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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=783129
-->
<head>
<title>Test for customElements.define</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=783129">Bug 783129</a>
<div>
<x-unresolved id="unresolved"></x-unresolved>
</div>
<script>
function testDefineExtend(tag, extend, definition, expectException) {
try {
customElements.define(tag, definition, { extends: extend });
ok(!expectException, "Defined " + tag + " extending " + extend + ".");
} catch (ex) {
ok(expectException, "Did not define " + tag + " extending " + extend + ".");
}
}
function testDefineSimple(tag, definition, expectException) {
try {
customElements.define(tag, definition);
ok(!expectException, "Defined " + tag + " extending HTMLElement.");
} catch (ex) {
ok(expectException, "Did not define " + tag + " extending HTMLElement.");
}
}
function startTest() {
// Test defining some simple definition.
testDefineSimple("x-html-obj-elem", class extends HTMLElement {}, false);
testDefineSimple("x-html-obj-p", class extends HTMLParagraphElement {}, false);
// Make sure the prototype on unresolved elements is HTMLElement not HTMLUnknownElement.
var unresolved = document.getElementById("unresolved");
is(unresolved.__proto__, HTMLElement.prototype, "Unresolved custom elements should have HTMLElement as prototype.");
var anotherUnresolved = document.createElement("maybe-custom-element");
is(anotherUnresolved.__proto__, HTMLElement.prototype, "Unresolved custom elements should have HTMLElement as prototype.");
// Test defining some invalid definition.
testDefineSimple("x-invalid-number", 42, true);
testDefineSimple("x-invalid-boolean", false, true);
testDefineSimple("x-invalid-float", 1.0, true);
// Test invalid custom element names.
testDefineSimple("invalid", class extends HTMLElement {}, true);
testDefineSimple("annotation-xml", class extends HTMLElement {}, true);
testDefineSimple("color-profile", class extends HTMLElement {}, true);
testDefineSimple("font-face", class extends HTMLElement {}, true);
testDefineSimple("font-face-src", class extends HTMLElement {}, true);
testDefineSimple("font-face-uri", class extends HTMLElement {}, true);
testDefineSimple("font-face-format", class extends HTMLElement {}, true);
testDefineSimple("font-face-name", class extends HTMLElement {}, true);
testDefineSimple("missing-glyph", class extends HTMLElement {}, true);
// Test defining elements that extend from an existing element.
testDefineExtend("x-extend-span", "span", class extends HTMLElement {}, false);
testDefineExtend("x-extend-span-caps", "SPAN", class extends HTMLElement {}, true);
// Test defining elements that extend from a non-existing element.
testDefineExtend("x-extend-span-nonexist", "nonexisting", class extends HTMLElement {}, true);
// Test registration with duplicate type.
testDefineSimple("x-dupe-me", class extends HTMLElement {}, false);
testDefineSimple("x-dupe-me", class extends HTMLElement {}, true);
testDefineSimple("X-DUPE-ME", class extends HTMLElement {}, true);
testDefineExtend("x-dupe-me", "span", class extends HTMLElement {}, true);
// customElements.define with extended type.
class ExtendButton extends HTMLButtonElement {};
customElements.define("x-extended-button", ExtendButton, { extends: "button" });
var extendedButton = document.createElement("button", {is: "x-extended-button"});
is(extendedButton.tagName, "BUTTON", "Created element should have local name of BUTTON");
is(extendedButton.__proto__, ExtendButton.prototype, "Created element should have the prototype of the extended type.");
is(extendedButton.getAttribute("is"), null, "The |is| attribute of the created element should not be the extended type.");
is(extendedButton.type, "submit", "Created element should be a button with type of \"submit\"");
// Custom element constructor.
var constructedButton = new ExtendButton();
is(constructedButton.tagName, "BUTTON", "Created element should have local name of BUTTON");
is(constructedButton.__proto__, ExtendButton.prototype, "Created element should have the prototype of the extended type.");
// Try creating an element with a custom element name, but not in the html namespace.
class XInHTMLNamespace extends HTMLElement {};
customElements.define("x-in-html-namespace", XInHTMLNamespace);
var wrongNamespaceElem = document.createElementNS("http://www.w3.org/2000/svg", "x-in-html-namespace");
isnot(wrongNamespaceElem.__proto__, XInHTMLNamespace.prototype, "Definition for element in html namespace should not apply to SVG elements.");
var div = document.createElement("div");
div.appendChild(extendedButton);
is(div.innerHTML, '<button is="x-extended-button"></button>', "'is value' should be serialized.");
const de = SpecialPowers.Ci.nsIDocumentEncoder;
var htmlencoder = SpecialPowers.Cu.createDocumentEncoder("text/html");
htmlencoder.init(document, "text/html", de.OutputLFLineBreak);
htmlencoder.setCharset("UTF-8");
htmlencoder.setContainerNode(div);
is(htmlencoder.encodeToString(), '<button is="x-extended-button"></button>',
"'is value' should be serialized (html).");
var xhtmlencoder = SpecialPowers.Cu.createDocumentEncoder("application/xhtml+xml");
xhtmlencoder.init(document, "application/xhtml+xml", de.OutputLFLineBreak);
xhtmlencoder.setCharset("UTF-8");
xhtmlencoder.setContainerNode(div);
is(xhtmlencoder.encodeToString(), '<button is="x-extended-button" xmlns="http://www.w3.org/1999/xhtml"></button>',
"'is value' should be serialized (xhtml).");
var xmlencoder = SpecialPowers.Cu.createDocumentEncoder("text/xml");
xmlencoder.init(document, "text/xml", de.OutputLFLineBreak);
xmlencoder.setCharset("UTF-8");
xmlencoder.setContainerNode(div);
is(xmlencoder.encodeToString(), '<button is="x-extended-button" xmlns="http://www.w3.org/1999/xhtml"></button>',
"'is value' should be serialized (xml).");
}
startTest();
</script>
</body>
</html>
|
