Check in codegen test expectations.

test/codegen/expect/lib/html/element_constructor_1_test.js

+dart_library.library('lib/html/element_constructor_1_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__element_constructor_1_test(exports, dart_sdk, unittest) {
+  'use strict';
+  const core = dart_sdk.core;
+  const html = dart_sdk.html;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const html_config = unittest.html_config;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const unittest$ = unittest.unittest;
+  const src__matcher__expect = unittest.src__matcher__expect;
+  const src__matcher__string_matchers = unittest.src__matcher__string_matchers;
+  const element_constructor_1_test = Object.create(null);
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  element_constructor_1_test.main = function() {
+    html_config.useHtmlConfiguration();
+    let isAnchorElement = src__matcher__core_matchers.predicate(dart.fn(x => html.AnchorElement.is(x), dynamicTobool()), 'is an AnchorElement');
+    let isAreaElement = src__matcher__core_matchers.predicate(dart.fn(x => html.AreaElement.is(x), dynamicTobool()), 'is an AreaElement');
+    let isDivElement = src__matcher__core_matchers.predicate(dart.fn(x => html.DivElement.is(x), dynamicTobool()), 'is a DivElement');
+    let isCanvasElement = src__matcher__core_matchers.predicate(dart.fn(x => html.CanvasElement.is(x), dynamicTobool()), 'is a CanvasElement');
+    let isParagraphElement = src__matcher__core_matchers.predicate(dart.fn(x => html.ParagraphElement.is(x), dynamicTobool()), 'is a ParagraphElement');
+    let isSpanElement = src__matcher__core_matchers.predicate(dart.fn(x => html.SpanElement.is(x), dynamicTobool()), 'is a SpanElement');
+    let isSelectElement = src__matcher__core_matchers.predicate(dart.fn(x => html.SelectElement.is(x), dynamicTobool()), 'is a SelectElement');
+    unittest$.test('anchor1', dart.fn(() => {
+      let e = html.AnchorElement.new();
+      src__matcher__expect.expect(e, isAnchorElement);
+    }, VoidTodynamic()));
+    unittest$.test('anchor2', dart.fn(() => {
+      let e = html.AnchorElement.new({href: '#blah'});
+      src__matcher__expect.expect(e, isAnchorElement);
+      src__matcher__expect.expect(e[dartx.href], src__matcher__string_matchers.endsWith('#blah'));
+    }, VoidTodynamic()));
+    unittest$.test('area', dart.fn(() => {
+      let e = html.AreaElement.new();
+      src__matcher__expect.expect(e, isAreaElement);
+    }, VoidTodynamic()));
+    unittest$.test('div', dart.fn(() => {
+      let e = html.DivElement.new();
+      src__matcher__expect.expect(e, isDivElement);
+    }, VoidTodynamic()));
+    unittest$.test('canvas1', dart.fn(() => {
+      let e = html.CanvasElement.new();
+      src__matcher__expect.expect(e, isCanvasElement);
+    }, VoidTodynamic()));
+    unittest$.test('canvas2', dart.fn(() => {
+      let e = html.CanvasElement.new({height: 100, width: 200});
+      src__matcher__expect.expect(e, isCanvasElement);
+      src__matcher__expect.expect(e[dartx.width], 200);
+      src__matcher__expect.expect(e[dartx.height], 100);
+    }, VoidTodynamic()));
+    unittest$.test('p', dart.fn(() => {
+      let e = html.ParagraphElement.new();
+      src__matcher__expect.expect(e, isParagraphElement);
+    }, VoidTodynamic()));
+    unittest$.test('span', dart.fn(() => {
+      let e = html.SpanElement.new();
+      src__matcher__expect.expect(e, isSpanElement);
+    }, VoidTodynamic()));
+    unittest$.test('select', dart.fn(() => {
+      let e = html.SelectElement.new();
+      src__matcher__expect.expect(e, isSelectElement);
+    }, VoidTodynamic()));
+  };
+  dart.fn(element_constructor_1_test.main, VoidTodynamic());
+  // Exports:
+  exports.element_constructor_1_test = element_constructor_1_test;
+});