Add support for redirectedConstructor to summaries.

pkg/analyzer/test/src/summary/summary_common.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 analyzer.test.src.summary.summary_common;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
@@ skipping 2728 matching lines @@
   }
 
   test_constructor() {
     String text = 'class C { C(); }';
     UnlinkedExecutable executable =
         findExecutable('', executables: serializeClassText(text).executables);
     expect(executable.kind, UnlinkedExecutableKind.constructor);
     expect(executable.returnType, isNull);
     expect(executable.isExternal, isFalse);
     expect(executable.nameOffset, text.indexOf('C();'));
+    expect(executable.isRedirectedConstructor, isFalse);
+    expect(executable.redirectedConstructor, isNull);
+    expect(executable.redirectedConstructorName, isEmpty);
   }
 
   test_constructor_anonymous() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C(); }').executables);
     expect(executable.name, isEmpty);
   }
 
   test_constructor_const() {
     UnlinkedExecutable executable = findExecutable('',
@@ skipping 396 matching lines @@
     expect(ctor.parameters[0].inferredTypeSlot, 0);
   }
 
   test_constructor_param_inferred_type_implicit() {
     UnlinkedExecutable ctor =
         serializeClassText('class C { C(v); }').executables[0];
     expect(ctor.kind, UnlinkedExecutableKind.constructor);
     expect(ctor.parameters[0].inferredTypeSlot, 0);
   }
 
+  test_constructor_redirected_factory_named() {
+    String text = '''
+class C {
+  factory C() = D.named;
+  C._();
+}
+class D extends C {
+  D.named() : super._();
+}
+''';
+    UnlinkedExecutable executable =
+        serializeClassText(text, className: 'C').executables[0];
+    expect(executable.isRedirectedConstructor, isTrue);
+    expect(executable.isFactory, isTrue);
+    expect(executable.redirectedConstructorName, isEmpty);
+    checkTypeRef(executable.redirectedConstructor, null, null, 'named',
+        expectedKind: ReferenceKind.constructor,
+        prefixExpectations: [
+          new _PrefixExpectation(ReferenceKind.classOrEnum, 'D')
+        ]);
+  }
+
+  test_constructor_redirected_factory_unnamed() {
+    String text = '''
+class C {
+  factory C() = D;
+  C._();
+}
+class D extends C {
+  D() : super._();
+}
+''';
+    UnlinkedExecutable executable =
+        serializeClassText(text, className: 'C').executables[0];
+    expect(executable.isRedirectedConstructor, isTrue);
+    expect(executable.isFactory, isTrue);
+    expect(executable.redirectedConstructorName, isEmpty);
+    checkTypeRef(executable.redirectedConstructor, null, null, 'D');
+  }
+
+  test_constructor_redirected_thisInvocation_named() {
+    String text = '''
+class C {
+  C() : this.named();
+  C.named();
+}
+''';
+    UnlinkedExecutable executable =
+        serializeClassText(text, className: 'C').executables[0];
+    expect(executable.isRedirectedConstructor, isTrue);
+    expect(executable.isFactory, isFalse);
+    expect(executable.redirectedConstructorName, 'named');
+    expect(executable.redirectedConstructor, isNull);
+  }
+
+  test_constructor_redirected_thisInvocation_unnamed() {
+    String text = '''
+class C {
+  C.named() : this();
+  C();
+}
+''';
+    UnlinkedExecutable executable =
+        serializeClassText(text, className: 'C').executables[0];
+    expect(executable.isRedirectedConstructor, isTrue);
+    expect(executable.isFactory, isFalse);
+    expect(executable.redirectedConstructorName, isEmpty);
+    expect(executable.redirectedConstructor, isNull);
+  }
+
   test_constructor_return_type() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C(); }').executables);
     expect(executable.returnType, isNull);
   }
 
   test_constructor_return_type_parameterized() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C<T, U> { C(); }').executables);
     expect(executable.returnType, isNull);
@@ skipping 2830 matching lines @@
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.inLibraryDefiningUnit: false,
       this.absoluteUri,
       this.relativeUri,
       this.numTypeParameters: 0});
 }