Add mirrors tests

test/codegen/lib/mirrors/reflect_model_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.reflect_model_test;
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+
+import 'model.dart';
+import 'stringify.dart';
+
+isNoSuchMethodError(e) => e is NoSuchMethodError;
+
+variablesOf(ClassMirror cm) {
+  var result = new Map();
+  cm.declarations.forEach((k,v) {
+    if (v is VariableMirror) result[k] = v;
+  });
+  return result;
+}
+
+gettersOf(ClassMirror cm) {
+  var result = new Map();
+  cm.declarations.forEach((k,v) {
+    if (v is MethodMirror && v.isGetter) result[k] = v;
+  });
+  return result;
+}
+
+settersOf(ClassMirror cm) {
+  var result = new Map();
+  cm.declarations.forEach((k,v) {
+    if (v is MethodMirror && v.isSetter) result[k] = v;
+  });
+  return result;
+}
+
+methodsOf(ClassMirror cm) {
+  var result = new Map();
+  cm.declarations.forEach((k,v) {
+    if (v is MethodMirror && v.isRegularMethod) result[k] = v;
+  });
+  return result;
+}
+
+main() {
+  var unnamed = new Symbol('');
+  var field = new Symbol('field');
+  var instanceMethod = new Symbol('instanceMethod');
+  var accessor = new Symbol('accessor');
+  var aMethod = new Symbol('aMethod');
+  var bMethod = new Symbol('bMethod');
+  var cMethod = new Symbol('cMethod');
+
+  var aClass = reflectClass(A);
+  var bClass = reflectClass(B);
+  var cClass = reflectClass(C);
+  var a = aClass.newInstance(unnamed, []);
+  var b = bClass.newInstance(unnamed, []);
+  var c = cClass.newInstance(unnamed, []);
+
+  expect('{field: Variable(s(field) in s(A))}', variablesOf(aClass));
+  expect('{}', variablesOf(bClass));
+  expect('{}', variablesOf(cClass));
+
+  Expect.isNull(a.getField(field).reflectee);
+  Expect.equals('B:get field', b.getField(field).reflectee);
+  Expect.equals('B:get field', c.getField(field).reflectee);
+
+  Expect.equals(42, a.setField(field, 42).reflectee);
+  Expect.equals(87, b.setField(field, 87).reflectee);
+  Expect.equals(89, c.setField(field, 89).reflectee);
+
+  Expect.equals(42, a.getField(field).reflectee);
+  Expect.equals('B:get field', b.getField(field).reflectee);
+  Expect.equals('B:get field', c.getField(field).reflectee);
+  Expect.equals(89, fieldC);
+
+  expect('{accessor: Method(s(accessor) in s(A), getter)'
+         '}',
+         gettersOf(aClass));
+  expect('{accessor: Method(s(accessor) in s(B), getter)'
+         ', field: Method(s(field) in s(B), getter)}',
+         gettersOf(bClass));
+  expect('{accessor: Method(s(accessor) in s(C), getter)}',
+         gettersOf(cClass));
+
+  expect('{accessor=: Method(s(accessor=) in s(A), setter)'
+         '}',
+         settersOf(aClass));
+  expect('{accessor=: Method(s(accessor=) in s(B), setter)}',
+         settersOf(bClass));
+  expect('{accessor=: Method(s(accessor=) in s(C), setter)'
+         ', field=: Method(s(field=) in s(C), setter)}',
+         settersOf(cClass));
+
+  Expect.equals('A:instanceMethod(7)', a.invoke(instanceMethod, [7]).reflectee);
+  Expect.equals('B:instanceMethod(9)', b.invoke(instanceMethod, [9]).reflectee);
+  Expect.equals(
+      'C:instanceMethod(13)', c.invoke(instanceMethod, [13]).reflectee);
+
+  expect(
+      '{aMethod: Method(s(aMethod) in s(A))'
+      ', instanceMethod: Method(s(instanceMethod) in s(A))}',
+      methodsOf(aClass));
+
+  expect(
+      '{bMethod: Method(s(bMethod) in s(B))'
+      ', instanceMethod: Method(s(instanceMethod) in s(B))}',
+      methodsOf(bClass));
+  expect(
+      '{cMethod: Method(s(cMethod) in s(C))'
+      ', instanceMethod: Method(s(instanceMethod) in s(C))}',
+      methodsOf(cClass));
+
+  Expect.equals('A:get accessor', a.getField(accessor).reflectee);
+  Expect.equals('B:get accessor', b.getField(accessor).reflectee);
+  Expect.equals('C:get accessor', c.getField(accessor).reflectee);
+
+  Expect.equals('foo', a.setField(accessor, 'foo').reflectee);
+  Expect.equals('bar', b.setField(accessor, 'bar').reflectee);
+  Expect.equals('baz', c.setField(accessor, 'baz').reflectee);
+
+  Expect.equals('foo', accessorA);
+  Expect.equals('bar', accessorB);
+  Expect.equals('baz', accessorC);
+
+  Expect.equals('aMethod', a.invoke(aMethod, []).reflectee);
+  Expect.equals('aMethod', b.invoke(aMethod, []).reflectee);
+  Expect.equals('aMethod', c.invoke(aMethod, []).reflectee);
+
+  Expect.throws(() { a.invoke(bMethod, []); }, isNoSuchMethodError);
+  Expect.equals('bMethod', b.invoke(bMethod, []).reflectee);
+  Expect.equals('bMethod', c.invoke(bMethod, []).reflectee);
+
+  Expect.throws(() { a.invoke(cMethod, []); }, isNoSuchMethodError);
+  Expect.throws(() { b.invoke(cMethod, []); }, isNoSuchMethodError);
+  Expect.equals('cMethod', c.invoke(cMethod, []).reflectee);
+}