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1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 
17 package com.android.inputmethod.keyboard.internal;
18 
19 import android.test.AndroidTestCase;
20 
21 public class PointerTrackerQueueTests extends AndroidTestCase {
22     public static class Element implements PointerTrackerQueue.Element {
23         public static int sPhantomUpCount;
24         public static final long NOT_HAPPENED = -1;
25 
26         public final int mId;
27         public boolean mIsModifier;
28         public boolean mIsInSlidingKeyInput;
29         public long mPhantomUpEventTime = NOT_HAPPENED;
30 
Element(int id)31         public Element(int id) {
32             mId = id;
33         }
34 
35         @Override
isModifier()36         public boolean isModifier() {
37             return mIsModifier;
38         }
39 
40         @Override
isInSlidingKeyInput()41         public boolean isInSlidingKeyInput() {
42             return mIsInSlidingKeyInput;
43         }
44 
45         @Override
onPhantomUpEvent(long eventTime)46         public void onPhantomUpEvent(long eventTime) {
47             sPhantomUpCount++;
48             mPhantomUpEventTime = eventTime + sPhantomUpCount;
49         }
50 
51         @Override
toString()52         public String toString() {
53             return Integer.toString(mId);
54         }
55     }
56 
57     private final Element mElement1 = new Element(1);
58     private final Element mElement2 = new Element(2);
59     private final Element mElement3 = new Element(3);
60     private final Element mElement4 = new Element(4);
61     private final PointerTrackerQueue mQueue = new PointerTrackerQueue();
62 
testEmpty()63     public void testEmpty() {
64         assertEquals("empty queue", 0, mQueue.size());
65         assertEquals("empty queue", "[]", mQueue.toString());
66     }
67 
testAdd()68     public void testAdd() {
69         mQueue.add(mElement1);
70         assertEquals("add element1", 1, mQueue.size());
71         assertEquals("after adding element1", "[1]", mQueue.toString());
72         mQueue.add(mElement2);
73         assertEquals("add element2", 2, mQueue.size());
74         assertEquals("after adding element2", "[1 2]", mQueue.toString());
75         mQueue.add(mElement3);
76         assertEquals("add element3", 3, mQueue.size());
77         assertEquals("after adding element3", "[1 2 3]", mQueue.toString());
78         mQueue.add(mElement4);
79         assertEquals("add element4", 4, mQueue.size());
80         assertEquals("after adding element4", "[1 2 3 4]", mQueue.toString());
81     }
82 
testRemove()83     public void testRemove() {
84         Element.sPhantomUpCount = 0;
85 
86         mQueue.add(mElement1);
87         mQueue.add(mElement2);
88         mQueue.add(mElement3);
89         mQueue.add(mElement4);
90 
91         mQueue.remove(mElement2);
92         assertEquals("remove element2", 3, mQueue.size());
93         assertEquals("after removing element2", "[1 3 4]", mQueue.toString());
94         mQueue.remove(mElement4);
95         assertEquals("remove element4", 2, mQueue.size());
96         assertEquals("after removing element4", "[1 3]", mQueue.toString());
97         mQueue.remove(mElement4);
98         assertEquals("remove element4 again", 2, mQueue.size());
99         assertEquals("after removing element4 again", "[1 3]", mQueue.toString());
100         mQueue.remove(mElement1);
101         assertEquals("remove element1", 1, mQueue.size());
102         assertEquals("after removing element4", "[3]", mQueue.toString());
103         mQueue.remove(mElement3);
104         assertEquals("remove element3", 0, mQueue.size());
105         assertEquals("after removing element3", "[]", mQueue.toString());
106         mQueue.remove(mElement1);
107         assertEquals("remove element1 again", 0, mQueue.size());
108         assertEquals("after removing element1 again", "[]", mQueue.toString());
109 
110         assertEquals("after remove elements", 0, Element.sPhantomUpCount);
111         assertEquals("after remove element1",
112                 Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
113         assertEquals("after remove element2",
114                 Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
115         assertEquals("after remove element3",
116                 Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
117         assertEquals("after remove element4",
118                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
119     }
120 
testAddAndRemove()121     public void testAddAndRemove() {
122         Element.sPhantomUpCount = 0;
123 
124         mQueue.add(mElement1);
125         mQueue.add(mElement2);
126         mQueue.add(mElement3);
127         mQueue.add(mElement4);
128 
129         mQueue.remove(mElement2);
130         assertEquals("remove element2", 3, mQueue.size());
131         assertEquals("after removing element2", "[1 3 4]", mQueue.toString());
132         mQueue.remove(mElement4);
133         assertEquals("remove element4", 2, mQueue.size());
134         assertEquals("after removing element4", "[1 3]", mQueue.toString());
135         mQueue.add(mElement2);
136         assertEquals("add element2", 3, mQueue.size());
137         assertEquals("after adding element2", "[1 3 2]", mQueue.toString());
138         mQueue.remove(mElement4);
139         assertEquals("remove element4 again", 3, mQueue.size());
140         assertEquals("after removing element4 again", "[1 3 2]", mQueue.toString());
141         mQueue.remove(mElement1);
142         assertEquals("remove element1", 2, mQueue.size());
143         assertEquals("after removing element4", "[3 2]", mQueue.toString());
144         mQueue.add(mElement1);
145         assertEquals("add element1", 3, mQueue.size());
146         assertEquals("after adding element1", "[3 2 1]", mQueue.toString());
147         mQueue.remove(mElement3);
148         assertEquals("remove element3", 2, mQueue.size());
149         assertEquals("after removing element3", "[2 1]", mQueue.toString());
150         mQueue.remove(mElement1);
151         assertEquals("remove element1 again", 1, mQueue.size());
152         assertEquals("after removing element1 again", "[2]", mQueue.toString());
153 
154         assertEquals("after remove element1",
155                 Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
156         assertEquals("after remove element2",
157                 Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
158         assertEquals("after remove element3",
159                 Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
160         assertEquals("after remove element4",
161                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
162     }
163 
testReleaseAllPointers()164     public void testReleaseAllPointers() {
165         mElement2.mIsModifier = true;
166         mQueue.add(mElement1);
167         mQueue.add(mElement2);
168         mQueue.add(mElement3);
169         mQueue.add(mElement4);
170 
171         final long eventTime = 123;
172         Element.sPhantomUpCount = 0;
173         mQueue.releaseAllPointers(eventTime);
174         assertEquals("after releaseAllPointers", 4, Element.sPhantomUpCount);
175         assertEquals("after releaseAllPointers", 0, mQueue.size());
176         assertEquals("after releaseAllPointers", "[]", mQueue.toString());
177         assertEquals("after releaseAllPointers element1",
178                 eventTime + 1, mElement1.mPhantomUpEventTime);
179         assertEquals("after releaseAllPointers element2",
180                 eventTime + 2, mElement2.mPhantomUpEventTime);
181         assertEquals("after releaseAllPointers element3",
182                 eventTime + 3, mElement3.mPhantomUpEventTime);
183         assertEquals("after releaseAllPointers element4",
184                 eventTime + 4, mElement4.mPhantomUpEventTime);
185     }
186 
testReleaseAllPointersOlderThan()187     public void testReleaseAllPointersOlderThan() {
188         mElement2.mIsModifier = true;
189         mQueue.add(mElement1);
190         mQueue.add(mElement2);
191         mQueue.add(mElement3);
192         mQueue.add(mElement4);
193 
194         final long eventTime = 123;
195         Element.sPhantomUpCount = 0;
196         mQueue.releaseAllPointersOlderThan(mElement4, eventTime);
197         assertEquals("after releaseAllPointersOlderThan", 2, Element.sPhantomUpCount);
198         assertEquals("after releaseAllPointersOlderThan", 2, mQueue.size());
199         assertEquals("after releaseAllPointersOlderThan", "[2 4]", mQueue.toString());
200         assertEquals("after releaseAllPointersOlderThan element1",
201                 eventTime + 1, mElement1.mPhantomUpEventTime);
202         assertEquals("after releaseAllPointersOlderThan element2",
203                 Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
204         assertEquals("after releaseAllPointersOlderThan element3",
205                 eventTime + 2, mElement3.mPhantomUpEventTime);
206         assertEquals("after releaseAllPointersOlderThan element4",
207                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
208     }
209 
testReleaseAllPointersOlderThanWithoutModifier()210     public void testReleaseAllPointersOlderThanWithoutModifier() {
211         mQueue.add(mElement1);
212         mQueue.add(mElement2);
213         mQueue.add(mElement3);
214         mQueue.add(mElement4);
215 
216         final long eventTime = 123;
217         Element.sPhantomUpCount = 0;
218         mQueue.releaseAllPointersOlderThan(mElement4, eventTime);
219         assertEquals("after releaseAllPointersOlderThan without modifier",
220                 3, Element.sPhantomUpCount);
221         assertEquals("after releaseAllPointersOlderThan without modifier", 1, mQueue.size());
222         assertEquals("after releaseAllPointersOlderThan without modifier",
223                 "[4]", mQueue.toString());
224         assertEquals("after releaseAllPointersOlderThan without modifier element1",
225                 eventTime + 1, mElement1.mPhantomUpEventTime);
226         assertEquals("after releaseAllPointersOlderThan without modifier element2",
227                 eventTime + 2, mElement2.mPhantomUpEventTime);
228         assertEquals("after releaseAllPointersOlderThan without modifier element3",
229                 eventTime + 3, mElement3.mPhantomUpEventTime);
230         assertEquals("after releaseAllPointersOlderThan without modifier element4",
231                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
232     }
233 
testReleaseAllPointersExcept()234     public void testReleaseAllPointersExcept() {
235         mElement2.mIsModifier = true;
236         mQueue.add(mElement1);
237         mQueue.add(mElement2);
238         mQueue.add(mElement3);
239         mQueue.add(mElement4);
240 
241         final long eventTime = 123;
242         Element.sPhantomUpCount = 0;
243         mQueue.releaseAllPointersExcept(mElement3, eventTime);
244         assertEquals("after releaseAllPointersExcept", 3, Element.sPhantomUpCount);
245         assertEquals("after releaseAllPointersExcept", 1, mQueue.size());
246         assertEquals("after releaseAllPointersExcept", "[3]", mQueue.toString());
247         assertEquals("after releaseAllPointersExcept element1",
248                 eventTime + 1, mElement1.mPhantomUpEventTime);
249         assertEquals("after releaseAllPointersExcept element2",
250                 eventTime + 2, mElement2.mPhantomUpEventTime);
251         assertEquals("after releaseAllPointersExcept element3",
252                 Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
253         assertEquals("after releaseAllPointersExcept element4",
254                 eventTime + 3, mElement4.mPhantomUpEventTime);
255     }
256 
testHasModifierKeyOlderThan()257     public void testHasModifierKeyOlderThan() {
258         Element.sPhantomUpCount = 0;
259         assertFalse("hasModifierKeyOlderThan empty", mQueue.hasModifierKeyOlderThan(mElement1));
260 
261         mQueue.add(mElement1);
262         mQueue.add(mElement2);
263         mQueue.add(mElement3);
264         mQueue.add(mElement4);
265 
266         assertFalse("hasModifierKeyOlderThan element1", mQueue.hasModifierKeyOlderThan(mElement1));
267         assertFalse("hasModifierKeyOlderThan element2", mQueue.hasModifierKeyOlderThan(mElement2));
268         assertFalse("hasModifierKeyOlderThan element3", mQueue.hasModifierKeyOlderThan(mElement3));
269         assertFalse("hasModifierKeyOlderThan element4", mQueue.hasModifierKeyOlderThan(mElement4));
270 
271         mElement2.mIsModifier = true;
272         assertFalse("hasModifierKeyOlderThan element1", mQueue.hasModifierKeyOlderThan(mElement1));
273         assertFalse("hasModifierKeyOlderThan element2", mQueue.hasModifierKeyOlderThan(mElement2));
274         assertTrue("hasModifierKeyOlderThan element3", mQueue.hasModifierKeyOlderThan(mElement3));
275         assertTrue("hasModifierKeyOlderThan element4", mQueue.hasModifierKeyOlderThan(mElement4));
276 
277         assertEquals("after hasModifierKeyOlderThan", 0, Element.sPhantomUpCount);
278         assertEquals("after hasModifierKeyOlderThan", 4, mQueue.size());
279         assertEquals("after hasModifierKeyOlderThan", "[1 2 3 4]", mQueue.toString());
280         assertEquals("after hasModifierKeyOlderThan element1",
281                 Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
282         assertEquals("after hasModifierKeyOlderThan element2",
283                 Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
284         assertEquals("after hasModifierKeyOlderThan element3",
285                 Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
286         assertEquals("after hasModifierKeyOlderThan element4",
287                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
288     }
289 
testIsAnyInSlidingKeyInput()290     public void testIsAnyInSlidingKeyInput() {
291         Element.sPhantomUpCount = 0;
292         assertFalse("isAnyInSlidingKeyInput empty", mQueue.isAnyInSlidingKeyInput());
293 
294         mQueue.add(mElement1);
295         mQueue.add(mElement2);
296         mQueue.add(mElement3);
297         mQueue.add(mElement4);
298 
299         assertFalse("isAnyInSlidingKeyInput element1", mQueue.isAnyInSlidingKeyInput());
300 
301         mElement3.mIsInSlidingKeyInput = true;
302         assertTrue("isAnyInSlidingKeyInput element1", mQueue.isAnyInSlidingKeyInput());
303 
304         assertEquals("after isAnyInSlidingKeyInput", 0, Element.sPhantomUpCount);
305         assertEquals("after isAnyInSlidingKeyInput", 4, mQueue.size());
306         assertEquals("after isAnyInSlidingKeyInput", "[1 2 3 4]", mQueue.toString());
307         assertEquals("after isAnyInSlidingKeyInput element1",
308                 Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
309         assertEquals("after isAnyInSlidingKeyInput element2",
310                 Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
311         assertEquals("after isAnyInSlidingKeyInput element3",
312                 Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
313         assertEquals("after isAnyInSlidingKeyInput element4",
314                 Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
315     }
316 }
317