1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *      http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
12 */
13
14package android.databinding.testapp;
15
16import android.databinding.testapp.BR;
17import android.databinding.testapp.databinding.MultiArgAdapterTestBinding;
18import android.test.UiThreadTest;
19
20import static android.databinding.testapp.adapter.MultiArgTestAdapter.MultiBindingClass1;
21import static android.databinding.testapp.adapter.MultiArgTestAdapter.MultiBindingClass2;
22import static android.databinding.testapp.adapter.MultiArgTestAdapter.join;
23
24public class MultiArgAdapterTest extends BaseDataBinderTest<MultiArgAdapterTestBinding> {
25
26    public MultiArgAdapterTest() {
27        super(MultiArgAdapterTestBinding.class);
28    }
29
30    @UiThreadTest
31    public void testMultiArgIsCalled() {
32        initBinder();
33        MultiBindingClass1 obj1 = new MultiBindingClass1();
34        MultiBindingClass2 obj2 = new MultiBindingClass2();
35        MultiBindingClass1 obj3 = new MultiBindingClass1();
36        MultiBindingClass2 obj4 = new MultiBindingClass2();
37        obj1.setValue("a", false);
38        obj2.setValue("b", false);
39        obj3.setValue("c", false);
40        obj4.setValue("d", false);
41        mBinder.setObj1(obj1);
42        mBinder.setObj2(obj2);
43        mBinder.setObj3(obj3);
44        mBinder.setObj4(obj4);
45        mBinder.executePendingBindings();
46
47        assertEquals(mBinder.merged.getText().toString(), join(obj1, obj2));
48        assertEquals(mBinder.view2.getText().toString(), join(obj2));
49        assertEquals(mBinder.view3.getText().toString(), join(obj3));
50        assertEquals(mBinder.view4.getText().toString(), join(obj4));
51        String prev2 = mBinder.view2.getText().toString();
52        String prevValue = mBinder.merged.getText().toString();
53        obj1.setValue("o", false);
54        mBinder.executePendingBindings();
55        assertEquals(prevValue, mBinder.merged.getText().toString());
56        obj2.setValue("p", false);
57        mBinder.executePendingBindings();
58        assertEquals(prevValue, mBinder.merged.getText().toString());
59        // now invalidate obj1 only, obj2 should be evaluated as well
60        obj1.notifyPropertyChanged(BR._all);
61        String prev3 = mBinder.view3.getText().toString();
62        String prev4 = mBinder.view4.getText().toString();
63        obj3.setValue("q", false);
64        obj4.setValue("r", false);
65        mBinder.executePendingBindings();
66        assertEquals(join(obj1, obj2), mBinder.merged.getText().toString());
67        assertEquals("obj2 should not be re-evaluated", prev2, mBinder.view2.getText().toString());
68        // make sure 3 and 4 are not invalidated
69        assertEquals("obj3 should not be re-evaluated", prev3, mBinder.view3.getText().toString());
70        assertEquals("obj4 should not be re-evaluated", prev4, mBinder.view4.getText().toString());
71    }
72
73    @UiThreadTest
74    public void testSetWithOldValues() throws Throwable {
75        initBinder();
76        MultiBindingClass1 obj1 = new MultiBindingClass1();
77        MultiBindingClass2 obj2 = new MultiBindingClass2();
78        MultiBindingClass1 obj3 = new MultiBindingClass1();
79        MultiBindingClass2 obj4 = new MultiBindingClass2();
80        obj1.setValue("a", false);
81        obj2.setValue("b", false);
82        obj3.setValue("c", false);
83        obj4.setValue("d", false);
84        mBinder.setObj1(obj1);
85        mBinder.setObj2(obj2);
86        mBinder.setObj3(obj3);
87        mBinder.setObj4(obj4);
88        mBinder.executePendingBindings();
89
90        assertEquals("null -> a", mBinder.view7.getText().toString());
91        assertEquals("null, null -> a, b", mBinder.view8.getText().toString());
92
93        obj1.setValue("x", true);
94        obj2.setValue("y", true);
95        mBinder.executePendingBindings();
96
97        assertEquals("a -> x", mBinder.view7.getText().toString());
98        assertEquals("a, b -> x, y", mBinder.view8.getText().toString());
99
100        obj1.setValue("x", true);
101        obj2.setValue("y", true);
102        mBinder.executePendingBindings();
103
104        // Calls setter
105        assertEquals("x -> x", mBinder.view7.getText().toString());
106        assertEquals("x, y -> x, y", mBinder.view8.getText().toString());
107
108        obj2.setValue("z", true);
109        mBinder.executePendingBindings();
110
111        // only the two-arg value changed
112        assertEquals("x -> x", mBinder.view7.getText().toString());
113        assertEquals("x, y -> x, z", mBinder.view8.getText().toString());
114    }
115}
116