Support for boolean lists in FlatBuffer.

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 'dart:typed_data';
 
 import 'package:analyzer/src/summary/flat_buffers.dart';
 import 'package:unittest/unittest.dart';
@@ skipping 174 matching lines @@
       Offset offset = builder.writeListUint32(values);
       byteList = builder.finish(offset);
     }
     // read and verify
     BufferPointer root = new BufferPointer.fromBytes(byteList);
     List<int> items = const Uint32ListReader().read(root);
     expect(items, hasLength(4));
     expect(items, orderedEquals(values));
   }
 
+  void test_writeList_ofBool() {

[Paul Berry, 2016/02/29 21:12:32]

This test only exercises a List<bool> of length 100.  IMHO there are enough
tricky corner cases that we should also test the following lengths:

- 0
- 1
- 31
- 32
- 33
- 63
- 64

+    List<int> trueBits = <int>[0, 3, 30, 60, 90, 99];
+    // write
+    List<int> byteList;
+    {
+      Builder builder = new Builder(initialSize: 0);
+      List<bool> values = new List<bool>.filled(100, false);
+      for (int bit in trueBits) {
+        values[bit] = true;
+      }
+      Offset offset = builder.writeListBool(values);
+      byteList = builder.finish(offset);
+    }
+    // read and verify
+    BufferPointer root = new BufferPointer.fromBytes(byteList);
+    List<bool> items = const BoolListReader().read(root);
+    expect(items, hasLength(100));
+    for (int i = 0; i < items.length; i++) {
+      expect(items[i], trueBits.contains(i), reason: 'bit $i');
+    }
+  }
+
   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
@@ skipping 148 matching lines @@
 }
 
 class TestPointReader extends TableReader<TestPointImpl> {
   const TestPointReader();
 
   @override
   TestPointImpl createObject(BufferPointer object) {
     return new TestPointImpl(object);
   }
 }