Check in codegen test expectations.

test/codegen/expect/language/assert_with_type_test_or_cast_test.js

Index: test/codegen/expect/language/assert_with_type_test_or_cast_test.js
diff --git a/test/codegen/expect/language/assert_with_type_test_or_cast_test.js b/test/codegen/expect/language/assert_with_type_test_or_cast_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..abbb26fe01622e6ae33ace94be02ce074fa582e2
--- /dev/null
+++ b/test/codegen/expect/language/assert_with_type_test_or_cast_test.js
@@ -0,0 +1,22 @@
+dart_library.library('language/assert_with_type_test_or_cast_test', null, /* Imports */[
+  'dart_sdk'
+], function load__assert_with_type_test_or_cast_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const assert_with_type_test_or_cast_test = Object.create(null);
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let ListOfString = () => (ListOfString = dart.constFn(core.List$(core.String)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  assert_with_type_test_or_cast_test.main = function() {
+    let names = ListOfint().new();
+    dart.assert(ListOfint().is(names));
+    dart.assert(!ListOfString().is(names));
+    dart.assert(names[dartx.length] == 0);
+    dart.assert(ListOfint().is(names));
+  };
+  dart.fn(assert_with_type_test_or_cast_test.main, VoidTodynamic());
+  // Exports:
+  exports.assert_with_type_test_or_cast_test = assert_with_type_test_or_cast_test;
+});