Check in codegen test expectations.

test/codegen/expect/language/number_identifier_test_05_multi.js

+dart_library.library('language/number_identifier_test_05_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__number_identifier_test_05_multi(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 number_identifier_test_05_multi = Object.create(null);
+  let VoidTodouble = () => (VoidTodouble = dart.constFn(dart.definiteFunctionType(core.double, [])))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  number_identifier_test_05_multi.main = function() {
+    expect$.Expect.isTrue(typeof 2 == 'number');
+    expect$.Expect.equals(2, 2);
+    expect$.Expect.isTrue(typeof -2 == 'number');
+    expect$.Expect.equals(-2, -2);
+    expect$.Expect.isTrue(typeof 16 == 'number');
+    expect$.Expect.isTrue(typeof -16 == 'number');
+    expect$.Expect.isTrue(typeof 2.0 == 'number');
+    expect$.Expect.equals(2.0, 2.0);
+    expect$.Expect.isTrue(typeof -2.0 == 'number');
+    expect$.Expect.equals(-2.0, -2.0);
+    expect$.Expect.isTrue(typeof 0.2 == 'number');
+    expect$.Expect.equals(0.2, 0.2);
+    expect$.Expect.isTrue(typeof 100.0 == 'number');
+    expect$.Expect.equals(100.0, 100.0);
+    expect$.Expect.isTrue(typeof 0.01 == 'number');
+    expect$.Expect.equals(0.01, 0.01);
+    expect$.Expect.isTrue(typeof 100.0 == 'number');
+    expect$.Expect.equals(100.0, 100.0);
+    expect$.Expect.throws(dart.fn(() => 100.0, VoidTodouble()), dart.fn(e => core.NoSuchMethodError.is(e), dynamicTobool()));
+  };
+  dart.fn(number_identifier_test_05_multi.main, VoidTodynamic());
+  // Exports:
+  exports.number_identifier_test_05_multi = number_identifier_test_05_multi;
+});