108 lines
3.5 KiB
Java
108 lines
3.5 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.util;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertTrue;
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import java.io.UnsupportedEncodingException;
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import org.junit.Test;
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/**
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* A test case for the StringUtils class.
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*/
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public class StringUtilsTest {
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@Test
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public void testEscapeForXml() {
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String input = null;
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assertNull(StringUtils.escapeForXml(null));
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input = "<b>";
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assertCharSequenceEquals("<b>", StringUtils.escapeForXml(input));
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input = "\"";
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assertCharSequenceEquals(""", StringUtils.escapeForXml(input));
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input = "&";
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assertCharSequenceEquals("&", StringUtils.escapeForXml(input));
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input = "<b>\n\t\r</b>";
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assertCharSequenceEquals("<b>\n\t\r</b>", StringUtils.escapeForXml(input));
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input = " & ";
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assertCharSequenceEquals(" & ", StringUtils.escapeForXml(input));
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input = " \" ";
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assertCharSequenceEquals(" " ", StringUtils.escapeForXml(input));
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input = "> of me <";
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assertCharSequenceEquals("> of me <", StringUtils.escapeForXml(input));
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input = "> of me & you<";
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assertCharSequenceEquals("> of me & you<", StringUtils.escapeForXml(input));
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input = "& <";
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assertCharSequenceEquals("& <", StringUtils.escapeForXml(input));
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input = "&";
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assertCharSequenceEquals("&", StringUtils.escapeForXml(input));
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input = "It's a good day today";
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assertCharSequenceEquals("It's a good day today", StringUtils.escapeForXml(input));
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}
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public static void assertCharSequenceEquals(CharSequence expected, CharSequence actual) {
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assertEquals(expected.toString(), actual.toString());
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}
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@Test
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public void testEncodeHex() throws UnsupportedEncodingException {
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String input = "";
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String output = "";
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assertEquals(new String(StringUtils.encodeHex(input.getBytes(StringUtils.UTF8))),
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output);
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input = "foo bar 123";
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output = "666f6f2062617220313233";
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assertEquals(new String(StringUtils.encodeHex(input.getBytes(StringUtils.UTF8))),
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output);
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}
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@Test
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public void testRandomString() {
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// Boundary test
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String result = StringUtils.randomString(-1);
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assertNull(result);
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// Zero length string test
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result = StringUtils.randomString(0);
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assertNull(result);
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// Test various lengths - make sure the same length is returned
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result = StringUtils.randomString(4);
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assertTrue(result.length() == 4);
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result = StringUtils.randomString(16);
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assertTrue(result.length() == 16);
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result = StringUtils.randomString(128);
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assertTrue(result.length() == 128);
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}
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}
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