CameraTest.java revision d480002ccad05cf992c628c72884091c36cc654c 
1/*
2 * Copyright (C) 2010 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 com.android.camera.unittest;
18
19import com.android.camera.Camera;
20import com.android.camera.FocusManager;
21import com.android.camera.Util;
22
23import android.graphics.Matrix;
24import android.graphics.Rect;
25import android.graphics.RectF;
26import android.test.suitebuilder.annotation.SmallTest;
27
28import junit.framework.TestCase;
29
30@SmallTest
31public class CameraTest extends TestCase {
32    public void testRoundOrientation() {
33        assertEquals(0, Camera.roundOrientation(0));
34        assertEquals(0, Camera.roundOrientation(0 + 44));
35        assertEquals(90, Camera.roundOrientation(0 + 45));
36        assertEquals(90, Camera.roundOrientation(90));
37        assertEquals(90, Camera.roundOrientation(90 + 44));
38        assertEquals(180, Camera.roundOrientation(90 + 45));
39        assertEquals(180, Camera.roundOrientation(180));
40        assertEquals(180, Camera.roundOrientation(180 + 44));
41        assertEquals(270, Camera.roundOrientation(180 + 45));
42        assertEquals(270, Camera.roundOrientation(270));
43        assertEquals(270, Camera.roundOrientation(270 + 44));
44        assertEquals(0, Camera.roundOrientation(270 + 45));
45        assertEquals(0, Camera.roundOrientation(359));
46    }
47
48    public void testConvertToFocusArea() {
49        Rect rect = new Rect();
50        FocusManager.convertToFocusArea(0, 0, 100, 100, 800, 480, rect);
51        assertEquals(new Rect(-1000, -1000, -750, -583), rect);
52        FocusManager.convertToFocusArea(0, 0, 400, 240, 800, 480, rect);
53        assertEquals(new Rect(-1000, -1000, 0, 0), rect);
54        FocusManager.convertToFocusArea(400, 240, 400, 240, 800, 480, rect);
55        assertEquals(new Rect(0, 0, 1000, 1000), rect);
56        FocusManager.convertToFocusArea(200, 120, 400, 240, 800, 480, rect);
57        assertEquals(new Rect(-500, -500, 500, 500), rect);
58        FocusManager.convertToFocusArea(0, 0, 800, 480, 800, 480, rect);
59        assertEquals(new Rect(-1000, -1000, 1000, 1000), rect);
60        FocusManager.convertToFocusArea(860, 620, 100, 100, 960, 720, rect);
61        assertEquals(new Rect(792, 722, 1000, 1000), rect);
62    }
63
64    public void testPrepareMatrix() {
65        Matrix matrix = new Matrix();
66        float[] points;
67        int[] expected;
68
69        Util.prepareMatrix(matrix, false, 0, 800, 480);
70        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
71        expected = new int[] {0, 0, 400, 240, 800, 480, 400, 480, 100, 300};
72        matrix.mapPoints(points);
73        assertEquals(expected, points);
74
75        Util.prepareMatrix(matrix, false, 90, 800, 480);
76        points = new float[] {-1000, -1000,   0,   0, 1000, 1000, 0, 1000, -750, 250};
77        expected = new int[] {800, 0, 400, 240, 0, 480, 0, 240, 300, 60};
78        matrix.mapPoints(points);
79        assertEquals(expected, points);
80
81        Util.prepareMatrix(matrix, false, 180, 800, 480);
82        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
83        expected = new int[] {800, 480, 400, 240, 0, 0, 400, 0, 700, 180};
84        matrix.mapPoints(points);
85        assertEquals(expected, points);
86
87        Util.prepareMatrix(matrix, true, 180, 800, 480);
88        points = new float[] {-1000, -1000, 0, 0, 1000, 1000, 0, 1000, -750, 250};
89        expected = new int[] {0, 480, 400, 240, 800, 0, 400, 0, 100, 180};
90        matrix.mapPoints(points);
91        assertEquals(expected, points);
92    }
93
94    private void assertEquals(int expected[], float[] actual) {
95        for (int i = 0; i < expected.length; i++) {
96            assertEquals("Array index " + i + " mismatch", expected[i], Math.round(actual[i]));
97        }
98    }
99}
100