Update charted to 0.4.8 and roll

packages/quiver_iterables/test/partition_test.dart

-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-library quiver.iterables.partition_test;
-
-import 'package:test/test.dart';
-import 'package:quiver_iterables/iterables.dart';
-
-main() {
-  group('partition', () {
-    test('should throw when size is <= 0', () {
-      expect(() => partition([1, 2, 3], 0), throwsArgumentError);
-      expect(() => partition([1, 2, 3], -1), throwsArgumentError);
-    });
-
-    test('should return an empty list for empty input iterable', () {
-      expect(partition([], 5), equals([]));
-    });
-
-    test('should return one partition if partition size < input size', () {
-      var it = partition([1, 2, 3], 5).iterator;
-      expect(it.moveNext(), isTrue);
-      expect(it.current, equals([1, 2, 3]));
-      expect(it.moveNext(), isFalse);
-      expect(it.current, isNull);
-    });
-
-    test('should return one partition if partition size == input size', () {
-      var it = partition([1, 2, 3, 4, 5], 5).iterator;
-      expect(it.moveNext(), isTrue);
-      expect(it.current, equals([1, 2, 3, 4, 5]));
-      expect(it.moveNext(), isFalse);
-      expect(it.current, isNull);
-    });
-
-    test(
-        'should return partitions of correct size if '
-        'partition size > input size', () {
-      var it = partition([1, 2, 3, 4, 5], 3).iterator;
-      expect(it.moveNext(), isTrue);
-      expect(it.current, equals([1, 2, 3]));
-      expect(it.moveNext(), isTrue);
-      expect(it.current, equals([4, 5]));
-      expect(it.moveNext(), isFalse);
-      expect(it.current, isNull);
-    });
-  });
-}