Check in codegen test expectations.

test/codegen/expect/language/issue10581_test.js

Index: test/codegen/expect/language/issue10581_test.js
diff --git a/test/codegen/expect/language/issue10581_test.js b/test/codegen/expect/language/issue10581_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..40696b614090b9e2d2273cbbef1c2637e3bec5fd
--- /dev/null
+++ b/test/codegen/expect/language/issue10581_test.js
@@ -0,0 +1,78 @@
+dart_library.library('language/issue10581_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__issue10581_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 issue10581_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  issue10581_test.AxesObject = class AxesObject extends core.Object {};
+  issue10581_test.result = '';
+  issue10581_test.Point2DObject = class Point2DObject extends issue10581_test.AxesObject {
+    Update() {
+      issue10581_test.result = dart.notNull(issue10581_test.result) + 'P';
+    }
+  };
+  dart.setSignature(issue10581_test.Point2DObject, {
+    methods: () => ({Update: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  issue10581_test.BestFitObject = class BestFitObject extends issue10581_test.AxesObject {
+    Update() {
+      issue10581_test.result = dart.notNull(issue10581_test.result) + 'B';
+    }
+  };
+  dart.setSignature(issue10581_test.BestFitObject, {
+    methods: () => ({Update: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  issue10581_test.Foo = class Foo extends core.Object {
+    AddAxesObject(type) {
+      let a = null;
+      switch (type) {
+        case 100:
+        {
+          a = new issue10581_test.Point2DObject();
+          break;
+        }
+        case 200:
+        {
+          a = new issue10581_test.BestFitObject();
+          break;
+        }
+      }
+      if (a != null) {
+        a.Update();
+      }
+    }
+    AddAxesObject2(type) {
+      let a = null;
+      if (dart.equals(type, 100)) {
+        a = new issue10581_test.Point2DObject();
+      } else if (dart.equals(type, 200)) {
+        a = new issue10581_test.BestFitObject();
+      }
+      if (a != null) {
+        a.Update();
+      }
+    }
+  };
+  dart.setSignature(issue10581_test.Foo, {
+    methods: () => ({
+      AddAxesObject: dart.definiteFunctionType(dart.dynamic, [dart.dynamic]),
+      AddAxesObject2: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])
+    })
+  });
+  issue10581_test.main = function() {
+    let f = new issue10581_test.Foo();
+    f.AddAxesObject(100);
+    f.AddAxesObject(200);
+    f.AddAxesObject2(100);
+    f.AddAxesObject2(200);
+    expect$.Expect.equals('PBPB', issue10581_test.result);
+  };
+  dart.fn(issue10581_test.main, VoidTodynamic());
+  // Exports:
+  exports.issue10581_test = issue10581_test;
+});