| /** |
| * 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.xml.security.test.dom.c14n.implementations; |
| |
| |
| import java.io.ByteArrayOutputStream; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.apache.xml.security.c14n.implementations.UtfHelpper; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| |
| public class UtfHelperTest { |
| |
| @org.junit.Test |
| public void testBug40156() { |
| String s = "\u00e4\u00f6\u00fc"; |
| byte[] a = UtfHelpper.getStringInUtf8(s); |
| byte[] correct = s.getBytes(StandardCharsets.UTF_8); |
| assertArrayEquals(correct, a); |
| } |
| |
| @org.junit.Test |
| public void testUtf() throws Exception { |
| |
| // |
| // This test fails with the IBM JDK |
| // |
| if ("IBM Corporation".equals(System.getProperty("java.vendor"))) { |
| return; |
| } |
| |
| // if system property org.apache.xml.security.c14n.oldUtf8=true, can only validate |
| // 16bit chars against String.getBytes(StandardCharsets.UTF_8); |
| int chunk = Boolean.getBoolean("org.apache.xml.security.c14n.oldUtf8") ? 1 << 16 |
| : Character.MAX_CODE_POINT + 1; |
| int j = 0; |
| ByteArrayOutputStream charByCharOs = new ByteArrayOutputStream(); |
| ByteArrayOutputStream strOs = new ByteArrayOutputStream(); |
| |
| char[] chs = new char[chunk * 2]; |
| int pos = 0; |
| for (int i = 0; i < chunk; i++) { |
| int ch = chunk * j + i; |
| int offset = Character.toChars(ch, chs, pos); |
| pos += offset; |
| if (ch == 0xDBFF) { |
| // since 0xDBFF with next character 0xDC00 will form a surrogate pair, so insert a space character in between |
| offset = Character.toChars(Character.SPACE_SEPARATOR, chs, pos); |
| pos += offset; |
| } |
| } |
| char[] newResult = new char[pos]; |
| System.arraycopy(chs, 0, newResult, 0, pos); |
| for (int i = 0; i < pos; ) { |
| int ch = Character.codePointAt(newResult, i); |
| i += Character.charCount(ch); |
| UtfHelpper.writeCodePointToUtf8(ch, charByCharOs); |
| } |
| |
| String str = new String(newResult); |
| byte[] a = UtfHelpper.getStringInUtf8(str); |
| |
| // System.out.println("chunk:"+j); |
| byte[] correct = str.getBytes(StandardCharsets.UTF_8); |
| assertArrayEquals("UtfHelper.getStringInUtf8 false", correct, a); |
| assertArrayEquals( |
| "UtfHelper.getStringInUtf8 false", |
| correct, charByCharOs.toByteArray() |
| ); |
| UtfHelpper.writeStringToUtf8(str, strOs); |
| assertArrayEquals( |
| "UtfHelper.writeStringToUtf8 false", |
| correct, strOs.toByteArray() |
| ); |
| } |
| |
| } |