Check in codegen test expectations.

test/codegen/expect/language/int_test.js

Index: test/codegen/expect/language/int_test.js
diff --git a/test/codegen/expect/language/int_test.js b/test/codegen/expect/language/int_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..77a3f5cc2be15d2b45eb24391da5ff68a8451bf6
--- /dev/null
+++ b/test/codegen/expect/language/int_test.js
@@ -0,0 +1,64 @@
+dart_library.library('language/int_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__int_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 int_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  int_test.IntTest = class IntTest extends core.Object {
+    static testMain() {
+      expect$.Expect.equals(0, 0 + 0);
+      expect$.Expect.equals(1, 1 + 0);
+      expect$.Expect.equals(2, 1 + 1);
+      expect$.Expect.equals(3, -1 + 4);
+      expect$.Expect.equals(3, 4 + -1);
+      expect$.Expect.equals(1, 1 - 0);
+      expect$.Expect.equals(0, 1 - 1);
+      expect$.Expect.equals(1, 2 - 1);
+      expect$.Expect.equals(2, 4 - 2);
+      expect$.Expect.equals(-2, 2 - 4);
+      expect$.Expect.equals(0, 3 * 0);
+      expect$.Expect.equals(0, 0 * 3);
+      expect$.Expect.equals(1, 1 * 1);
+      expect$.Expect.equals(5, 5 * 1);
+      expect$.Expect.equals(15, 3 * 5);
+      expect$.Expect.equals(-1, 1 * -1);
+      expect$.Expect.equals(-15, -5 * 3);
+      expect$.Expect.equals(15, -5 * -3);
+      expect$.Expect.equals(1, (2 / 2)[dartx.truncate]());
+      expect$.Expect.equals(2, (2 / 1)[dartx.truncate]());
+      expect$.Expect.equals(2, (4 / 2)[dartx.truncate]());
+      expect$.Expect.equals(2, (5 / 2)[dartx.truncate]());
+      expect$.Expect.equals(-2, (-5 / 2)[dartx.truncate]());
+      expect$.Expect.equals(-2, (-4 / 2)[dartx.truncate]());
+      expect$.Expect.equals(-2, (5 / -2)[dartx.truncate]());
+      expect$.Expect.equals(-2, (4 / -2)[dartx.truncate]());
+      expect$.Expect.equals(3, (7)[dartx['%']](4));
+      expect$.Expect.equals(2, (9)[dartx['%']](7));
+      expect$.Expect.equals(2, (-7)[dartx['%']](9));
+      expect$.Expect.equals(7, (7)[dartx['%']](-9));
+      expect$.Expect.equals(7, (7)[dartx['%']](9));
+      expect$.Expect.equals(2, (-7)[dartx['%']](-9));
+      expect$.Expect.equals(3, (7)[dartx.remainder](4));
+      expect$.Expect.equals(2, (9)[dartx.remainder](7));
+      expect$.Expect.equals(-7, (-7)[dartx.remainder](9));
+      expect$.Expect.equals(7, (7)[dartx.remainder](-9));
+      expect$.Expect.equals(7, (7)[dartx.remainder](9));
+      expect$.Expect.equals(-7, (-7)[dartx.remainder](-9));
+    }
+  };
+  dart.setSignature(int_test.IntTest, {
+    statics: () => ({testMain: dart.definiteFunctionType(dart.void, [])}),
+    names: ['testMain']
+  });
+  int_test.main = function() {
+    int_test.IntTest.testMain();
+  };
+  dart.fn(int_test.main, VoidTodynamic());
+  // Exports:
+  exports.int_test = int_test;
+});