Check in codegen test expectations.

test/codegen/expect/language/function_type_parameter_test.js

Index: test/codegen/expect/language/function_type_parameter_test.js
diff --git a/test/codegen/expect/language/function_type_parameter_test.js b/test/codegen/expect/language/function_type_parameter_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..b29f17f65bb126e5e81589beecc6cfdd6e285ad4
--- /dev/null
+++ b/test/codegen/expect/language/function_type_parameter_test.js
@@ -0,0 +1,49 @@
+dart_library.library('language/function_type_parameter_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__function_type_parameter_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_type_parameter_test = Object.create(null);
+  let intToString = () => (intToString = dart.constFn(dart.definiteFunctionType(core.String, [core.int])))();
+  let VoidToint = () => (VoidToint = dart.constFn(dart.definiteFunctionType(core.int, [])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  function_type_parameter_test.A = class A extends core.Object {
+    new(f) {
+      this.f = f;
+    }
+    nother(f) {
+      this.f = f;
+    }
+    static SetFunc(fmt) {
+      if (fmt === void 0) fmt = null;
+      function_type_parameter_test.A.func = fmt;
+    }
+  };
+  dart.defineNamedConstructor(function_type_parameter_test.A, 'nother');
+  dart.setSignature(function_type_parameter_test.A, {
+    constructors: () => ({
+      new: dart.definiteFunctionType(function_type_parameter_test.A, [dart.functionType(core.int, [])]),
+      nother: dart.definiteFunctionType(function_type_parameter_test.A, [dart.functionType(core.int, [])])
+    }),
+    statics: () => ({SetFunc: dart.definiteFunctionType(dart.dynamic, [], [dart.functionType(core.String, [core.int])])}),
+    names: ['SetFunc']
+  });
+  function_type_parameter_test.A.func = null;
+  function_type_parameter_test.main = function() {
+    expect$.Expect.equals(null, function_type_parameter_test.A.func);
+    function_type_parameter_test.A.SetFunc(dart.fn(i => dart.str`${i}`, intToString()));
+    expect$.Expect.equals(false, null == function_type_parameter_test.A.func);
+    expect$.Expect.equals("1234", dart.dsend(function_type_parameter_test.A, 'func', 1230 + 4));
+    function_type_parameter_test.A.SetFunc();
+    expect$.Expect.equals(null, function_type_parameter_test.A.func);
+    expect$.Expect.equals(42, dart.dsend(new function_type_parameter_test.A(dart.fn(() => 42, VoidToint())), 'f'));
+    expect$.Expect.equals(42, dart.dsend(new function_type_parameter_test.A.nother(dart.fn(() => 42, VoidToint())), 'f'));
+  };
+  dart.fn(function_type_parameter_test.main, VoidTodynamic());
+  // Exports:
+  exports.function_type_parameter_test = function_type_parameter_test;
+});