Check in codegen test expectations.

test/codegen/expect/language/async_this_bound_test.js

Index: test/codegen/expect/language/async_this_bound_test.js
diff --git a/test/codegen/expect/language/async_this_bound_test.js b/test/codegen/expect/language/async_this_bound_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..36ac9cda8540686fa9612659a2f57084f1d41fcf
--- /dev/null
+++ b/test/codegen/expect/language/async_this_bound_test.js
@@ -0,0 +1,90 @@
+dart_library.library('language/async_this_bound_test', null, /* Imports */[
+  'dart_sdk',
+  'expect',
+  'async_helper'
+], function load__async_this_bound_test(exports, dart_sdk, expect, async_helper) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const async_helper$ = async_helper.async_helper;
+  const async_this_bound_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let dynamicToint = () => (dynamicToint = dart.constFn(dart.definiteFunctionType(core.int, [dart.dynamic])))();
+  let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  async_this_bound_test.A = class A extends core.Object {
+    new() {
+      this.a = -1;
+    }
+    foo(ignored, val) {
+      expect$.Expect.equals(val, this.a);
+    }
+  };
+  dart.setSignature(async_this_bound_test.A, {
+    methods: () => ({foo: dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])})
+  });
+  async_this_bound_test.testA = function() {
+    return dart.async(function*() {
+      let a = new async_this_bound_test.A();
+      a.foo(yield false, -1);
+      a.a = 0;
+      a.foo(yield false, 0);
+    }, dart.dynamic);
+  };
+  dart.fn(async_this_bound_test.testA, VoidTodynamic());
+  async_this_bound_test.confuse = function(x) {
+    return x;
+  };
+  dart.fn(async_this_bound_test.confuse, dynamicTodynamic());
+  async_this_bound_test.B = class B extends core.Object {
+    new(f) {
+      this.f = f;
+      this.b = 10;
+    }
+    bar(x) {
+      return this.b;
+    }
+  };
+  dart.setSignature(async_this_bound_test.B, {
+    constructors: () => ({new: dart.definiteFunctionType(async_this_bound_test.B, [dart.dynamic])}),
+    methods: () => ({bar: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  async_this_bound_test.foo = function(x) {
+    return 499;
+  };
+  dart.fn(async_this_bound_test.foo, dynamicTodynamic());
+  async_this_bound_test.bar = function(x) {
+    return 42;
+  };
+  dart.fn(async_this_bound_test.bar, dynamicTodynamic());
+  async_this_bound_test.change = function(x) {
+    dart.dput(x, 'f', dart.fn(x => 99, dynamicToint()));
+  };
+  dart.fn(async_this_bound_test.change, dynamicTodynamic());
+  async_this_bound_test.testB = function() {
+    return dart.async(function*() {
+      let b = async_this_bound_test.confuse(new async_this_bound_test.B(async_this_bound_test.foo));
+      expect$.Expect.equals(99, dart.dsend(b, 'f', yield async_this_bound_test.change(b)));
+      let b2 = async_this_bound_test.confuse(new async_this_bound_test.B(async_this_bound_test.bar));
+      expect$.Expect.equals(10, dart.dsend(b2, 'f', yield dart.dput(b2, 'f', dart.dload(b2, 'bar'))));
+    }, dart.dynamic);
+  };
+  dart.fn(async_this_bound_test.testB, VoidTodynamic());
+  async_this_bound_test.test = function() {
+    return dart.async(function*() {
+      yield async_this_bound_test.testA();
+      yield async_this_bound_test.testB();
+    }, dart.dynamic);
+  };
+  dart.fn(async_this_bound_test.test, VoidTodynamic());
+  async_this_bound_test.main = function() {
+    async_helper$.asyncStart();
+    dart.dsend(async_this_bound_test.test(), 'then', dart.fn(_ => async_helper$.asyncEnd(), dynamicTovoid()));
+  };
+  dart.fn(async_this_bound_test.main, VoidTovoid());
+  // Exports:
+  exports.async_this_bound_test = async_this_bound_test;
+});