| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // Test that a non-used generative constructor does not prevent |
| // inferring types for fields. |
| |
| import 'package:async_helper/async_helper.dart'; |
| import 'package:expect/expect.dart'; |
| |
| import 'compiler_helper.dart'; |
| |
| const String TEST = """ |
| |
| class A { |
| final intField; |
| final stringField; |
| A() : intField = 42, stringField = 'foo'; |
| A.bar() : intField = 'bar', stringField = 42; |
| } |
| |
| main() { |
| new A(); |
| } |
| """; |
| |
| void main() { |
| Uri uri = new Uri(scheme: 'source'); |
| var compiler = compilerFor(TEST, uri); |
| asyncTest(() => compiler.run(uri).then((_) { |
| var typesInferrer = compiler.globalInference.typesInferrerInternal; |
| |
| checkFieldTypeInClass(String className, String fieldName, type) { |
| dynamic cls = findElement(compiler, className); |
| var element = cls.lookupLocalMember(fieldName); |
| Expect.isTrue( |
| typesInferrer.getTypeOfMember(element).containsOnly(type)); |
| } |
| |
| checkFieldTypeInClass('A', 'intField', |
| typesInferrer.closedWorld.commonElements.jsUInt31Class); |
| checkFieldTypeInClass('A', 'stringField', |
| typesInferrer.closedWorld.commonElements.jsStringClass); |
| })); |
| } |