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dom: implement document.createDocumentFragment

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This commit is contained in:
Pierre Tachoire
2023-12-01 14:43:06 +01:00
parent 555bce9f0b
commit 1bcedead56
7 changed files with 152 additions and 0 deletions
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22
tests/wpt/dom/nodes/DocumentFragment-constructor.html Normal file
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<!DOCTYPE html>
<meta charset="utf-8">
<title>DocumentFragment constructor</title>
<link rel="help" href="https://dom.spec.whatwg.org/#dom-documentfragment-documentfragment">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
test(() => {
const fragment = new DocumentFragment();
assert_equals(fragment.ownerDocument, document);
}, "Sets the owner document to the current global object associated document");
test(() => {
const fragment = new DocumentFragment();
const text = document.createTextNode("");
fragment.appendChild(text);
assert_equals(fragment.firstChild, text);
}, "Create a valid document DocumentFragment");
</script>

62
tests/wpt/dom/nodes/DocumentFragment-getElementById.html Normal file
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<!DOCTYPE html>
<meta charset="utf-8">
<title>DocumentFragment.prototype.getElementById</title>
<link rel="help" href="https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid">
<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<template>
<div id="bar">
<span id="foo" data-yes></span>
</div>
<div id="foo">
<span id="foo"></span>
<ul id="bar">
<li id="foo"></li>
</ul>
</div>
</template>
<script>
"use strict";
test(() => {
assert_equals(typeof DocumentFragment.prototype.getElementById, "function", "It must exist on the prototype");
assert_equals(typeof document.createDocumentFragment().getElementById, "function", "It must exist on an instance");
}, "The method must exist");
test(() => {
assert_equals(document.createDocumentFragment().getElementById("foo"), null);
assert_equals(document.createDocumentFragment().getElementById(""), null);
}, "It must return null when there are no matches");
test(() => {
const frag = document.createDocumentFragment();
frag.appendChild(document.createElement("div"));
frag.appendChild(document.createElement("span"));
frag.childNodes[0].id = "foo";
frag.childNodes[1].id = "foo";
assert_equals(frag.getElementById("foo"), frag.childNodes[0]);
}, "It must return the first element when there are matches");
test(() => {
const frag = document.createDocumentFragment();
frag.appendChild(document.createElement("div"));
frag.childNodes[0].setAttribute("id", "");
assert_equals(
frag.getElementById(""),
null,
"Even if there is an element with an empty-string ID attribute, it must not be returned"
);
}, "Empty string ID values");
test(() => {
const frag = document.querySelector("template").content;
assert_true(frag.getElementById("foo").hasAttribute("data-yes"));
}, "It must return the first element when there are matches, using a template");
</script>

24
tests/wpt/dom/nodes/DocumentFragment-querySelectorAll-after-modification.html Normal file
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<!DOCTYPE html>
<meta charset="utf-8">
<title>querySelectorAll should still work on DocumentFragments after they are modified</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<!-- Regression test for https://github.com/jsdom/jsdom/issues/2290 -->
<script>
"use strict";
setup({ single_test: true });
const frag = document.createDocumentFragment();
frag.appendChild(document.createElement("div"));
assert_array_equals(frag.querySelectorAll("img"), [], "before modification");
frag.appendChild(document.createElement("div"));
// If the bug is present, this will throw.
assert_array_equals(frag.querySelectorAll("img"), [], "after modification");
done();
</script>