Check in codegen test expectations.

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

Index: test/codegen/expect/lib/html/location_test.js
diff --git a/test/codegen/expect/lib/html/location_test.js b/test/codegen/expect/lib/html/location_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..e1302eeb633185e26164ce8670e4c75d671e7eb9
--- /dev/null
+++ b/test/codegen/expect/lib/html/location_test.js
@@ -0,0 +1,40 @@
+dart_library.library('lib/html/location_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__location_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 location_test = Object.create(null);
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  location_test.main = function() {
+    html_config.useHtmlConfiguration();
+    let isLocation = src__matcher__core_matchers.predicate(dart.fn(x => html.Location.is(x), dynamicTobool()), 'is a Location');
+    unittest$.test('location hash', dart.fn(() => {
+      let location = html.window[dartx.location];
+      src__matcher__expect.expect(location, isLocation);
+      location[dartx.hash] = 'hello';
+      let h = location[dartx.hash];
+      src__matcher__expect.expect(h, '#hello');
+    }, VoidTodynamic()));
+    unittest$.test('location.origin', dart.fn(() => {
+      let origin = html.window[dartx.location][dartx.origin];
+      let uri = core.Uri.parse(html.window[dartx.location][dartx.href]);
+      let reconstructedOrigin = dart.str`${uri.scheme}://${uri.host}`;
+      if (uri.port != 0) {
+        reconstructedOrigin = dart.str`${reconstructedOrigin}:${uri.port}`;
+      }
+      src__matcher__expect.expect(origin, reconstructedOrigin);
+    }, VoidTodynamic()));
+  };
+  dart.fn(location_test.main, VoidTodynamic());
+  // Exports:
+  exports.location_test = location_test;
+});