Check in codegen test expectations.

test/codegen/expect/language/double_int_to_string_test.js

Index: test/codegen/expect/language/double_int_to_string_test.js
diff --git a/test/codegen/expect/language/double_int_to_string_test.js b/test/codegen/expect/language/double_int_to_string_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..118bb07c82e2b9dd2c7c448f6ab95f2d06311db1
--- /dev/null
+++ b/test/codegen/expect/language/double_int_to_string_test.js
@@ -0,0 +1,26 @@
+dart_library.library('language/double_int_to_string_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__double_int_to_string_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 double_int_to_string_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  double_int_to_string_test.main = function() {
+    expect$.Expect.equals("0.0", dart.toString(0.0));
+    expect$.Expect.equals("9.0", dart.toString(9.0));
+    expect$.Expect.equals("90.0", dart.toString(90.0));
+    expect$.Expect.equals("111111111111111110000.0", dart.toString(111111111111111110000.0));
+    expect$.Expect.equals("-9.0", dart.toString(-9.0));
+    expect$.Expect.equals("-90.0", dart.toString(-90.0));
+    expect$.Expect.equals("-111111111111111110000.0", dart.toString(-111111111111111110000.0));
+    expect$.Expect.equals("1000.0", dart.toString(1000.0));
+    expect$.Expect.equals("1000000000000000100.0", dart.toString(1000000000000000100.0));
+  };
+  dart.fn(double_int_to_string_test.main, VoidTodynamic());
+  // Exports:
+  exports.double_int_to_string_test = double_int_to_string_test;
+});