| /* |
| * Copyright (C) 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,d |
| * 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 android.text; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Test; |
| |
| @Presubmit |
| @SmallTest |
| public class AndroidCharacterTest { |
| |
| @Test |
| public void testGetDirectionalities_nonSupplementaryCharacters() { |
| int size = Character.MAX_VALUE + 1 |
| - (Character.MAX_SURROGATE - Character.MIN_SURROGATE + 1); |
| char[] chars = new char[size]; |
| byte[] java_lang_results = new byte[size]; |
| int index = 0; |
| for (int cp = 0; cp <= Character.MAX_VALUE; cp++) { |
| if (cp < Character.MIN_SURROGATE || cp > Character.MAX_SURROGATE) { |
| chars[index] = (char) cp; |
| java_lang_results[index] = Character.getDirectionality(cp); |
| index++; |
| } |
| } |
| |
| byte[] android_text_results = new byte[size]; |
| AndroidCharacter.getDirectionalities(chars, android_text_results, index); |
| assertArrayEquals(java_lang_results, android_text_results); |
| } |
| |
| @Test |
| public void testGetDirectionalities_supplementaryCharacters() { |
| int maxNumberOfChars = Character.MAX_CODE_POINT - Character.MIN_SUPPLEMENTARY_CODE_POINT |
| + 1; |
| int size = maxNumberOfChars * 2; |
| char[] chars = new char[size]; |
| byte[] java_lang_results = new byte[size]; |
| int index = 0; |
| for (int cp = Character.MIN_SUPPLEMENTARY_CODE_POINT; cp <= Character.MAX_CODE_POINT; |
| cp++) { |
| chars[index] = Character.highSurrogate(cp); |
| chars[index + 1] = Character.lowSurrogate(cp); |
| java_lang_results[index] = java_lang_results[index + 1] = Character |
| .getDirectionality(cp); |
| index += 2; |
| } |
| |
| byte[] android_text_results = new byte[size]; |
| AndroidCharacter.getDirectionalities(chars, android_text_results, index); |
| assertArrayEquals(java_lang_results, android_text_results); |
| } |
| } |