<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=783129 --> <head> <title>Test for document.registerElement using custom prototype</title> <script type="text/javascript" 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 testRegisterExtend(tag, extend, proto, expectException) { try { document.registerElement(tag, { prototype: proto, extends: extend }); ok(!expectException, "Registered " + tag + " extending " + extend + " containing " + proto + " in proto chain."); } catch (ex) { ok(expectException, "Did not register " + tag + " extending " + extend + " containing " + proto + " in proto chain."); } } function testRegisterSimple(tag, proto, expectException) { try { document.registerElement(tag, { prototype: proto }); ok(!expectException, "Registered " + tag + " containing " + proto + " in proto chain."); } catch (ex) { ok(expectException, "Did not register " + tag + " containing " + proto + " in proto chain."); } } function startTest() { // Test registering some simple prototypes. testRegisterSimple("x-html-obj-elem", Object.create(HTMLElement.prototype), false); testRegisterSimple("x-html-obj-p", Object.create(HTMLParagraphElement.prototype), false); // If prototype is an interface prototype object for any interface object, // registration will throw. testRegisterSimple("x-html-elem", HTMLElement.prototype, true); testRegisterSimple("x-html-select", HTMLSelectElement.prototype, true); testRegisterSimple("some-elem", HTMLElement.prototype, true); testRegisterSimple("x-html-p", HTMLParagraphElement.prototype, true); testRegisterSimple("x-html-span", HTMLSpanElement.prototype, true); // 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."); // Registering without a prototype should automatically create one inheriting from HTMLElement. testRegisterSimple("x-elem-no-proto", null, false); var simpleProto = Object.create(HTMLElement.prototype); testRegisterSimple("x-elem-simple-proto", simpleProto, false); // Test registering some invalid prototypes. testRegisterSimple("x-invalid-number", 42, true); testRegisterSimple("x-invalid-boolean", false, true); testRegisterSimple("x-invalid-float", 1.0, true); // A prototype with a non-configurable "constructor" property must throw. var nonConfigProto = Object.create(HTMLElement.prototype, { constructor: { configurable: false, value: function() {} } }); testRegisterSimple("x-non-config-proto", nonConfigProto, true); // Test invalid custom element names. testRegisterSimple("invalid", Object.create(HTMLElement.prototype), true); testRegisterSimple("annotation-xml", Object.create(HTMLElement.prototype), true); testRegisterSimple("color-profile", Object.create(HTMLElement.prototype), true); testRegisterSimple("font-face", Object.create(HTMLElement.prototype), true); testRegisterSimple("font-face-src", Object.create(HTMLElement.prototype), true); testRegisterSimple("font-face-uri", Object.create(HTMLElement.prototype), true); testRegisterSimple("font-face-format", Object.create(HTMLElement.prototype), true); testRegisterSimple("font-face-name", Object.create(HTMLElement.prototype), true); testRegisterSimple("missing-glyph", Object.create(HTMLElement.prototype), true); // Test registering elements that extend from an existing element. testRegisterExtend("x-extend-span", "span", Object.create(HTMLElement.prototype), false); testRegisterExtend("x-extend-span-caps", "SPAN", Object.create(HTMLElement.prototype), false); // Test registering elements that extend from a non-existing element. testRegisterExtend("x-extend-span-nonexist", "nonexisting", Object.create(HTMLElement.prototype), true); // Test registration with duplicate type. testRegisterSimple("x-dupe-me", Object.create(HTMLElement.prototype), false); testRegisterSimple("x-dupe-me", Object.create(HTMLElement.prototype), true); testRegisterSimple("X-DUPE-ME", Object.create(HTMLElement.prototype), true); testRegisterSimple("x-dupe-me", null, true); testRegisterExtend("x-dupe-me", "span", Object.create(HTMLElement.prototype), true); // document.createElement with extended type. var extendedProto = Object.create(HTMLButtonElement.prototype); var buttonConstructor = document.registerElement("x-extended-button", { prototype: extendedProto, 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__, extendedProto, "Created element should have the prototype of the extended type."); is(extendedButton.getAttribute("is"), "x-extended-button", "The |is| attribute of the created element should be the extended type."); is(extendedButton.type, "submit", "Created element should be a button with type of \"submit\""); // document.createElementNS with different namespace than definition. try { var svgButton = document.createElementNS("http://www.w3.org/2000/svg", "button", {is: "x-extended-button"}); ok(false, "An exception should've been thrown"); } catch(err) { is(err.name, "NotFoundError", "A NotFoundError exception should've been thrown"); } // document.createElementNS with no namespace. try { var noNamespaceButton = document.createElementNS("", "button", {is: "x-extended-button"}); ok(false, "An exception should've been thrown"); } catch(err) { is(err.name, "NotFoundError", "A NotFoundError exception should've been thrown"); } // document.createElement with non-existant extended type. try { var normalButton = document.createElement("button", {is: "x-non-existant"}); ok(false, "An exception should've been thrown"); } catch(err) { is(err.name, "NotFoundError", "A NotFoundError exception should've been thrown"); } // document.createElement with exteneded type that does not match with local name of element. try { var normalDiv = document.createElement("div", {is: "x-extended-button"}); ok(false, "An exception should've been thrown"); } catch(err) { is(err.name, "NotFoundError", "A NotFoundError exception should've been thrown"); } // Custom element constructor. var constructedButton = new buttonConstructor(); is(constructedButton.tagName, "BUTTON", "Created element should have local name of BUTTON"); is(constructedButton.__proto__, extendedProto, "Created element should have the prototype of the extended type."); is(constructedButton.getAttribute("is"), "x-extended-button", "The |is| attribute of the created element should be the extended type."); // document.createElement with different namespace than definition for extended element. try { var htmlText = document.createElement("text", {is: "x-extended-text"}); ok(false, "An exception should've been thrown"); } catch(err) { is(err.name, "NotFoundError", "A NotFoundError exception should've been thrown"); } // Try creating an element with a custom element name, but not in the html namespace. var htmlNamespaceProto = Object.create(HTMLElement.prototype); document.registerElement("x-in-html-namespace", { prototype: htmlNamespaceProto }); var wrongNamespaceElem = document.createElementNS("http://www.w3.org/2000/svg", "x-in-html-namespace"); isnot(wrongNamespaceElem.__proto__, htmlNamespaceProto, "Definition for element in html namespace should not apply to SVG elements."); } startTest(); </script> </body> </html>