mozilla-central/js/xpconnect/tests/mochitest/test_private_field_dom.html (file symbol)

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<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<title>Test for Bug ????</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<iframe id="ifr"></iframe>
</head>
<body>
<p id="display"></p>
<div id="test_contents">
<!-- Extracted from nsHTMLTagList.h -->
<applet></applet>
<area></area>
<audio></audio>
<base>
</base>
<bgsound></bgsound>
<blockquote></blockquote>
<body></body>
<br></br>
<button></button>
<canvas></canvas>
<caption></caption>
<col>
</col>
<colgroup></colgroup>
<data></data>
<datalist></datalist>
<del></del>
<details></details>
<dialog></dialog>
<dir></dir>
<div></div>
<dl></dl>
<embed></embed>
<fieldset></fieldset>
<font></font>
<form></form>
<frame></frame>
<frameset></frameset>
<h1></h1>
<h2></h2>
<h3></h3>
<h4></h4>
<h5></h5>
<h6></h6>
<head></head>
<hr>
</hr>
<html>
</html>
<iframe></iframe>
<img></img>
<input></input>
<ins></ins>
<keygen></keygen>
<label></label>
<legend></legend>
<li></li>
<link>
</link>
<listing></listing>
<map></map>
<marquee></marquee>
<menu></menu>
<menuitem>
</menuitem>
<meta>
</meta>
<meter></meter>
<multicol></multicol>
<object></object>
<ol></ol>
<optgroup></optgroup>
<option></option>
<output></output>
<p></p>
<param>
</param>
<picture></picture>
<pre></pre>
<progress></progress>
<q></q>
<script></script>
<select></select>
<slot></slot>
<source>
</source>
<span></span>
<style></style>
<summary></summary>
<table></table>
<tbody></tbody>
<td></td>
<textarea></textarea>
<tfoot></tfoot>
<th></th>
<thead></thead>
<template></template>
<time></time>
<title></title>
<tr></tr>
<track>
</track>
<ul></ul>
<video></video>
<xmp></xmp>
</div>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
info("running")
// Because private fields may not be enabled, we construct A via the below eval of an IFFE,
// and return early if it syntax errors.
var A = undefined;
try {
A = eval(`(function(){
class Base {
constructor(o) {
return o;
}
}
class A extends Base {
#x = 1;
static g(o) {
return o.#x;
}
static s(o, v) {
o.#x = v;
}
}
return A;
})();`);
} catch (e) {
is(e instanceof SyntaxError, true, "Threw Syntax Error, Private Fields Not Enabled");
is(/private fields are not currently supported/.test(e.message), true, "correct message");
}
if (A instanceof Function) {
function assertThrewInstance(f, error) {
var threw = true;
try {
f();
threw = false;
} catch (e) {
// info("Caught " + e.name);
is(e instanceof error, true, "Correct Error thrown");
}
is(threw, true, "Error was thrown");
}
function testNode(node) {
info("Testing node " + node.nodeName);
assertThrewInstance(() => A.g(node), TypeError);
assertThrewInstance(() => A.s(node, 'node'), TypeError);
// info("Stamping Node");
new A(node);
// info("Asserting read");
is(A.g(node), 1, "correct value read");
// info("Setting");
A.s(node, 'node');
// info("Verifing setter set the value");
is(A.g(node), 'node', "updated value read");
// info("Verifying we cannot double-init");
assertThrewInstance(() => new A(node), TypeError);
}
function testNodeRecursive(node) {
testNode(node);
for (c of node.children) {
testNodeRecursive(c)
}
}
const test_contents = document.getElementById('test_contents');
testNodeRecursive(test_contents);
info("Checking Window");
// Window itself isn't allowed to host private fields, because it's
// a cross-origin object
assertThrewInstance(() => A.g(window), TypeError)
info("Checking Window Prototype Chain")
// However, it's prototype chain can.
w = Object.getPrototypeOf(window);
while (w) {
testNode(w);
w = Object.getPrototypeOf(w);
}
info("Test Document")
testNode(document);
info("Test CSSRuleList")
testNode(document.styleSheets[0].cssRules)
info("Test DOMTokenList")
const div = document.createElement('div');
testNode(div.classList);
}
SimpleTest.finish();
</script>
</body>
</html>