Check in codegen test expectations.

test/codegen/expect/language/first_class_types_test.js

Index: test/codegen/expect/language/first_class_types_test.js
diff --git a/test/codegen/expect/language/first_class_types_test.js b/test/codegen/expect/language/first_class_types_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..7ee96e0ef448c95b80f8c71d5e05021adb1081cb
--- /dev/null
+++ b/test/codegen/expect/language/first_class_types_test.js
@@ -0,0 +1,59 @@
+dart_library.library('language/first_class_types_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__first_class_types_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 first_class_types_test = Object.create(null);
+  let C = () => (C = dart.constFn(first_class_types_test.C$()))();
+  let COfint = () => (COfint = dart.constFn(first_class_types_test.C$(core.int)))();
+  let COfnum = () => (COfnum = dart.constFn(first_class_types_test.C$(core.num)))();
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let ListOfnum = () => (ListOfnum = dart.constFn(core.List$(core.num)))();
+  let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  first_class_types_test.C$ = dart.generic(T => {
+    class C extends core.Object {}
+    dart.addTypeTests(C);
+    return C;
+  });
+  first_class_types_test.C = C();
+  first_class_types_test.sameType = function(a, b) {
+    expect$.Expect.equals(dart.runtimeType(a), dart.runtimeType(b));
+  };
+  dart.fn(first_class_types_test.sameType, dynamicAnddynamicTodynamic());
+  first_class_types_test.differentType = function(a, b) {
+    expect$.Expect.isFalse(dart.equals(dart.runtimeType(a), dart.runtimeType(b)));
+  };
+  dart.fn(first_class_types_test.differentType, dynamicAnddynamicTodynamic());
+  first_class_types_test.main = function() {
+    let v1 = new (COfint())();
+    let v2 = new (COfint())();
+    first_class_types_test.sameType(v1, v2);
+    let v3 = new (COfnum())();
+    first_class_types_test.differentType(v1, v3);
+    let i = 1;
+    let s = 'string';
+    let d = 3.14;
+    let b = true;
+    first_class_types_test.sameType(2, i);
+    first_class_types_test.sameType('hest', s);
+    first_class_types_test.sameType(1.2, d);
+    first_class_types_test.sameType(false, b);
+    let l = JSArrayOfint().of([1, 2, 3]);
+    let m = dart.map({a: 1, b: 2});
+    first_class_types_test.sameType([], l);
+    first_class_types_test.sameType(dart.map(), m);
+    first_class_types_test.sameType(ListOfint().new(), ListOfint().new());
+    first_class_types_test.differentType(ListOfint().new(), ListOfnum().new());
+    first_class_types_test.differentType(ListOfint().new(), core.List.new());
+  };
+  dart.fn(first_class_types_test.main, VoidTodynamic());
+  // Exports:
+  exports.first_class_types_test = first_class_types_test;
+});