Port custom element layout tests to Dart

tests/html/custom/document_register_type_extensions_test.dart

Index: tests/html/custom/document_register_type_extensions_test.dart
diff --git a/tests/html/custom/document_register_type_extensions_test.dart b/tests/html/custom/document_register_type_extensions_test.dart
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+++ b/tests/html/custom/document_register_type_extensions_test.dart
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+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library document_register_type_extensions_test;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'dart:html';
+
+class Foo extends HtmlElement {
+  static final tag = 'x-foo';
+  factory Foo() => new Element.tag(tag);
+}
+
+class Bar extends InputElement {
+  static final tag = 'x-bar';
+  factory Bar() => document.$dom_createElement('input', tag);
+}
+
+class Baz extends Foo {
+  static final tag = 'x-baz';
+  factory Baz() => new Element.tag(tag);
+}
+
+class Qux extends Bar {
+  static final tag = 'x-qux';
+  factory Qux() => document.$dom_createElement('input', tag);
+}
+
+class FooBad extends DivElement {
+  static final tag = 'x-foo';
+  factory FooBad() => document.$dom_createElement('div', tag);
+}
+
+main() {
+  useHtmlConfiguration();
+
+  // Adapted from Blink's fast/dom/custom/document-register-type-extension test.
+
+  var testForm = new FormElement()..id = 'testForm';
+  document.body.append(testForm);
+
+  var isFormElement = (element) {
+    testForm.append(element);
+    return element.form == testForm;
+  };
+
+  test('construction', () {
+    document.register(Foo.tag, Foo);
+    document.register(Bar.tag, Bar);
+    document.register(Baz.tag, Baz);
+    document.register(Qux.tag, Qux);
+
+    expect(() => document.register(FooBad.tag, Foo), throws);
+
+    // Constructors
+
+    var fooNewed = new Foo();
+    var fooOuterHtml = "<x-foo></x-foo>";
+    expect(fooNewed.outerHtml, fooOuterHtml);
+    expect(fooNewed is Foo, isTrue);
+    expect(fooNewed is HtmlElement, isTrue);
+    expect(fooNewed is UnknownElement, isFalse);
+
+    var barNewed = new Bar();
+    var barOuterHtml = '<input is="x-bar"></input>';
+    expect(barNewed.outerHtml, barOuterHtml);
+    expect(barNewed is Bar, isTrue);
+    expect(barNewed is InputElement, isTrue);
+    expect(isFormElement(barNewed), isTrue);
+
+    var bazNewed = new Baz();
+    var bazOuterHtml = "<x-baz></x-baz>";
+    expect(bazNewed.outerHtml, bazOuterHtml);
+    expect(bazNewed is Baz, isTrue);
+    expect(bazNewed is HtmlElement, isTrue);
+    expect(bazNewed is UnknownElement, isFalse);
+
+    var quxNewed = new Qux();
+    var quxOuterHtml = '<input is="x-qux"></input>';
+    expect(quxNewed.outerHtml, quxOuterHtml);
+    expect(quxNewed is Qux, isTrue);
+    expect(quxNewed is InputElement, isTrue);
+    expect(isFormElement(quxNewed), isTrue);
+
+    // new Element.tag
+
+    var fooCreated = new Element.tag('x-foo');
+    expect(fooCreated.outerHtml, fooOuterHtml);
+    expect(fooCreated is Foo, isTrue);
+
+    var barCreated = new Element.tag('x-bar');
+    expect(barCreated.outerHtml, "<x-bar></x-bar>");
+    expect(barCreated is Bar, isFalse);
+    expect(barCreated is UnknownElement, isFalse);
+    expect(barCreated is HtmlElement, isTrue);
+
+    var bazCreated = new Element.tag('x-baz');
+    expect(bazCreated.outerHtml, bazOuterHtml);
+    expect(bazCreated is Baz, isTrue);
+    expect(bazCreated is UnknownElement, isFalse);
+
+    var quxCreated = new Element.tag('x-qux');
+    expect(quxCreated.outerHtml, "<x-qux></x-qux>");
+    expect(quxCreated is Qux, isFalse);
+    expect(quxCreated is UnknownElement, isFalse);
+    expect(quxCreated is HtmlElement, isTrue);
+
+    // create with type extensions
+    // TODO(vsm): How should we expose this?
+
+    var divFooCreated = document.$dom_createElement("div", Foo.tag);
+    expect(divFooCreated.outerHtml, '<div is="x-foo"></div>');
+    expect(divFooCreated is Foo, isFalse);
+    expect(divFooCreated is DivElement, isTrue);
+
+    var inputBarCreated =
+	document.$dom_createElement("input", Bar.tag);
+    expect(inputBarCreated.outerHtml, barOuterHtml);
+    expect(inputBarCreated is Bar, isTrue);
+    expect(inputBarCreated is UnknownElement, isFalse);
+    expect(isFormControl(inputBarCreated), isTrue);
+
+    var divBarCreated = document.$dom_createElement("div", Bar.tag);
+    expect(divBarCreated.outerHtml, '<div is="x-bar"></div>');
+    expect(divBarCreated is Bar, isFalse);
+    expect(divBarCreated is DivElement, isTrue);
+
+    var fooBarCreated =
+	document.$dom_createElement(Foo.tag, Bar.tag);
+    expect(fooBasedCreated.outerHtml, '<x-foo is="x-bar"></x-foo>');
+    expect(fooBarCreated is Foo, isTrue);
+
+    var barFooCreated = document.$dom_createElement(Bar.tag,
+						      Foo.tag);
+    expect(barFooCreated.outerHtml, '<x-bar is="x-foo"></x-bar>');
+    expect(barFooCreated is UnknownElement, isFalse);
+    expect(barFooCreated is HtmlElement, isTrue);
+
+    var fooCreatedNull = document.$dom_createElement(Foo.tag, null);
+    expect(fooCreatedNull.outerHtml, fooOuterHtml);
+    expect(fooCreatedNull is Foo, isTrue);
+
+    var fooCreatedEmpty = document.$dom_createElement(Foo.tag, "");
+    expect(fooCreatedEmpty.outerHtml, fooOuterHtml);
+    expect(fooCreatedEmpty is Foo, isTrue);
+
+    expect(() => document.$dom_createElement('@invalid', 'x-bar'), throws);
+
+    // Create NS with type extensions
+
+    var fooCreatedNS =
+	document.$dom_createElementNS("http://www.w3.org/1999/xhtml",
+				      Foo.tag, null);
+    expect(fooCreatedNS.outerHtml, fooOuterHtml);
+    expect(fooCreatedNS is Foo, isTrue);
+
+    var barCreatedNS =
+	document.$dom_createElementNS("http://www.w3.org/1999/xhtml", "input",
+				      Bar.tag);
+    expect(barCreatedNS.outerHtml, barOuterHtml);
+    expect(barCreatedNS is Bar, isTrue);
+    expect(isFormControl(barCreatedNS), isTrue);
+
+    expect(() =>
+	     document.$dom_createElementNS(
+	         'http://example.com/2013/no-such-namespace',
+		 'xml:lang', 'x-bar'), throws);
+
+    // Parser
+
+    createElementFromHtml(html) {
+	var container = new DivElement()..innerHtml = html;
+	return container.firstChild;
+    }
+
+    var fooParsed = createElementFromHtml('<x-foo>');
+    expect(fooParsed is Foo, isTrue);
+
+    var barParsed = createElementFromHtml('<input is=x-bar>');
+    expect(barParsed is Bar, isTrue);
+    expect(isFormControl(barParsed), isTrue);
+
+    var divFooParsed = createElementFromHtml('<div is=x-foo>');
+    expect(divFooParsed is Foo, isFalse);
+    expect(divFooParsed is DivElement, isTrue);
+
+    var namedBarParsed = createElementFromHtml('<x-bar>');
+    expect(namedBarParsed is Bar, isFalse);
+    expect(namedBarParsed is UnknownElement, isFalse);
+    expect(namedBarParsed is HtmlElement, isTrue);
+
+    var divBarParsed = createElementFromHtml('<div is=x-bar>');
+    expect(divBarParsed is Bar, isFalse);
+    expect(divBarParsed is DivElement, isTrue);
+  });
+}