| /* |
| * 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.qpid.framing; |
| |
| import junit.framework.TestCase; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.util.ArrayList; |
| import java.util.List; |
| public class AMQShortStringTest extends TestCase |
| { |
| |
| public static final AMQShortString HELLO = new AMQShortString("Hello"); |
| public static final AMQShortString HELL = new AMQShortString("Hell"); |
| public static final AMQShortString GOODBYE = new AMQShortString("Goodbye"); |
| public static final AMQShortString GOOD = new AMQShortString("Good"); |
| public static final AMQShortString BYE = new AMQShortString("BYE"); |
| |
| public void testStartsWith() |
| { |
| assertTrue(HELLO.startsWith(HELL)); |
| |
| assertFalse(HELL.startsWith(HELLO)); |
| |
| assertTrue(GOODBYE.startsWith(GOOD)); |
| |
| assertFalse(GOOD.startsWith(GOODBYE)); |
| } |
| |
| public void testEndWith() |
| { |
| assertFalse(HELL.endsWith(HELLO)); |
| |
| assertTrue(GOODBYE.endsWith(new AMQShortString("bye"))); |
| |
| assertFalse(GOODBYE.endsWith(BYE)); |
| } |
| |
| |
| public void testTokenize() |
| { |
| AMQShortString dotSeparatedWords = new AMQShortString("this.is.a.test.with.1.2.3.-numbers-and-then--dashes-"); |
| AMQShortStringTokenizer dotTokenizer = dotSeparatedWords.tokenize((byte) '.'); |
| |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(new AMQShortString("this"),(dotTokenizer.nextToken())); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(new AMQShortString("is"),(dotTokenizer.nextToken())); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(new AMQShortString("a"),(dotTokenizer.nextToken())); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(new AMQShortString("test"),(dotTokenizer.nextToken())); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(new AMQShortString("with"),(dotTokenizer.nextToken())); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(dotTokenizer.nextToken().toIntValue() , 1); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(dotTokenizer.nextToken().toIntValue() , 2); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| assertEquals(dotTokenizer.nextToken().toIntValue() , 3); |
| assertTrue(dotTokenizer.hasMoreTokens()); |
| AMQShortString dashString = dotTokenizer.nextToken(); |
| assertEquals(new AMQShortString("-numbers-and-then--dashes-"),(dashString)); |
| |
| AMQShortStringTokenizer dashTokenizer = dashString.tokenize((byte)'-'); |
| assertEquals(dashTokenizer.countTokens(), 7); |
| |
| AMQShortString[] expectedResults = new AMQShortString[] |
| { AMQShortString.EMPTY_STRING, |
| new AMQShortString("numbers"), |
| new AMQShortString("and"), |
| new AMQShortString("then"), |
| AMQShortString.EMPTY_STRING, |
| new AMQShortString("dashes"), |
| AMQShortString.EMPTY_STRING }; |
| |
| for(int i = 0; i < 7; i++) |
| { |
| assertTrue(dashTokenizer.hasMoreTokens()); |
| assertEquals(dashTokenizer.nextToken(), expectedResults[i]); |
| } |
| |
| assertFalse(dotTokenizer.hasMoreTokens()); |
| } |
| |
| |
| public void testEquals() |
| { |
| assertEquals(GOODBYE, new AMQShortString("Goodbye")); |
| assertEquals(new AMQShortString("A"), new AMQShortString("A")); |
| assertFalse(new AMQShortString("A").equals(new AMQShortString("a"))); |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(byte[])}. |
| */ |
| public void testCreateAMQShortStringByteArray() |
| { |
| byte[] bytes = null; |
| try |
| { |
| bytes = "test".getBytes("UTF-8"); |
| } |
| catch (UnsupportedEncodingException e) |
| { |
| fail("UTF-8 encoding is not supported anymore by JVM:" + e.getMessage()); |
| } |
| AMQShortString string = new AMQShortString(bytes); |
| assertEquals("constructed amq short string length differs from expected", 4, string.length()); |
| assertTrue("constructed amq short string differs from expected", string.equals("test")); |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(java.lang.String)} |
| * <p> |
| * Tests short string construction from string with length less than 255. |
| */ |
| public void testCreateAMQShortStringString() |
| { |
| AMQShortString string = new AMQShortString("test"); |
| assertEquals("constructed amq short string length differs from expected", 4, string.length()); |
| assertTrue("constructed amq short string differs from expected", string.equals("test")); |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(char[])}. |
| * <p> |
| * Tests short string construction from char array with length less than 255. |
| */ |
| public void testCreateAMQShortStringCharArray() |
| { |
| char[] chars = "test".toCharArray(); |
| AMQShortString string = new AMQShortString(chars); |
| assertEquals("constructed amq short string length differs from expected", 4, string.length()); |
| assertTrue("constructed amq short string differs from expected", string.equals("test")); |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(java.lang.CharSequence)} |
| * <p> |
| * Tests short string construction from char sequence with length less than 255. |
| */ |
| public void testCreateAMQShortStringCharSequence() |
| { |
| AMQShortString string = new AMQShortString((CharSequence) "test"); |
| assertEquals("constructed amq short string length differs from expected", 4, string.length()); |
| assertTrue("constructed amq short string differs from expected", string.equals("test")); |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(byte[])}. |
| * <p> |
| * Tests an attempt to create an AMQP short string from byte array with length over 255. |
| */ |
| public void testCreateAMQShortStringByteArrayOver255() |
| { |
| String test = buildString('a', 256); |
| byte[] bytes = null; |
| try |
| { |
| bytes = test.getBytes("UTF-8"); |
| } |
| catch (UnsupportedEncodingException e) |
| { |
| fail("UTF-8 encoding is not supported anymore by JVM:" + e.getMessage()); |
| } |
| try |
| { |
| new AMQShortString(bytes); |
| fail("It should not be possible to create AMQShortString with length over 255"); |
| } |
| catch (IllegalArgumentException e) |
| { |
| assertEquals("Exception message differs from expected", |
| "Cannot create AMQShortString with number of octets over 255!", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(java.lang.String)} |
| * <p> |
| * Tests an attempt to create an AMQP short string from string with length over 255 |
| */ |
| public void testCreateAMQShortStringStringOver255() |
| { |
| String test = buildString('a', 256); |
| try |
| { |
| new AMQShortString(test); |
| fail("It should not be possible to create AMQShortString with length over 255"); |
| } |
| catch (IllegalArgumentException e) |
| { |
| assertEquals("Exception message differs from expected", |
| "Cannot create AMQShortString with number of octets over 255!", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(char[])}. |
| * <p> |
| * Tests an attempt to create an AMQP short string from char array with length over 255. |
| */ |
| public void testCreateAMQShortStringCharArrayOver255() |
| { |
| String test = buildString('a', 256); |
| char[] chars = test.toCharArray(); |
| try |
| { |
| new AMQShortString(chars); |
| fail("It should not be possible to create AMQShortString with length over 255"); |
| } |
| catch (IllegalArgumentException e) |
| { |
| assertEquals("Exception message differs from expected", |
| "Cannot create AMQShortString with number of octets over 255!", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Test method for |
| * {@link org.apache.qpid.framing.AMQShortString#AMQShortString(java.lang.CharSequence)} |
| * <p> |
| * Tests an attempt to create an AMQP short string from char sequence with length over 255. |
| */ |
| public void testCreateAMQShortStringCharSequenceOver255() |
| { |
| String test = buildString('a', 256); |
| try |
| { |
| new AMQShortString((CharSequence) test); |
| fail("It should not be possible to create AMQShortString with length over 255"); |
| } |
| catch (IllegalArgumentException e) |
| { |
| assertEquals("Exception message differs from expected", |
| "Cannot create AMQShortString with number of octets over 255!", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Tests joining of short strings into a short string with length over 255. |
| */ |
| public void testJoinOverflow() |
| { |
| List<AMQShortString> data = new ArrayList<AMQShortString>(); |
| for (int i = 0; i < 25; i++) |
| { |
| data.add(new AMQShortString("test data!")); |
| } |
| try |
| { |
| AMQShortString.join(data, new AMQShortString(" ")); |
| fail("It should not be possible to create AMQShortString with length over 255"); |
| } |
| catch (IllegalArgumentException e) |
| { |
| assertEquals("Exception message differs from expected", |
| "Cannot create AMQShortString with number of octets over 255!", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Tests joining of short strings into a short string with length less than 255. |
| */ |
| public void testJoin() |
| { |
| StringBuilder expected = new StringBuilder(); |
| List<AMQShortString> data = new ArrayList<AMQShortString>(); |
| data.add(new AMQShortString("test data 1")); |
| expected.append("test data 1"); |
| data.add(new AMQShortString("test data 2")); |
| expected.append(" test data 2"); |
| AMQShortString result = AMQShortString.join(data, new AMQShortString(" ")); |
| assertEquals("join result differs from expected", expected.toString(), result.asString()); |
| } |
| |
| /** |
| * A helper method to generate a string with given length containing given |
| * character |
| * |
| * @param ch |
| * char to build string with |
| * @param length |
| * target string length |
| * @return string |
| */ |
| private String buildString(char ch, int length) |
| { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < length; i++) |
| { |
| sb.append(ch); |
| } |
| return sb.toString(); |
| } |
| |
| } |