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<!DOCTYPE html>
<title>Test getCSSStyleRules for pseudo elements</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">

<style>
#block:before {
  display: block;
  content: ":before";
}
#block:after {
  display: block;
  content: ":after";
}

#table:before {
  display: table;
  content: ":before";
}
#table:after {
  display: table;
  content: ":after";
}

#flex:before {
  display: flex;
  content: ":before";
}
#flex:after {
  display: flex;
  content: ":after";
}

#grid:before {
  display: grid;
  content: ":before";
}
#grid:after {
  display: grid;
  content: ":after";
}
</style>

<div id="block">block pseudos</div>
<div id="table">table pseudos</div>
<div id="flex">flex pseudos</div>
<div id="grid">grid pseudos</div>

<script>
const InspectorUtils = SpecialPowers.InspectorUtils;

function checkPseudoStyleForId(id) {
  let element = document.getElementById(id);

  let beforeRules = InspectorUtils.getCSSStyleRules(element, ":before");
  is (beforeRules.length, 1, "Element " + id + ":before has expected number of rules.");
  let beforeDecl = beforeRules[0].style;
  is (beforeDecl.content, '":before"', "Element " + id + ":before has expected style content.");

  let afterRules  = InspectorUtils.getCSSStyleRules(element, ":after");
  is (afterRules.length, 1, "Element " + id + ":after has expected number of rules.");
  let afterDecl = afterRules[0].style;
  is (afterDecl.content, '":after"', "Element " + id + ":after has expected style content.");
}

let idsToCheck = [
  "block",
  "table",
  "flex",
  "grid",
];

for (let id of idsToCheck) {
  checkPseudoStyleForId(id);
}
</script>