| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.text.translate; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Unit tests for {@link JavaUnicodeEscaper}. |
| */ |
| public class JavaUnicodeEscaperTest { |
| |
| @Test |
| public void testBelow() { |
| final JavaUnicodeEscaper jue = JavaUnicodeEscaper.below('F'); |
| |
| final String input = "ADFGZ"; |
| final String result = jue.translate(input); |
| assertThat(result).as("Failed to escape Unicode characters via the below method") |
| .isEqualTo("\\u0041\\u0044FGZ"); |
| } |
| |
| @Test |
| public void testBetween() { |
| final JavaUnicodeEscaper jue = JavaUnicodeEscaper.between('F', 'L'); |
| |
| final String input = "ADFGZ"; |
| final String result = jue.translate(input); |
| assertThat(result).as("Failed to escape Unicode characters via the between method") |
| .isEqualTo("AD\\u0046\\u0047Z"); |
| } |
| |
| @Test |
| public void testAbove() { |
| final JavaUnicodeEscaper jue = JavaUnicodeEscaper.above('F'); |
| |
| final String input = "ADFGZ"; |
| final String result = jue.translate(input); |
| assertThat(result).as("Failed to escape Unicode characters via the above method") |
| .isEqualTo("ADF\\u0047\\u005A"); |
| } |
| |
| @Test |
| public void testToUtf16Escape() { |
| final JavaUnicodeEscaper jue = JavaUnicodeEscaper.below('F'); |
| // According to https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B10000..U.2B10FFFF, |
| // Character ?, U+24B62, Binary Code Point 0010 0100 1011 0110 0010, |
| // Binary UTF-167 1101 1000 0101 0010 1101 1111 0110 0010, UTF-16 Hex Code Units D852 DF62 |
| final String encoding = jue.toUtf16Escape(Integer.parseInt("024B62", 16)); |
| assertThat(encoding).isEqualTo("\\uD852\\uDF62"); |
| } |
| } |