TypefaceCompatTest.java revision fc857452283b38dfbac9ca023a77a8cf8b8c5599 
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 android.support.v4.graphics;
18
19import static android.content.res.AssetManager.ACCESS_BUFFER;
20
21import static org.junit.Assert.assertNotNull;
22
23import android.graphics.Typeface;
24import android.os.ParcelFileDescriptor;
25import android.support.test.filters.SmallTest;
26import android.support.test.runner.AndroidJUnit4;
27import android.support.v4.BaseInstrumentationTestCase;
28import android.support.v4.app.TestSupportActivity;
29import android.support.v4.graphics.fonts.FontResult;
30import android.util.Base64;
31
32import org.junit.Before;
33import org.junit.Test;
34import org.junit.runner.RunWith;
35
36import java.io.File;
37import java.io.FileOutputStream;
38import java.io.IOException;
39import java.io.InputStream;
40import java.util.Arrays;
41import java.util.List;
42
43/**
44 * Tests for {@link TypefaceCompatBaseImpl}.
45 */
46@SmallTest
47@RunWith(AndroidJUnit4.class)
48public class TypefaceCompatTest extends BaseInstrumentationTestCase<TestSupportActivity> {
49    private static final String TEST_FONT_FILE = "fonts/samplefont1.ttf";
50    private static final String CACHE_FILE = "cachedfont.ttf";
51    private static final String PROVIDER = "com.test.fontprovider.authority";
52    private static final String QUERY_CACHED = "query_cached";
53    private static final String QUERY = "query";
54    private static final String PACKAGE = "com.test.fontprovider.package";
55    private static final byte[] BYTE_ARRAY =
56            Base64.decode("e04fd020ea3a6910a2d808002b30", Base64.DEFAULT);
57    private static final List<List<byte[]>> CERTS = Arrays.asList(Arrays.asList(BYTE_ARRAY));
58
59    private TypefaceCompatBaseImpl mCompat;
60
61    public TypefaceCompatTest() {
62        super(TestSupportActivity.class);
63    }
64
65    @Before
66    public void setup() {
67        mCompat = new TypefaceCompatBaseImpl(mActivityTestRule.getActivity());
68        TypefaceCompatBaseImpl.putInCache(PROVIDER, QUERY_CACHED, Typeface.MONOSPACE);
69    }
70
71    private File loadFont() {
72        File cacheFile = new File(mActivityTestRule.getActivity().getCacheDir(), CACHE_FILE);
73        try {
74            copyToCacheFile(TEST_FONT_FILE, cacheFile);
75            return cacheFile;
76        } catch (IOException e) {
77            e.printStackTrace();
78        }
79        return null;
80    }
81
82    private void copyToCacheFile(final String assetPath, final File cacheFile)
83            throws IOException {
84        InputStream is = null;
85        FileOutputStream fos = null;
86        try {
87            is = mActivityTestRule.getActivity().getAssets().open(assetPath, ACCESS_BUFFER);
88            fos = new FileOutputStream(cacheFile, false);
89            byte[] buffer = new byte[1024];
90            int readLen;
91            while ((readLen = is.read(buffer)) != -1) {
92                fos.write(buffer, 0, readLen);
93            }
94        } finally {
95            if (is != null) {
96                is.close();
97            }
98            if (fos != null) {
99                fos.close();
100            }
101        }
102    }
103
104    // TODO(nona): Remove once EmojiCompat stop using Typeface.createTypeface.
105    @Test
106    public void testCreateTypeface() throws IOException, InterruptedException {
107        File file = loadFont();
108        ParcelFileDescriptor pfd =
109                ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
110        try {
111            FontResult result = new FontResult(pfd, 0, null, 400, false /* italic */);
112            Typeface typeface = mCompat.createTypeface(Arrays.asList(result));
113
114            assertNotNull(typeface);
115        } finally {
116            if (file != null) {
117                file.delete();
118            }
119            if (pfd != null) {
120                pfd.close();
121            }
122        }
123    }
124}
125