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

samples/tests/samples/src/lib/observable/ObservableListTests.dart

Index: samples/tests/samples/src/lib/observable/ObservableListTests.dart
===================================================================
--- samples/tests/samples/src/lib/observable/ObservableListTests.dart	(revision 0)
+++ samples/tests/samples/src/lib/observable/ObservableListTests.dart	(revision 0)
@@ -0,0 +1,118 @@
+// 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.
+
+testObservableList() {
+  test('ObservableList', () {
+    final arr = new ObservableList<int>();
+
+    // Add some initial data before listening
+    arr.add(1);
+    arr.add(2);
+    arr.add(3);
+    arr.add(1);
+    arr.add(3);
+    arr.add(4);
+
+    expect(arr).equalsCollection([1, 2, 3, 1, 3, 4]);
+
+    // Add a listener that saves the events
+    EventSummary res = null;
+    arr.addChangeListener((summary) {
+      expect(res).isNull();
+      res = summary;
+      expect(res).isNotNull();
+    });
+
+    // execute some code with readonly operations only
+    expect(res).isNull();
+    bool called = false;
+    EventBatch.wrap((e) {
+      expect(arr.length).equals(6);
+      expect(arr[0]).equals(1);
+      // TODO(sigmund): why we need write startIndex? it should be optional.
+      expect(arr.indexOf(4, 0)).equals(5);
+      expect(arr.indexOf(1, 0)).equals(0);
+      expect(arr.indexOf(1, 1)).equals(3);
+      // TODO(rnystrom): Get rid of second arg when lastIndexOf has default.
+      expect(arr.lastIndexOf(1, arr.length - 1)).equals(3);
+      expect(arr.last()).equals(4);
+      final copy = new List<int>();
+      arr.forEach(f(i) {
+        copy.add(i);
+      });
+      expect(copy).equalsCollection([1, 2, 3, 1, 3, 4]);
+      called = true;
+    })(null);
+    expect(called).isTrue();
+    expect(res).isNull(); // no change from read-only operators
+
+    // execute some code with mutations
+    expect(res).isNull();
+    called = false;
+    expect(arr).equalsCollection([1, 2, 3, 1, 3, 4]);
+    EventBatch.wrap((e) {
+      arr.add(5);                                 // 1 2 3 1 3 4(5)
+      arr.add(6);                                 // 1 2 3 1 3 4 5(6)
+      arr[1] = arr[arr.length - 1];               // 1(6)3 1 3 4 5 6
+      arr.add(7);                                 // 1 6 3 1 3 4 5 6(7)
+      arr[5] = arr[8];                            // 1 6 3 1 3(7)5 6 7
+      arr.add(42);                                // 1 6 3 1 3 7 5 6 7(42)
+      expect(arr.removeAt(3)).equals(1);          // 1 6 3( )3 7 5 6 7 42
+      expect(arr.removeFirstElement(3)).isTrue(); // 1 6( )  3 7 5 6 7 42
+      expect(arr.removeLast()).equals(42);        // 1 6     3 7 5 6 7(  )
+      expect(arr.removeAllElements(6)).equals(2); // 1( )    3 7 5( )7
+      called = true;
+    })(null);
+    expect(called).isTrue();
+    expect(res).isNotNull();
+    expect(res.events.length).equals(11);
+    validateInsert(res.events[0], arr, null, 6, 5);
+    validateInsert(res.events[1], arr, null, 7, 6);
+    validateUpdate(res.events[2], arr, null, 1, 6, 2);
+    validateInsert(res.events[3], arr, null, 8, 7);
+    validateUpdate(res.events[4], arr, null, 5, 7, 4);
+    validateInsert(res.events[5], arr, null, 9, 42);
+    validateRemove(res.events[6], arr, null, 3, 1);
+    validateRemove(res.events[7], arr, null, 2, 3);
+    validateRemove(res.events[8], arr, null, 7, 42);
+    validateRemove(res.events[9], arr, null, 1, 6);
+    validateRemove(res.events[10], arr, null, 4, 6);
+    expect(arr).equalsCollection([1, 3, 7, 5, 7]);
+
+    res = null;
+    expect(res).isNull();
+    called = false;
+    // execute global mutations like sort and clear
+    EventBatch.wrap((e) {
+      arr.add(1);
+      arr.add(4);
+      arr.add(10);
+      arr.add(9);
+      arr.sort(int compare(int a, int b) { return a - b; });
+      called = true;
+    })(null);
+    expect(called).isTrue();
+    expect(res).isNotNull();
+    expect(res.events.length).equals(5);
+    validateInsert(res.events[0], arr, null, 5, 1);
+    validateInsert(res.events[1], arr, null, 6, 4);
+    validateInsert(res.events[2], arr, null, 7, 10);
+    validateInsert(res.events[3], arr, null, 8, 9);
+    validateGlobal(res.events[4], arr);
+    expect(arr).equalsCollection([1, 1, 3, 4, 5, 7, 7, 9, 10]);
+
+    res = null;
+    expect(res).isNull();
+    called = false;
+    EventBatch.wrap((e) {
+      arr.clear();
+      called = true;
+    })(null);
+    expect(called).isTrue();
+    expect(res).isNotNull();
+    expect(res.events.length).equals(1);
+    validateGlobal(res.events[0], arr);
+    expect(arr).equalsCollection([]);
+  });
+}