Check in codegen test expectations.

test/codegen/expect/lib/html/element_types_constructors2_test.js

Index: test/codegen/expect/lib/html/element_types_constructors2_test.js
diff --git a/test/codegen/expect/lib/html/element_types_constructors2_test.js b/test/codegen/expect/lib/html/element_types_constructors2_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..83cee622a051da70f9ec028249b978cd7c0601b4
--- /dev/null
+++ b/test/codegen/expect/lib/html/element_types_constructors2_test.js
@@ -0,0 +1,54 @@
+dart_library.library('lib/html/element_types_constructors2_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__element_types_constructors2_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_individual_config = unittest.html_individual_config;
+  const unittest$ = unittest.unittest;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const src__matcher__throws_matcher = unittest.src__matcher__throws_matcher;
+  const src__matcher__expect = unittest.src__matcher__expect;
+  const element_types_constructors2_test = Object.create(null);
+  let VoidTobool = () => (VoidTobool = dart.constFn(dart.functionType(core.bool, [])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let StringAndFn__Todynamic = () => (StringAndFn__Todynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [core.String, VoidTobool()], [core.bool])))();
+  let VoidTobool$ = () => (VoidTobool$ = dart.constFn(dart.definiteFunctionType(core.bool, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  element_types_constructors2_test.main = function() {
+    html_individual_config.useHtmlIndividualConfiguration();
+    function check(name, fn, supported) {
+      if (supported === void 0) supported = true;
+      unittest$.test(name, dart.fn(() => {
+        let expectation = dart.test(supported) ? src__matcher__core_matchers.returnsNormally : src__matcher__throws_matcher.throws;
+        src__matcher__expect.expect(dart.fn(() => {
+          src__matcher__expect.expect(fn(), src__matcher__core_matchers.isTrue);
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+    }
+    dart.fn(check, StringAndFn__Todynamic());
+    unittest$.group('constructors', dart.fn(() => {
+      check('fieldset', dart.fn(() => html.FieldSetElement.is(html.FieldSetElement.new()), VoidTobool$()));
+      check('form', dart.fn(() => html.FormElement.is(html.FormElement.new()), VoidTobool$()));
+      check('head', dart.fn(() => html.HeadElement.is(html.HeadElement.new()), VoidTobool$()));
+      check('hr', dart.fn(() => html.HRElement.is(html.HRElement.new()), VoidTobool$()));
+      check('html', dart.fn(() => html.HtmlHtmlElement.is(html.HtmlHtmlElement.new()), VoidTobool$()));
+      check('h1', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h1()), VoidTobool$()));
+      check('h2', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h2()), VoidTobool$()));
+      check('h3', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h3()), VoidTobool$()));
+      check('h4', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h4()), VoidTobool$()));
+      check('h5', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h5()), VoidTobool$()));
+      check('h6', dart.fn(() => html.HeadingElement.is(html.HeadingElement.h6()), VoidTobool$()));
+      check('iframe', dart.fn(() => html.IFrameElement.is(html.IFrameElement.new()), VoidTobool$()));
+      check('img', dart.fn(() => html.ImageElement.is(html.ImageElement.new()), VoidTobool$()));
+      check('input', dart.fn(() => html.InputElement.is(html.InputElement.new()), VoidTobool$()));
+      check('keygen', dart.fn(() => html.KeygenElement.is(html.KeygenElement.new()), VoidTobool$()), html.KeygenElement[dartx.supported]);
+    }, VoidTovoid()));
+  };
+  dart.fn(element_types_constructors2_test.main, VoidTodynamic());
+  // Exports:
+  exports.element_types_constructors2_test = element_types_constructors2_test;
+});