Check in codegen test expectations.

test/codegen/expect/corelib/uri_ipv4_test.js

+dart_library.library('corelib/uri_ipv4_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__uri_ipv4_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const uri_ipv4_test = Object.create(null);
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let StringAndListOfintTovoid = () => (StringAndListOfintTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.String, ListOfint()])))();
+  let VoidToListOfint = () => (VoidToListOfint = dart.constFn(dart.definiteFunctionType(ListOfint(), [])))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let StringTovoid = () => (StringTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.String])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  uri_ipv4_test.testParseIPv4Address = function() {
+    function pass(host, out) {
+      expect$.Expect.listEquals(core.Uri.parseIPv4Address(host), out);
+    }
+    dart.fn(pass, StringAndListOfintTovoid());
+    function fail(host) {
+      expect$.Expect.throws(dart.fn(() => core.Uri.parseIPv4Address(host), VoidToListOfint()), dart.fn(e => core.FormatException.is(e), dynamicTobool()));
+    }
+    dart.fn(fail, StringTovoid());
+    pass('127.0.0.1', JSArrayOfint().of([127, 0, 0, 1]));
+    pass('128.0.0.1', JSArrayOfint().of([128, 0, 0, 1]));
+    pass('255.255.255.255', JSArrayOfint().of([255, 255, 255, 255]));
+    pass('0.0.0.0', JSArrayOfint().of([0, 0, 0, 0]));
+    fail('127.0.0.-1');
+    fail('255.255.255.256');
+    fail('0.0.0.0.');
+    fail('0.0.0.0.0');
+    fail('a.0.0.0');
+    fail('0.0..0');
+  };
+  dart.fn(uri_ipv4_test.testParseIPv4Address, VoidTovoid());
+  uri_ipv4_test.main = function() {
+    uri_ipv4_test.testParseIPv4Address();
+  };
+  dart.fn(uri_ipv4_test.main, VoidTovoid());
+  // Exports:
+  exports.uri_ipv4_test = uri_ipv4_test;
+});