Write and read support for Float64 lists in FlatBuffers.

pkg/analyzer/test/src/summary/flat_buffers_test.dart

 // Copyright (c) 2016, 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.src.summary.flat_buffers_test;
 
 import 'package:analyzer/src/summary/flat_buffers.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../reflective_tests.dart';
@@ skipping 91 matching lines @@
     }
     // read and verify
     BufferPointer object = new BufferPointer.fromBytes(byteList).derefObject();
     expect(const BoolReader().vTableGet(object, 0), true);
     expect(const Int8Reader().vTableGet(object, 1), 10);
     expect(const Int32Reader().vTableGet(object, 2), 20);
     expect(const StringReader().vTableGet(object, 3), '12345');
     expect(const Int32Reader().vTableGet(object, 4), 40);
   }
 
+  void test_writeList_ofFloat64() {
+    List<double> values = <double>[-1.234567, 3.4E+9, -5.6E-13, 7.8, 12.13];
+    // write
+    List<int> byteList;
+    {
+      Builder builder = new Builder(initialSize: 0);
+      Offset offset = builder.writeListFloat64(values);
+      byteList = builder.finish(offset);
+    }
+    // read and verify
+    BufferPointer root = new BufferPointer.fromBytes(byteList);
+    List<double> items = const Float64ListReader().read(root);
+    expect(items, hasLength(5));
+    expect(items, orderedEquals(values));
+  }
+
   void test_writeList_ofInt32() {
     List<int> byteList;
     {
       Builder builder = new Builder(initialSize: 0);
       Offset offset = builder.writeListInt32(<int>[1, 2, 3, 4, 5]);
       byteList = builder.finish(offset);
     }
     // read and verify
     BufferPointer root = new BufferPointer.fromBytes(byteList);
     List<int> items = const ListReader<int>(const Int32Reader()).read(root);
@@ skipping 104 matching lines @@
 }
 
 class TestPointReader extends TableReader<TestPointImpl> {
   const TestPointReader();
 
   @override
   TestPointImpl createObject(BufferPointer object) {
     return new TestPointImpl(object);
   }
 }