Check in codegen test expectations.

test/codegen/expect/language/super_setter_interceptor_test.js

Index: test/codegen/expect/language/super_setter_interceptor_test.js
diff --git a/test/codegen/expect/language/super_setter_interceptor_test.js b/test/codegen/expect/language/super_setter_interceptor_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..87eeaf7e327ddefe33138ab59dff6502b7a0ee3a
--- /dev/null
+++ b/test/codegen/expect/language/super_setter_interceptor_test.js
@@ -0,0 +1,56 @@
+dart_library.library('language/super_setter_interceptor_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__super_setter_interceptor_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 super_setter_interceptor_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  super_setter_interceptor_test.expected = null;
+  super_setter_interceptor_test.A = class A extends core.Object {
+    set length(a) {
+      expect$.Expect.equals(super_setter_interceptor_test.expected, a);
+    }
+    get length() {
+      return 41;
+    }
+  };
+  super_setter_interceptor_test.B = class B extends super_setter_interceptor_test.A {
+    test() {
+      super_setter_interceptor_test.expected = 42;
+      expect$.Expect.equals(42, super.length = 42);
+      super_setter_interceptor_test.expected = 42;
+      expect$.Expect.equals(42, (super.length = dart.dsend(super.length, '+', 1)));
+      super_setter_interceptor_test.expected = 42;
+      expect$.Expect.equals(42, (super.length = dart.dsend(super.length, '+', 1)));
+      super_setter_interceptor_test.expected = 40;
+      expect$.Expect.equals(40, (super.length = dart.dsend(super.length, '-', 1)));
+      super_setter_interceptor_test.expected = 42;
+      expect$.Expect.equals(41, (() => {
+        let x = super.length;
+        super.length = dart.dsend(x, '+', 1);
+        return x;
+      })());
+      super_setter_interceptor_test.expected = 40;
+      expect$.Expect.equals(41, (() => {
+        let x = super.length;
+        super.length = dart.dsend(x, '-', 1);
+        return x;
+      })());
+      expect$.Expect.equals(41, super.length);
+    }
+  };
+  dart.setSignature(super_setter_interceptor_test.B, {
+    methods: () => ({test: dart.definiteFunctionType(dart.dynamic, [])})
+  });
+  super_setter_interceptor_test.main = function() {
+    core.print([]);
+    new super_setter_interceptor_test.B().test();
+  };
+  dart.fn(super_setter_interceptor_test.main, VoidTodynamic());
+  // Exports:
+  exports.super_setter_interceptor_test = super_setter_interceptor_test;
+});