Delete a bunch of packages that are now on GitHub.

pkg/source_span/test/utils_test.dart

-// Copyright (c) 2013, 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.
-
-import 'package:unittest/unittest.dart';
-import 'package:source_span/src/utils.dart';
-
-main() {
-  group('binary search', () {
-    test('empty', () {
-      expect(binarySearch([], (x) => true), -1);
-    });
-
-    test('single element', () {
-      expect(binarySearch([1], (x) => true), 0);
-      expect(binarySearch([1], (x) => false), 1);
-    });
-
-    test('no matches', () {
-      var list = [1, 2, 3, 4, 5, 6, 7];
-      expect(binarySearch(list, (x) => false), list.length);
-    });
-
-    test('all match', () {
-      var list = [1, 2, 3, 4, 5, 6, 7];
-      expect(binarySearch(list, (x) => true), 0);
-    });
-
-    test('compare with linear search', () {
-      for (int size = 0; size < 100; size++) {
-        var list = [];
-        for (int i = 0; i < size; i++) {
-          list.add(i);
-        }
-        for (int pos = 0; pos <= size; pos++) {
-          expect(binarySearch(list, (x) => x >= pos),
-              _linearSearch(list, (x) => x >= pos));
-        }
-      }
-    });
-  });
-}
-
-_linearSearch(list, predicate) {
-  if (list.length == 0) return -1;
-  for (int i = 0; i < list.length; i++) {
-    if (predicate(list[i])) return i;
-  }
-  return list.length;
-}
-