<!DOCTYPE html>
<meta charset="utf-8">
<title>&lt;style> type="" edge cases</title>
<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
<link rel="help" href="https://html.spec.whatwg.org/multipage/semantics.html#update-a-style-block">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
#test1 { color: rgb(0, 128, 0); }
</style>

<style type="">
#test2 { color: rgb(0, 128, 0); }
</style>

<style type="TEXT/CsS">
#test3 { color: rgb(0, 128, 0); }
</style>

<style type=" text/css ">
#test4 { color: rgb(0, 128, 0); }
</style>

<style type="text/css; charset=utf-8">
#test5 { color: rgb(0, 128, 0); }
</style>

<body>

<div id="test1"></div>
<div id="test2"></div>
<div id="test3"></div>
<div id="test4"></div>
<div id="test5"></div>

<script>
"use strict";

test(() => {
  assertApplied("test1");
}, "With no type attribute, the style should apply");

test(() => {
  assertApplied("test2");
}, "With an empty type attribute, the style should apply");

test(() => {
  assertApplied("test3");
}, "With a mixed-case type attribute, the style should apply");

test(() => {
  assertNotApplied("test4");
}, "With a whitespace-surrounded type attribute, the style should not apply");

test(() => {
  assertNotApplied("test5");
}, "With a charset parameter in the type attribute, the style should not apply");

function getColor(id) {
  return window.getComputedStyle(document.getElementById(id)).color;
}

function assertApplied(id) {
  assert_equals(getColor(id), "rgb(0, 128, 0)");
}

function assertNotApplied(id) {
  assert_not_equals(getColor(id), "rgb(0, 128, 0)");
}
</script>