1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of 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,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package androidx.wear.widget.util;
18
19import static org.junit.Assert.assertEquals;
20
21import android.graphics.RectF;
22import android.support.test.filters.SmallTest;
23import android.support.test.runner.AndroidJUnit4;
24
25import org.junit.Before;
26import org.junit.Test;
27import org.junit.runner.RunWith;
28
29/** Unit tests for {@link ArcSwipe}. */
30@SmallTest
31@RunWith(AndroidJUnit4.class)
32public class ArcSwipeTest {
33    private ArcSwipe mArcSwipeUnderTest;
34    private final RectF mFakeBounds = new RectF(0, 0, 400, 400);
35
36    @Before
37    public void setup() {
38        mArcSwipeUnderTest = new ArcSwipe(ArcSwipe.Gesture.FAST_CLOCKWISE, mFakeBounds);
39    }
40
41    @Test
42    public void testSweepAngleClockwise() {
43        assertEquals(0, mArcSwipeUnderTest.getSweepAngle(0, 0, true), 0.0f);
44        assertEquals(360, mArcSwipeUnderTest.getSweepAngle(0, 360, true), 0.0f);
45        assertEquals(90, mArcSwipeUnderTest.getSweepAngle(0, 90, true), 0.0f);
46        assertEquals(90, mArcSwipeUnderTest.getSweepAngle(90, 180, true), 0.0f);
47        assertEquals(225, mArcSwipeUnderTest.getSweepAngle(45, 270, true), 0.0f);
48        assertEquals(270, mArcSwipeUnderTest.getSweepAngle(90, 0, true), 0.0f);
49        assertEquals(170, mArcSwipeUnderTest.getSweepAngle(280, 90, true), 0.0f);
50    }
51
52    @Test
53    public void testSweepAngleAntiClockwise() {
54        assertEquals(360, mArcSwipeUnderTest.getSweepAngle(0, 0, false), 0.0f);
55        assertEquals(0, mArcSwipeUnderTest.getSweepAngle(0, 360, false), 0.0f);
56        assertEquals(270, mArcSwipeUnderTest.getSweepAngle(0, 90, false), 0.0f);
57        assertEquals(270, mArcSwipeUnderTest.getSweepAngle(90, 180, false), 0.0f);
58        assertEquals(135, mArcSwipeUnderTest.getSweepAngle(45, 270, false), 0.0f);
59        assertEquals(90, mArcSwipeUnderTest.getSweepAngle(90, 0, false), 0.0f);
60        assertEquals(190, mArcSwipeUnderTest.getSweepAngle(280, 90, false), 0.0f);
61    }
62
63    @Test
64    public void testGetAngle() {
65        assertEquals(0, mArcSwipeUnderTest.getAngle(200, 0), 0.0f);
66        assertEquals(90, mArcSwipeUnderTest.getAngle(400, 200), 0.0f);
67        assertEquals(180, mArcSwipeUnderTest.getAngle(200, 400), 0.0f);
68        assertEquals(270, mArcSwipeUnderTest.getAngle(0, 200), 0.0f);
69    }
70}
71