Fix for DeclarationResolver and invalid getters/setters.

pkg/analyzer/test/generated/declaration_resolver_test.dart

+// Copyright (c) 2015, 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 engine.declaration_resolver_test;
+
+import 'package:analyzer/src/generated/ast.dart';
+import 'package:analyzer/src/generated/element.dart';
+import 'package:analyzer/src/generated/resolver.dart';
+import 'package:unittest/unittest.dart';
+
+import '../reflective_tests.dart';
+import '../utils.dart';
+import 'resolver_test.dart';
+import 'test_support.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(DeclarationResolverTest);
+}
+
+@reflectiveTest
+class DeclarationResolverTest extends ResolverTestCase {
+  @override
+  void setUp() {
+    super.setUp();
+  }
+
+  void test_functionDeclaration_getter() {
+    String code = r'''
+int get zzz => 42;
+''';
+    CompilationUnit unit = resolveSource(code);
+    PropertyAccessorElement getterElement =
+        findSimpleIdentifier(unit, code, 'zzz =>').staticElement;
+    expect(getterElement.isGetter, isTrue);
+    // re-resolve
+    CompilationUnit unit2 = _cloneResolveUnit(unit);
+    SimpleIdentifier getterName = findSimpleIdentifier(unit2, code, 'zzz =>');
+    expect(getterName.staticElement, same(getterElement));
+  }
+
+  void test_functionDeclaration_setter() {
+    String code = r'''
+void set zzz(_) {}
+''';
+    CompilationUnit unit = resolveSource(code);
+    PropertyAccessorElement setterElement =
+        findSimpleIdentifier(unit, code, 'zzz(_)').staticElement;
+    expect(setterElement.isSetter, isTrue);
+    // re-resolve
+    CompilationUnit unit2 = _cloneResolveUnit(unit);
+    SimpleIdentifier getterName = findSimpleIdentifier(unit2, code, 'zzz(_)');
+    expect(getterName.staticElement, same(setterElement));
+  }
+
+  void test_invalid_functionDeclaration_getter_inFunction() {
+    String code = r'''
+main() {
+  int get zzz => 42;
+}
+''';
+    CompilationUnit unit = resolveSource(code);
+    FunctionElement getterElement =
+        findSimpleIdentifier(unit, code, 'zzz =>').staticElement;
+    // re-resolve
+    CompilationUnit unit2 = _cloneResolveUnit(unit);
+    SimpleIdentifier getterName = findSimpleIdentifier(unit2, code, 'zzz =>');
+    expect(getterName.staticElement, same(getterElement));
+  }
+
+  void test_invalid_functionDeclaration_setter_inFunction() {
+    String code = r'''
+main() {
+  set zzz(x) {}
+}
+''';
+    CompilationUnit unit = resolveSource(code);
+    FunctionElement setterElement =
+        findSimpleIdentifier(unit, code, 'zzz(x)').staticElement;
+    // re-resolve
+    CompilationUnit unit2 = _cloneResolveUnit(unit);
+    SimpleIdentifier setterName = findSimpleIdentifier(unit2, code, 'zzz(x)');
+    expect(setterName.staticElement, same(setterElement));
+  }
+
+  static SimpleIdentifier findSimpleIdentifier(
+      AstNode root, String code, String search) {
+    return EngineTestCase.findNode(
+        root, code, search, (n) => n is SimpleIdentifier);
+  }
+
+  static CompilationUnit _cloneResolveUnit(CompilationUnit unit) {
+    CompilationUnit clonedUnit = AstCloner.clone(unit);
+    new DeclarationResolver().resolve(clonedUnit, unit.element);
+    return clonedUnit;
+  }
+}