Add all dart:html tests from the sdk to test/codegen.

test/codegen/lib/html/history_test.dart

+library HistoryTest;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_individual_config.dart';
+import 'dart:html';
+import 'dart:async';
+
+main() {
+  useHtmlIndividualConfiguration();
+
+  group('supported_state', () {
+    test('supportsState', () {
+      expect(History.supportsState, true);
+    });
+  });
+
+  group('supported_HashChangeEvent', () {
+    test('supported', () {
+      expect(HashChangeEvent.supported, true);
+    });
+  });
+
+  var expectation = History.supportsState ? returnsNormally : throws;
+
+  group('history', () {
+    test('pushState', () {
+      expect(() {
+        window.history.pushState(null, document.title, '?dummy');
+        var length = window.history.length;
+
+        window.history.pushState(null, document.title, '?foo=bar');
+
+        expect(window.location.href.endsWith('foo=bar'), isTrue);
+
+      }, expectation);
+    });
+
+    test('pushState with data', () {
+      expect(() {
+        window.history.pushState({'one' : 1}, document.title, '?dummy');
+        expect(window.history.state, equals({'one' : 1}));
+        window.history.pushState(null, document.title, '?foo=bar');
+
+        expect(window.location.href.endsWith('foo=bar'), isTrue);
+
+      }, expectation);
+    });
+
+    test('back', () {
+      expect(() {
+        window.history.pushState(null, document.title, '?dummy1');
+        window.history.pushState(null, document.title, '?dummy2');
+        var length = window.history.length;
+
+        expect(window.location.href.endsWith('dummy2'), isTrue);
+
+        // Need to wait a frame or two to let the pushState events occur.
+        new Timer(const Duration(milliseconds: 100), expectAsync(() {
+          window.onPopState.first.then(expectAsync((_){
+            expect(window.history.length, length);
+            expect(window.location.href.endsWith('dummy1'), isTrue);
+          }));
+
+          window.history.back();
+        }));
+      }, expectation);
+    });
+
+    test('replaceState', () {
+      expect(() {
+        var length = window.history.length;
+
+        window.history.replaceState(null, document.title, '?foo=baz');
+        expect(window.history.length, length);
+        expect(window.location.href.endsWith('foo=baz'), isTrue);
+      }, expectation);
+    });
+
+    test('popstatevent', () {
+      expect(() {
+        var event = new Event.eventType('PopStateEvent', 'popstate');
+        expect(event is PopStateEvent, true);
+      }, expectation);
+    });
+
+    test('hashchangeevent', () {
+      var expectation = HashChangeEvent.supported ? returnsNormally : throws;
+      expect(() {
+        var event = new HashChangeEvent('change', oldUrl:'old', newUrl: 'new');
+        expect(event is HashChangeEvent, true);
+        expect(event.oldUrl, 'old');
+        expect(event.newUrl, 'new');
+      }, expectation);
+    });
+  });
+}