Check in codegen test expectations.

test/codegen/expect/language/incr_op_test.js

Index: test/codegen/expect/language/incr_op_test.js
diff --git a/test/codegen/expect/language/incr_op_test.js b/test/codegen/expect/language/incr_op_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..199a010ea0bd0cbd74b316f80a29f4e4307400e7
--- /dev/null
+++ b/test/codegen/expect/language/incr_op_test.js
@@ -0,0 +1,107 @@
+dart_library.library('language/incr_op_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__incr_op_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 incr_op_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  incr_op_test.A = class A extends core.Object {
+    static set y(v) {
+      incr_op_test.A.yy = v;
+    }
+    static get y() {
+      return incr_op_test.A.yy;
+    }
+  };
+  incr_op_test.A.yy = null;
+  incr_op_test.IncrOpTest = class IncrOpTest extends core.Object {
+    new() {
+      this.x = null;
+    }
+    static testMain() {
+      let a = 3;
+      let c = a++ + 1;
+      expect$.Expect.equals(4, c);
+      expect$.Expect.equals(4, a);
+      c = a-- + 1;
+      expect$.Expect.equals(5, c);
+      expect$.Expect.equals(3, a);
+      c = --a + 1;
+      expect$.Expect.equals(3, c);
+      expect$.Expect.equals(2, a);
+      c = 2 + ++a;
+      expect$.Expect.equals(5, c);
+      expect$.Expect.equals(3, a);
+      let obj = new incr_op_test.IncrOpTest();
+      obj.x = 100;
+      expect$.Expect.equals(100, obj.x);
+      obj.x = dart.dsend(obj.x, '+', 1);
+      expect$.Expect.equals(101, obj.x);
+      expect$.Expect.equals(102, (obj.x = dart.dsend(obj.x, '+', 1)));
+      expect$.Expect.equals(102, (() => {
+        let x = obj.x;
+        obj.x = dart.dsend(x, '+', 1);
+        return x;
+      })());
+      expect$.Expect.equals(103, obj.x);
+      incr_op_test.A.y = 55;
+      expect$.Expect.equals(55, (() => {
+        let x = incr_op_test.A.y;
+        incr_op_test.A.y = dart.dsend(x, '+', 1);
+        return x;
+      })());
+      expect$.Expect.equals(56, incr_op_test.A.y);
+      expect$.Expect.equals(57, incr_op_test.A.y = dart.dsend(incr_op_test.A.y, '+', 1));
+      expect$.Expect.equals(57, incr_op_test.A.y);
+      expect$.Expect.equals(56, incr_op_test.A.y = dart.dsend(incr_op_test.A.y, '-', 1));
+      incr_op_test.IncrOpTest.y = 55;
+      expect$.Expect.equals(55, (() => {
+        let x = incr_op_test.IncrOpTest.y;
+        incr_op_test.IncrOpTest.y = dart.dsend(x, '+', 1);
+        return x;
+      })());
+      expect$.Expect.equals(56, incr_op_test.IncrOpTest.y);
+      expect$.Expect.equals(57, incr_op_test.IncrOpTest.y = dart.dsend(incr_op_test.IncrOpTest.y, '+', 1));
+      expect$.Expect.equals(57, incr_op_test.IncrOpTest.y);
+      expect$.Expect.equals(56, incr_op_test.IncrOpTest.y = dart.dsend(incr_op_test.IncrOpTest.y, '-', 1));
+      let list = core.List.new(4);
+      for (let i = 0; i < dart.notNull(list[dartx.length]); i++) {
+        list[dartx.set](i, i);
+      }
+      for (let i = 0; i < dart.notNull(list[dartx.length]); i++) {
+        list[dartx.set](i, dart.dsend(list[dartx.get](i), '+', 1));
+      }
+      for (let i = 0; i < dart.notNull(list[dartx.length]); i++) {
+        expect$.Expect.equals(i + 1, list[dartx.get](i));
+        list[dartx.set](i, dart.dsend(list[dartx.get](i), '+', 1));
+      }
+      expect$.Expect.equals(1 + 2, list[dartx.get](1));
+      expect$.Expect.equals(1 + 2, (() => {
+        let i = 1, x = list[dartx.get](i);
+        list[dartx.set](i, dart.dsend(x, '-', 1));
+        return x;
+      })());
+      expect$.Expect.equals(1 + 1, list[dartx.get](1));
+      expect$.Expect.equals(1 + 0, (() => {
+        let i = 1;
+        return list[dartx.set](i, dart.dsend(list[dartx.get](i), '-', 1));
+      })());
+    }
+  };
+  dart.setSignature(incr_op_test.IncrOpTest, {
+    constructors: () => ({new: dart.definiteFunctionType(incr_op_test.IncrOpTest, [])}),
+    statics: () => ({testMain: dart.definiteFunctionType(dart.dynamic, [])}),
+    names: ['testMain']
+  });
+  incr_op_test.IncrOpTest.y = null;
+  incr_op_test.main = function() {
+    incr_op_test.IncrOpTest.testMain();
+  };
+  dart.fn(incr_op_test.main, VoidTodynamic());
+  // Exports:
+  exports.incr_op_test = incr_op_test;
+});