Record isFinal for parameters into 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/error/listener.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
@@ skipping 6003 matching lines @@
   test_executable_param_name() {
     String text = 'f(x) {}';
     UnlinkedExecutable executable = serializeExecutableText(text);
     expect(executable.parameters, hasLength(1));
     expect(executable.parameters[0].name, 'x');
     if (includeInformative) {
       expect(executable.parameters[0].nameOffset, text.indexOf('x'));
     }
   }
 
+  test_executable_param_isFinal() {
+    String text = 'f(x, final y) {}';
+    UnlinkedExecutable executable = serializeExecutableText(text);
+    expect(executable.parameters, hasLength(2));
+    expect(executable.parameters[0].name, 'x');
+    expect(executable.parameters[0].isFinal, isFalse);
+    expect(executable.parameters[1].name, 'y');
+    expect(executable.parameters[1].isFinal, isTrue);
+  }
+
   test_executable_param_no_flags() {
     UnlinkedExecutable executable = serializeExecutableText('f(x) {}');
     expect(executable.parameters[0].isFunctionTyped, isFalse);
     expect(executable.parameters[0].isInitializingFormal, isFalse);
   }
 
   test_executable_param_non_function_typed() {
     UnlinkedExecutable executable = serializeExecutableText('f(g) {}');
     expect(executable.parameters[0].isFunctionTyped, isFalse);
   }
@@ skipping 4583 matching lines @@
 class _PrefixExpectation {
   final ReferenceKind kind;
   final String name;
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.absoluteUri, this.relativeUri, this.numTypeParameters: 0});
 }