Check in codegen test expectations.

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

Index: test/codegen/expect/lib/html/notification_test.js
diff --git a/test/codegen/expect/lib/html/notification_test.js b/test/codegen/expect/lib/html/notification_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..13495386b6088d1450828751c532a396de6194ff
--- /dev/null
+++ b/test/codegen/expect/lib/html/notification_test.js
@@ -0,0 +1,49 @@
+dart_library.library('lib/html/notification_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__notification_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__expect = unittest.src__matcher__expect;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const src__matcher__throws_matcher = unittest.src__matcher__throws_matcher;
+  const notification_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  notification_test.main = function() {
+    html_individual_config.useHtmlIndividualConfiguration();
+    unittest$.group('supported_notification', dart.fn(() => {
+      unittest$.test('supported', dart.fn(() => {
+        src__matcher__expect.expect(html.Notification[dartx.supported], true);
+      }, VoidTodynamic()));
+    }, VoidTovoid()));
+    unittest$.group('constructors', dart.fn(() => {
+      unittest$.test('Notification', dart.fn(() => {
+        let expectation = dart.test(html.Notification[dartx.supported]) ? src__matcher__core_matchers.returnsNormally : src__matcher__throws_matcher.throws;
+        src__matcher__expect.expect(dart.fn(() => {
+          let allDefaults = html.Notification.new("Hello world");
+          let allSpecified = html.Notification.new("Deluxe notification", {dir: "rtl", body: 'All parameters set', icon: 'icon.png', tag: 'tag', lang: 'en_US'});
+          src__matcher__expect.expect(html.Notification.is(allDefaults), src__matcher__core_matchers.isTrue);
+          src__matcher__expect.expect(html.Notification.is(allSpecified), src__matcher__core_matchers.isTrue);
+          src__matcher__expect.expect(allDefaults[dartx.title], "Hello world");
+          src__matcher__expect.expect(allSpecified[dartx.title], "Deluxe notification");
+          src__matcher__expect.expect(allSpecified[dartx.dir], "rtl");
+          src__matcher__expect.expect(allSpecified[dartx.body], "All parameters set");
+          let icon = allSpecified[dartx.icon];
+          let tail = core.Uri.parse(icon).pathSegments[dartx.last];
+          src__matcher__expect.expect(tail, "icon.png");
+          src__matcher__expect.expect(allSpecified[dartx.tag], "tag");
+          src__matcher__expect.expect(allSpecified[dartx.lang], "en_US");
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+    }, VoidTovoid()));
+  };
+  dart.fn(notification_test.main, VoidTodynamic());
+  // Exports:
+  exports.notification_test = notification_test;
+});