| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package androidx.emoji.text; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| |
| import android.support.test.filters.SdkSuppress; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| @SdkSuppress(minSdkVersion = 19) |
| public class MetadataRepoTest { |
| |
| MetadataRepo mMetadataRepo; |
| |
| @Before |
| public void clearResourceIndex() { |
| mMetadataRepo = new MetadataRepo(); |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void testPut_withNullMetadata() { |
| mMetadataRepo.put(null); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testPut_withEmptyKeys() { |
| mMetadataRepo.put(new TestEmojiMetadata(new int[0])); |
| } |
| |
| @Test |
| public void testPut_withSingleCodePointMapping() { |
| final int[] codePoint = new int[]{1}; |
| final TestEmojiMetadata metadata = new TestEmojiMetadata(codePoint); |
| mMetadataRepo.put(metadata); |
| assertSame(metadata, getNode(codePoint)); |
| } |
| |
| @Test |
| public void testPut_withMultiCodePointsMapping() { |
| final int[] codePoint = new int[]{1, 2, 3, 4}; |
| final TestEmojiMetadata metadata = new TestEmojiMetadata(codePoint); |
| mMetadataRepo.put(metadata); |
| assertSame(metadata, getNode(codePoint)); |
| |
| assertEquals(null, getNode(new int[]{1})); |
| assertEquals(null, getNode(new int[]{1, 2})); |
| assertEquals(null, getNode(new int[]{1, 2, 3})); |
| assertEquals(null, getNode(new int[]{1, 2, 3, 5})); |
| } |
| |
| @Test |
| public void testPut_sequentialCodePoints() { |
| final int[] codePoint1 = new int[]{1, 2, 3, 4}; |
| final EmojiMetadata metadata1 = new TestEmojiMetadata(codePoint1); |
| |
| final int[] codePoint2 = new int[]{1, 2, 3}; |
| final EmojiMetadata metadata2 = new TestEmojiMetadata(codePoint2); |
| |
| final int[] codePoint3 = new int[]{1, 2}; |
| final EmojiMetadata metadata3 = new TestEmojiMetadata(codePoint3); |
| |
| mMetadataRepo.put(metadata1); |
| mMetadataRepo.put(metadata2); |
| mMetadataRepo.put(metadata3); |
| |
| assertSame(metadata1, getNode(codePoint1)); |
| assertSame(metadata2, getNode(codePoint2)); |
| assertSame(metadata3, getNode(codePoint3)); |
| |
| assertEquals(null, getNode(new int[]{1})); |
| assertEquals(null, getNode(new int[]{1, 2, 3, 4, 5})); |
| } |
| |
| final EmojiMetadata getNode(final int[] codepoints) { |
| return getNode(mMetadataRepo.getRootNode(), codepoints, 0); |
| } |
| |
| final EmojiMetadata getNode(MetadataRepo.Node node, final int[] codepoints, int start) { |
| if (codepoints.length < start) return null; |
| if (codepoints.length == start) return node.getData(); |
| |
| final MetadataRepo.Node childNode = node.get(codepoints[start]); |
| if (childNode == null) return null; |
| return getNode(childNode, codepoints, start + 1); |
| } |
| } |