Move client/{base, observable, layout, touch, util, view} to samples/ui_lib .

client/tests/client/observable/AbstractObservableTests.dart

-// Copyright (c) 2011, 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.
-
-testAbstractObservable() {
-  group('addChangeListener()', () {
-    test('adding the same listener twice returns false the second time', () {
-      final target = new AbstractObservable();
-      final listener = (e) { };
-
-      expect(target.addChangeListener(listener)).isTrue();
-      expect(target.addChangeListener(listener)).isFalse();
-    });
-
-    test('modifies listeners list', () {
-      // check that add/remove works, see contents of listeners too
-      final target = new AbstractObservable();
-      final l1 = (e) { };
-      final l2 = (e) { };
-      final l3 = (e) { };
-      final l4 = (e) { };
-
-      expect(target.listeners).equalsCollection([]);
-
-      target.addChangeListener(l1);
-      expect(target.listeners).equalsCollection([l1]);
-
-      target.addChangeListener(l2);
-      expect(target.listeners).equalsCollection([l1, l2]);
-
-      target.addChangeListener(l3);
-      target.addChangeListener(l4);
-      expect(target.listeners).equalsCollection([l1, l2, l3, l4]);
-
-      target.removeChangeListener(l4);
-      expect(target.listeners).equalsCollection([l1, l2, l3]);
-
-      target.removeChangeListener(l2);
-      expect(target.listeners).equalsCollection([l1, l3]);
-
-      target.removeChangeListener(l1);
-      expect(target.listeners).equalsCollection([l3]);
-
-      target.removeChangeListener(l3);
-      expect(target.listeners).equalsCollection([]);
-    });
-  });
-
-  test('fires immediately if no batch', () {
-    // If no batch is created, a summary should be automatically created and
-    // fired on each property change.
-    final target = new AbstractObservable();
-    EventSummary res = null;
-    target.addChangeListener((summary) {
-      expect(res).isNull();
-      res = summary;
-      expect(res).isNotNull();
-    });
-
-    target.recordPropertyUpdate('pM', 10, 11);
-
-    expect(res).isNotNull();
-    expect(res.events.length).equals(1);
-    validateUpdate(res.events[0], target, 'pM', null, 10, 11);
-    res = null;
-
-    target.recordPropertyUpdate('pL', '11', '13');
-
-    expect(res).isNotNull();
-    expect(res.events.length).equals(1);
-    validateUpdate(res.events[0], target, 'pL', null, '11', '13');
-  });
-}