Check in codegen test expectations.

test/codegen/expect/language/function_subtype_top_level1_test.js

Index: test/codegen/expect/language/function_subtype_top_level1_test.js
diff --git a/test/codegen/expect/language/function_subtype_top_level1_test.js b/test/codegen/expect/language/function_subtype_top_level1_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..710126d7fdcf0a4f8b30689a0eb1dbe834e7ce80
--- /dev/null
+++ b/test/codegen/expect/language/function_subtype_top_level1_test.js
@@ -0,0 +1,92 @@
+dart_library.library('language/function_subtype_top_level1_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__function_subtype_top_level1_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const function_subtype_top_level1_test = Object.create(null);
+  let Foo = () => (Foo = dart.constFn(function_subtype_top_level1_test.Foo$()))();
+  let Bar = () => (Bar = dart.constFn(function_subtype_top_level1_test.Bar$()))();
+  let Baz = () => (Baz = dart.constFn(function_subtype_top_level1_test.Baz$()))();
+  let Boz = () => (Boz = dart.constFn(function_subtype_top_level1_test.Boz$()))();
+  let C = () => (C = dart.constFn(function_subtype_top_level1_test.C$()))();
+  let COfbool = () => (COfbool = dart.constFn(function_subtype_top_level1_test.C$(core.bool)))();
+  let COfint = () => (COfint = dart.constFn(function_subtype_top_level1_test.C$(core.int)))();
+  let bool__Toint = () => (bool__Toint = dart.constFn(dart.definiteFunctionType(core.int, [core.bool], [core.String])))();
+  let bool__Toint$ = () => (bool__Toint$ = dart.constFn(dart.definiteFunctionType(core.int, [core.bool], {b: core.String})))();
+  let bool__Toint$0 = () => (bool__Toint$0 = dart.constFn(dart.definiteFunctionType(core.int, [core.bool], {b: core.int})))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  function_subtype_top_level1_test.Foo$ = dart.generic(T => {
+    const Foo = dart.typedef('Foo', () => dart.functionType(core.int, [T], [core.String]));
+    return Foo;
+  });
+  function_subtype_top_level1_test.Foo = Foo();
+  function_subtype_top_level1_test.Bar$ = dart.generic(T => {
+    const Bar = dart.typedef('Bar', () => dart.functionType(core.int, [T], [core.String]));
+    return Bar;
+  });
+  function_subtype_top_level1_test.Bar = Bar();
+  function_subtype_top_level1_test.Baz$ = dart.generic(T => {
+    const Baz = dart.typedef('Baz', () => dart.functionType(core.int, [T], {b: core.String}));
+    return Baz;
+  });
+  function_subtype_top_level1_test.Baz = Baz();
+  function_subtype_top_level1_test.Boz$ = dart.generic(T => {
+    const Boz = dart.typedef('Boz', () => dart.functionType(core.int, [T]));
+    return Boz;
+  });
+  function_subtype_top_level1_test.Boz = Boz();
+  function_subtype_top_level1_test.foo = function(a, b) {
+    if (b === void 0) b = null;
+    return null;
+  };
+  dart.fn(function_subtype_top_level1_test.foo, bool__Toint());
+  function_subtype_top_level1_test.baz = function(a, opts) {
+    let b = opts && 'b' in opts ? opts.b : null;
+    return null;
+  };
+  dart.fn(function_subtype_top_level1_test.baz, bool__Toint$());
+  function_subtype_top_level1_test.boz = function(a, opts) {
+    let b = opts && 'b' in opts ? opts.b : null;
+    return null;
+  };
+  dart.fn(function_subtype_top_level1_test.boz, bool__Toint$0());
+  function_subtype_top_level1_test.C$ = dart.generic(T => {
+    let FooOfT = () => (FooOfT = dart.constFn(function_subtype_top_level1_test.Foo$(T)))();
+    let BazOfT = () => (BazOfT = dart.constFn(function_subtype_top_level1_test.Baz$(T)))();
+    let BozOfT = () => (BozOfT = dart.constFn(function_subtype_top_level1_test.Boz$(T)))();
+    class C extends core.Object {
+      test(nameOfT, expectedResult) {
+        expect$.Expect.equals(expectedResult, FooOfT().is(function_subtype_top_level1_test.foo), dart.str`foo is Foo<${nameOfT}>`);
+        expect$.Expect.equals(expectedResult, FooOfT().is(function_subtype_top_level1_test.foo), dart.str`foo is Bar<${nameOfT}>`);
+        expect$.Expect.isFalse(BazOfT().is(function_subtype_top_level1_test.foo), dart.str`foo is Baz<${nameOfT}>`);
+        expect$.Expect.equals(expectedResult, BozOfT().is(function_subtype_top_level1_test.foo), dart.str`foo is Boz<${nameOfT}>`);
+        expect$.Expect.isFalse(FooOfT().is(function_subtype_top_level1_test.baz), dart.str`foo is Foo<${nameOfT}>`);
+        expect$.Expect.isFalse(FooOfT().is(function_subtype_top_level1_test.baz), dart.str`foo is Bar<${nameOfT}>`);
+        expect$.Expect.equals(expectedResult, BazOfT().is(function_subtype_top_level1_test.baz), dart.str`foo is Baz<${nameOfT}>`);
+        expect$.Expect.equals(expectedResult, BozOfT().is(function_subtype_top_level1_test.baz), dart.str`foo is Boz<${nameOfT}>`);
+        expect$.Expect.isFalse(FooOfT().is(function_subtype_top_level1_test.boz), dart.str`foo is Foo<${nameOfT}>`);
+        expect$.Expect.isFalse(FooOfT().is(function_subtype_top_level1_test.boz), dart.str`foo is Bar<${nameOfT}>`);
+        expect$.Expect.isFalse(BazOfT().is(function_subtype_top_level1_test.boz), dart.str`foo is Baz<${nameOfT}>`);
+        expect$.Expect.equals(expectedResult, BozOfT().is(function_subtype_top_level1_test.boz), dart.str`foo is Boz<${nameOfT}>`);
+      }
+    }
+    dart.addTypeTests(C);
+    dart.setSignature(C, {
+      methods: () => ({test: dart.definiteFunctionType(dart.void, [core.String, core.bool])})
+    });
+    return C;
+  });
+  function_subtype_top_level1_test.C = C();
+  function_subtype_top_level1_test.main = function() {
+    new (COfbool())().test('bool', true);
+    new (COfint())().test('int', false);
+    new function_subtype_top_level1_test.C().test('dynamic', true);
+  };
+  dart.fn(function_subtype_top_level1_test.main, VoidTodynamic());
+  // Exports:
+  exports.function_subtype_top_level1_test = function_subtype_top_level1_test;
+});