
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`p[class*=" "]`,
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[]string{},
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},
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{
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`<p class="">This text should be green.</p><p>This text should be green.</p>`,
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`p[class*=""]`,
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[]string{},
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},
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{
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`<input type="radio" name="Sex" value="F"/>`,
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`input[name=Sex][value=F]`,
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[]string{
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`<input type="radio" name="Sex" value="F"/>`,
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},
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},
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{
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`<table border="0" cellpadding="0" cellspacing="0" style="table-layout: fixed; width: 100%; border: 0 dashed; border-color: #FFFFFF"><tr style="height:64px">aaa</tr></table>`,
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`table[border="0"][cellpadding="0"][cellspacing="0"]`,
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[]string{
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`<table border="0" cellpadding="0" cellspacing="0" style="table-layout: fixed; width: 100%; border: 0 dashed; border-color: #FFFFFF"><tbody><tr style="height:64px"></tr></tbody></table>`,
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},
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},
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{
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`<p class="t1 t2">`,
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".t1:not(.t2)",
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[]string{},
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},
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{
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`<div class="t3">`,
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`div:not(.t1)`,
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[]string{
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`<div class="t3"></div>`,
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},
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},
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{
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`<div><div class="t2"><div class="t3">`,
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`div:not([class="t2"])`,
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[]string{
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`<div><div class="t2"><div class="t3"></div></div></div>`,
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`<div class="t3"></div>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3></ol>`,
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`li:nth-child(odd)`,
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[]string{
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`<li id="1"></li>`,
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`<li id="3"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3></ol>`,
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`li:nth-child(even)`,
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[]string{
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`<li id="2"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3></ol>`,
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`li:nth-child(-n+2)`,
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[]string{
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`<li id="1"></li>`,
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`<li id="2"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3></ol>`,
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`li:nth-child(3n+1)`,
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[]string{
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`<li id="1"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
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`li:nth-last-child(odd)`,
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[]string{
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`<li id="2"></li>`,
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`<li id="4"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
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`li:nth-last-child(even)`,
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[]string{
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`<li id="1"></li>`,
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`<li id="3"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
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`li:nth-last-child(-n+2)`,
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[]string{
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`<li id="3"></li>`,
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`<li id="4"></li>`,
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},
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},
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{
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`<ol><li id=1><li id=2><li id=3><li id=4></ol>`,
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`li:nth-last-child(3n+1)`,
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[]string{
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`<li id="1"></li>`,
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`<li id="4"></li>`,
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},
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},
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{
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`<p>some text <span id="1">and a span</span><span id="2"> and another</span></p>`,
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`span:first-child`,
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[]string{
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`<span id="1">and a span</span>`,
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},
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},
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{
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`<span>a span</span> and some text`,
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`span:last-child`,
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[]string{
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`<span>a span</span>`,
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},
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},
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{
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`<address></address><p id=1><p id=2>`,
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`p:nth-of-type(2)`,
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[]string{
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`<p id="2"></p>`,
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},
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},
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{
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`<address></address><p id=1><p id=2></p><a>`,
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`p:nth-last-of-type(2)`,
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[]string{
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`<p id="1"></p>`,
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},
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},
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{
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`<address></address><p id=1><p id=2></p><a>`,
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`p:last-of-type`,
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[]string{
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`<p id="2"></p>`,
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},
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},
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{
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`<address></address><p id=1><p id=2></p><a>`,
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`p:first-of-type`,
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[]string{
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`<p id="1"></p>`,
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},
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},
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{
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`<div><p id="1"></p><a></a></div><div><p id="2"></p></div>`,
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`p:only-child`,
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[]string{
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`<p id="2"></p>`,
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},
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},
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{
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`<div><p id="1"></p><a></a></div><div><p id="2"></p><p id="3"></p></div>`,
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`p:only-of-type`,
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[]string{
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`<p id="1"></p>`,
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},
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},
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{
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`<p id="1"><!-- --><p id="2">Hello<p id="3"><span>`,
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`:empty`,
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[]string{
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`<head></head>`,
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`<p id="1"><!-- --></p>`,
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`<span></span>`,
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},
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},
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{
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`<div><p id="1"><table><tr><td><p id="2"></table></div><p id="3">`,
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`div p`,
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[]string{
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`<p id="1"><table><tbody><tr><td><p id="2"></p></td></tr></tbody></table></p>`,
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`<p id="2"></p>`,
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},
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},
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{
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`<div><p id="1"><table><tr><td><p id="2"></table></div><p id="3">`,
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`div table p`,
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[]string{
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`<p id="2"></p>`,
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},
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},
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{
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`<div><p id="1"><div><p id="2"></div><table><tr><td><p id="3"></table></div>`,
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`div > p`,
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[]string{
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`<p id="1"></p>`,
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`<p id="2"></p>`,
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},
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},
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{
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`<p id="1"><p id="2"></p><address></address><p id="3">`,
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`p ~ p`,
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[]string{
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`<p id="2"></p>`,
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`<p id="3"></p>`,
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},
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},
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{
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`<p id="1"></p>
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<!--comment-->
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<p id="2"></p><address></address><p id="3">`,
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`p + p`,
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[]string{
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`<p id="2"></p>`,
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},
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},
|
||
|
|
{
|
||
|
|
`<ul><li></li><li></li></ul><p>`,
|
||
|
|
`li, p`,
|
||
|
|
[]string{
|
||
|
|
"<li></li>",
|
||
|
|
"<li></li>",
|
||
|
|
"<p></p>",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="1"><p id="2"></p><address></address><p id="3">`,
|
||
|
|
`p +/*This is a comment*/ p`,
|
||
|
|
[]string{
|
||
|
|
`<p id="2"></p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
`p:contains("that wraps")`,
|
||
|
|
[]string{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
`p:containsOwn("that wraps")`,
|
||
|
|
[]string{},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
`:containsOwn("inner")`,
|
||
|
|
[]string{
|
||
|
|
`<span>wraps inner text</span>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
`p:containsOwn("block")`,
|
||
|
|
[]string{
|
||
|
|
`<p>Text block that <span>wraps inner text</span> and continues</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<div id="d1"><p id="p1"><span>text content</span></p></div><div id="d2"/>`,
|
||
|
|
`div:has(#p1)`,
|
||
|
|
[]string{
|
||
|
|
`<div id="d1"><p id="p1"><span>text content</span></p></div>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<div id="d1"><p id="p1"><span>contents 1</span></p></div>
|
||
|
|
<div id="d2"><p>contents <em>2</em></p></div>`,
|
||
|
|
`div:has(:containsOwn("2"))`,
|
||
|
|
[]string{
|
||
|
|
`<div id="d2"><p>contents <em>2</em></p></div>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<body><div id="d1"><p id="p1"><span>contents 1</span></p></div>
|
||
|
|
<div id="d2"><p id="p2">contents <em>2</em></p></div></body>`,
|
||
|
|
`body :has(:containsOwn("2"))`,
|
||
|
|
[]string{
|
||
|
|
`<div id="d2"><p id="p2">contents <em>2</em></p></div>`,
|
||
|
|
`<p id="p2">contents <em>2</em></p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<body><div id="d1"><p id="p1"><span>contents 1</span></p></div>
|
||
|
|
<div id="d2"><p id="p2">contents <em>2</em></p></div></body>`,
|
||
|
|
`body :haschild(:containsOwn("2"))`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p2">contents <em>2</em></p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches([\d])`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p1">0123456789</p>`,
|
||
|
|
`<p id="p3">0123ABCD</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches([a-z])`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p2">abcdef</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches([a-zA-Z])`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p2">abcdef</p>`,
|
||
|
|
`<p id="p3">0123ABCD</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches([^\d])`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p2">abcdef</p>`,
|
||
|
|
`<p id="p3">0123ABCD</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches(^(0|a))`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p1">0123456789</p>`,
|
||
|
|
`<p id="p2">abcdef</p>`,
|
||
|
|
`<p id="p3">0123ABCD</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:matches(^\d+$)`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p1">0123456789</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<p id="p1">0123456789</p><p id="p2">abcdef</p><p id="p3">0123ABCD</p>`,
|
||
|
|
`p:not(:matches(^\d+$))`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p2">abcdef</p>`,
|
||
|
|
`<p id="p3">0123ABCD</p>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<div><p id="p1">01234<em>567</em>89</p><div>`,
|
||
|
|
`div :matchesOwn(^\d+$)`,
|
||
|
|
[]string{
|
||
|
|
`<p id="p1">01234<em>567</em>89</p>`,
|
||
|
|
`<em>567</em>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<ul>
|
||
|
|
<li><a id="a1" href="http://www.google.com/finance"></a>
|
||
|
|
<li><a id="a2" href="http://finance.yahoo.com/"></a>
|
||
|
|
<li><a id="a2" href="http://finance.untrusted.com/"/>
|
||
|
|
<li><a id="a3" href="https://www.google.com/news"/>
|
||
|
|
<li><a id="a4" href="http://news.yahoo.com"/>
|
||
|
|
</ul>`,
|
||
|
|
`[href#=(fina)]:not([href#=(\/\/[^\/]+untrusted)])`,
|
||
|
|
[]string{
|
||
|
|
`<a id="a1" href="http://www.google.com/finance"></a>`,
|
||
|
|
`<a id="a2" href="http://finance.yahoo.com/"></a>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<ul>
|
||
|
|
<li><a id="a1" href="http://www.google.com/finance"/>
|
||
|
|
<li><a id="a2" href="http://finance.yahoo.com/"/>
|
||
|
|
<li><a id="a3" href="https://www.google.com/news"></a>
|
||
|
|
<li><a id="a4" href="http://news.yahoo.com"/>
|
||
|
|
</ul>`,
|
||
|
|
`[href#=(^https:\/\/[^\/]*\/?news)]`,
|
||
|
|
[]string{
|
||
|
|
`<a id="a3" href="https://www.google.com/news"></a>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<form>
|
||
|
|
<label>Username <input type="text" name="username" /></label>
|
||
|
|
<label>Password <input type="password" name="password" /></label>
|
||
|
|
<label>Country
|
||
|
|
<select name="country">
|
||
|
|
<option value="ca">Canada</option>
|
||
|
|
<option value="us">United States</option>
|
||
|
|
</select>
|
||
|
|
</label>
|
||
|
|
<label>Bio <textarea name="bio"></textarea></label>
|
||
|
|
<button>Sign up</button>
|
||
|
|
</form>`,
|
||
|
|
`:input`,
|
||
|
|
[]string{
|
||
|
|
`<input type="text" name="username"/>`,
|
||
|
|
`<input type="password" name="password"/>`,
|
||
|
|
`<select name="country">
|
||
|
|
<option value="ca">Canada</option>
|
||
|
|
<option value="us">United States</option>
|
||
|
|
</select>`,
|
||
|
|
`<textarea name="bio"></textarea>`,
|
||
|
|
`<button>Sign up</button>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<html><head></head><body></body></html>`,
|
||
|
|
":root",
|
||
|
|
[]string{
|
||
|
|
"<html><head></head><body></body></html>",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<html><head></head><body></body></html>`,
|
||
|
|
"*:root",
|
||
|
|
[]string{
|
||
|
|
"<html><head></head><body></body></html>",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<html><head></head><body></body></html>`,
|
||
|
|
"*:root:first-child",
|
||
|
|
[]string{},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<html><head></head><body></body></html>`,
|
||
|
|
"*:root:nth-child(1)",
|
||
|
|
[]string{},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
`<html><head></head><body><a href="http://www.foo.com"></a></body></html>`,
|
||
|
|
"a:not(:root)",
|
||
|
|
[]string{
|
||
|
|
`<a href="http://www.foo.com"></a>`,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSelectors(t *testing.T) {
|
||
|
|
for _, test := range selectorTests {
|
||
|
|
s, err := Compile(test.selector)
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("error compiling %q: %s", test.selector, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
doc, err := html.Parse(strings.NewReader(test.HTML))
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("error parsing %q: %s", test.HTML, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
matches := s.MatchAll(doc)
|
||
|
|
if len(matches) != len(test.results) {
|
||
|
|
t.Errorf("selector %s wanted %d elements, got %d instead", test.selector, len(test.results), len(matches))
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
for i, m := range matches {
|
||
|
|
got := nodeString(m)
|
||
|
|
if got != test.results[i] {
|
||
|
|
t.Errorf("selector %s wanted %s, got %s instead", test.selector, test.results[i], got)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
firstMatch := s.MatchFirst(doc)
|
||
|
|
if len(test.results) == 0 {
|
||
|
|
if firstMatch != nil {
|
||
|
|
t.Errorf("MatchFirst: selector %s want nil, got %s", test.selector, nodeString(firstMatch))
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
got := nodeString(firstMatch)
|
||
|
|
if got != test.results[0] {
|
||
|
|
t.Errorf("MatchFirst: selector %s want %s, got %s", test.selector, test.results[0], got)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|