Add mirrors tests

test/codegen/lib/mirrors/constructor_kinds_test.dart

+// 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.
+
+library test.constructor_kinds_test;
+
+import 'dart:mirrors';
+import 'package:expect/expect.dart';
+
+class ClassWithDefaultConstructor {}
+
+class Class {
+  Class.generativeConstructor();
+  Class.redirectingGenerativeConstructor() : this.generativeConstructor();
+  factory Class.factoryConstructor() => new Class.generativeConstructor();
+  factory Class.redirectingFactoryConstructor() = Class.factoryConstructor;
+
+  const Class.constGenerativeConstructor();
+  const Class.constRedirectingGenerativeConstructor()
+      : this.constGenerativeConstructor();
+  // Not legal.
+  // const factory Class.constFactoryConstructor() => ...
+  const factory Class.constRedirectingFactoryConstructor()
+      = Class.constGenerativeConstructor;
+}
+
+main() {
+  ClassMirror cm;
+  MethodMirror mm;
+
+  // Multitest with and without constructor calls. On the VM, we want to check
+  // that constructor properties are correctly set even if the constructor
+  // hasn't been fully compiled. On dart2js, we want to check that constructors
+  // are retain even if there are no base-level calls.
+  new ClassWithDefaultConstructor();  /// 01: ok
+  new Class.generativeConstructor();  /// 01: ok
+  new Class.redirectingGenerativeConstructor();  /// 01: ok
+  new Class.factoryConstructor();  /// 01: ok
+  new Class.redirectingFactoryConstructor();  /// 01: ok
+  const Class.constGenerativeConstructor();  /// 01: ok
+  const Class.constRedirectingGenerativeConstructor();  /// 01: ok
+  const Class.constRedirectingFactoryConstructor();  /// 01: ok
+
+  cm = reflectClass(ClassWithDefaultConstructor);
+  mm = cm.declarations.values
+      .where((d) => d is MethodMirror && d.isConstructor).single;
+  Expect.isTrue(mm.isConstructor);
+  Expect.isTrue(mm.isGenerativeConstructor);
+  Expect.isFalse(mm.isFactoryConstructor);
+  Expect.isFalse(mm.isRedirectingConstructor);
+  Expect.isFalse(mm.isConstConstructor);
+
+  cm = reflectClass(Class);
+
+  mm = cm.declarations[#Class.generativeConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isTrue(mm.isGenerativeConstructor);
+  Expect.isFalse(mm.isFactoryConstructor);
+  Expect.isFalse(mm.isRedirectingConstructor);
+  Expect.isFalse(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.redirectingGenerativeConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isTrue(mm.isGenerativeConstructor);
+  Expect.isFalse(mm.isFactoryConstructor);
+  Expect.isTrue(mm.isRedirectingConstructor);
+  Expect.isFalse(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.factoryConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isFalse(mm.isGenerativeConstructor);
+  Expect.isTrue(mm.isFactoryConstructor);
+  Expect.isFalse(mm.isRedirectingConstructor);
+  Expect.isFalse(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.redirectingFactoryConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isFalse(mm.isGenerativeConstructor);
+  Expect.isTrue(mm.isFactoryConstructor);
+  Expect.isTrue(mm.isRedirectingConstructor);
+  Expect.isFalse(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.constGenerativeConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isTrue(mm.isGenerativeConstructor);
+  Expect.isFalse(mm.isFactoryConstructor);
+  Expect.isFalse(mm.isRedirectingConstructor);
+  Expect.isTrue(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.constRedirectingGenerativeConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isTrue(mm.isGenerativeConstructor);
+  Expect.isFalse(mm.isFactoryConstructor);
+  Expect.isTrue(mm.isRedirectingConstructor);
+  Expect.isTrue(mm.isConstConstructor);
+
+  // Not legal.
+  // mm = cm.declarations[#Class.constFactoryConstructor];
+  // Expect.isTrue(mm.isConstructor);
+  // Expect.isFalse(mm.isGenerativeConstructor);
+  // Expect.isTrue(mm.isFactoryConstructor);
+  // Expect.isFalse(mm.isRedirectingConstructor);
+  // Expect.isTrue(mm.isConstConstructor);
+
+  mm = cm.declarations[#Class.constRedirectingFactoryConstructor];
+  Expect.isTrue(mm.isConstructor);
+  Expect.isFalse(mm.isGenerativeConstructor);
+  Expect.isTrue(mm.isFactoryConstructor);
+  Expect.isTrue(mm.isRedirectingConstructor);
+  Expect.isTrue(mm.isConstConstructor);
+}