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From rdon...@apache.org
Subject svn commit: r674944 [2/2] - in /james/mime4j/trunk/src: main/java/org/apache/james/mime4j/ main/java/org/apache/james/mime4j/util/ test/java/org/apache/james/mime4j/
Date Tue, 08 Jul 2008 20:44:06 GMT
Added: james/mime4j/trunk/src/test/java/org/apache/james/mime4j/TestCharArrayBuffer.java
URL: http://svn.apache.org/viewvc/james/mime4j/trunk/src/test/java/org/apache/james/mime4j/TestCharArrayBuffer.java?rev=674944&view=auto
==============================================================================
--- james/mime4j/trunk/src/test/java/org/apache/james/mime4j/TestCharArrayBuffer.java (added)
+++ james/mime4j/trunk/src/test/java/org/apache/james/mime4j/TestCharArrayBuffer.java Tue
Jul  8 13:44:06 2008
@@ -0,0 +1,357 @@
+/****************************************************************
+ * 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.james.mime4j;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit tests for {@link CharArrayBuffer}.
+ */
+public class TestCharArrayBuffer extends TestCase {
+
+    public TestCharArrayBuffer(String testName) {
+        super(testName);
+    }
+
+    public static void main(String args[]) {
+        String[] testCaseName = { TestCharArrayBuffer.class.getName() };
+        junit.textui.TestRunner.main(testCaseName);
+    }
+
+    public static Test suite() {
+        return new TestSuite(TestCharArrayBuffer.class);
+    }
+
+    public void testConstructor() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(16);
+        assertEquals(16, buffer.capacity()); 
+        assertEquals(0, buffer.length());
+        assertNotNull(buffer.buffer());
+        assertEquals(16, buffer.buffer().length);
+        try {
+            new CharArrayBuffer(-1);
+            fail("IllegalArgumentException should have been thrown");
+        } catch (IllegalArgumentException ex) {
+            // expected
+        }
+    }
+    
+    public void testSimpleAppend() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(16);
+        assertEquals(16, buffer.capacity()); 
+        assertEquals(0, buffer.length());
+        char[] b1 = buffer.toCharArray();
+        assertNotNull(b1);
+        assertEquals(0, b1.length);
+        assertTrue(buffer.isEmpty());
+        assertFalse(buffer.isFull());
+        
+        char[] tmp = new char[] { '1', '2', '3', '4'};
+        buffer.append(tmp, 0, tmp.length);
+        assertEquals(16, buffer.capacity()); 
+        assertEquals(4, buffer.length());
+        assertFalse(buffer.isEmpty());
+        assertFalse(buffer.isFull());
+        
+        char[] b2 = buffer.toCharArray();
+        assertNotNull(b2);
+        assertEquals(4, b2.length);
+        for (int i = 0; i < tmp.length; i++) {
+            assertEquals(tmp[i], b2[i]);
+            assertEquals(tmp[i], buffer.charAt(i));
+        }
+        assertEquals("1234", buffer.toString());
+        
+        buffer.clear();
+        assertEquals(16, buffer.capacity()); 
+        assertEquals(0, buffer.length());
+        assertTrue(buffer.isEmpty());
+        assertFalse(buffer.isFull());
+    }
+    
+    public void testExpandAppend() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        assertEquals(4, buffer.capacity()); 
+        
+        char[] tmp = new char[] { '1', '2', '3', '4'};
+        buffer.append(tmp, 0, 2);
+        buffer.append(tmp, 0, 4);
+        buffer.append(tmp, 0, 0);
+
+        assertEquals(8, buffer.capacity()); 
+        assertEquals(6, buffer.length());
+        
+        buffer.append(tmp, 0, 4);
+        
+        assertEquals(16, buffer.capacity()); 
+        assertEquals(10, buffer.length());
+        
+        assertEquals("1212341234", buffer.toString());
+    }
+
+    public void testAppendString() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append("stuff");
+        buffer.append(" and more stuff");
+        assertEquals("stuff and more stuff", buffer.toString());
+    }
+    
+    public void testAppendNullString() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append((String)null);
+        assertEquals("null", buffer.toString());
+    }
+    
+    public void testAppendCharArrayBuffer() throws Exception {
+        CharArrayBuffer buffer1 = new CharArrayBuffer(8);
+        buffer1.append(" and more stuff");
+        CharArrayBuffer buffer2 = new CharArrayBuffer(8);
+        buffer2.append("stuff");
+        buffer2.append(buffer1);
+        assertEquals("stuff and more stuff", buffer2.toString());
+    }
+    
+    public void testAppendNullCharArrayBuffer() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append((CharArrayBuffer)null);
+        buffer.append((CharArrayBuffer)null, 0, 0);
+        assertEquals("", buffer.toString());
+    }
+    
+    public void testAppendSingleChar() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        buffer.append('1');
+        buffer.append('2');
+        buffer.append('3');
+        buffer.append('4');
+        buffer.append('5');
+        buffer.append('6');
+        assertEquals("123456", buffer.toString());
+    }
+    
+    public void testInvalidCharArrayAppend() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        buffer.append((char[])null, 0, 0);
+
+        char[] tmp = new char[] { '1', '2', '3', '4'};
+        try {
+            buffer.append(tmp, -1, 0);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 0, -1);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 0, 8);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 10, Integer.MAX_VALUE);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 2, 4);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+    }
+
+    public void testSetLength() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        buffer.setLength(2);
+        assertEquals(2, buffer.length());
+    }
+    
+    public void testSetInvalidLength() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        try {
+            buffer.setLength(-2);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.setLength(200);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+    }
+
+    public void testEnsureCapacity() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        buffer.ensureCapacity(2);
+        assertEquals(4, buffer.capacity());
+        buffer.ensureCapacity(8);
+        assertEquals(8, buffer.capacity());
+    }
+
+    public void testIndexOf() {
+        CharArrayBuffer buffer = new CharArrayBuffer(16);
+        buffer.append("name: value");
+        assertEquals(4, buffer.indexOf(':'));
+        assertEquals(-1, buffer.indexOf(','));
+        assertEquals(4, buffer.indexOf(':', -1, 11));
+        assertEquals(4, buffer.indexOf(':', 0, 1000));
+        assertEquals(-1, buffer.indexOf(':', 2, 1));
+    }
+    
+    public void testSubstring() {
+        CharArrayBuffer buffer = new CharArrayBuffer(16);
+        buffer.append(" name:  value    ");
+        assertEquals(5, buffer.indexOf(':'));
+        assertEquals(" name", buffer.substring(0, 5));
+        assertEquals("  value    ", buffer.substring(6, buffer.length()));
+        assertEquals("name", buffer.substringTrimmed(0, 5));
+        assertEquals("value", buffer.substringTrimmed(6, buffer.length()));
+        assertEquals("", buffer.substringTrimmed(13, buffer.length()));
+    }
+    
+    public void testSubstringIndexOfOutBound() {
+        CharArrayBuffer buffer = new CharArrayBuffer(16);
+        buffer.append("stuff");
+        try {
+            buffer.substring(-2, 10);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.substringTrimmed(-2, 10);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.substring(12, 10);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.substringTrimmed(12, 10);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.substring(2, 1);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.substringTrimmed(2, 1);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+    }    
+    
+    public void testAppendAsciiByteArray() throws Exception {
+        String s1 = "stuff";
+        String s2 = " and more stuff";
+        byte[] b1 = s1.getBytes("US-ASCII");
+        byte[] b2 = s2.getBytes("US-ASCII");
+        
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append(b1, 0, b1.length);
+        buffer.append(b2, 0, b2.length);
+        
+        assertEquals("stuff and more stuff", buffer.toString());
+    }
+    
+    public void testAppendISOByteArray() throws Exception {
+        byte[] b = new byte[] {0x00, 0x20, 0x7F, -0x80, -0x01};
+        
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append(b, 0, b.length);
+        char[] ch = buffer.toCharArray();
+        assertNotNull(ch);
+        assertEquals(5, ch.length);
+        assertEquals(0x00, ch[0]);
+        assertEquals(0x20, ch[1]);
+        assertEquals(0x7F, ch[2]);
+        assertEquals(0x80, ch[3]);
+        assertEquals(0xFF, ch[4]);
+    }
+    
+    public void testAppendNullByteArray() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append((byte[])null, 0, 0);
+        assertEquals("", buffer.toString());
+    }
+
+    public void testAppendNullByteArrayBuffer() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(8);
+        buffer.append((ByteArrayBuffer)null, 0, 0);
+        assertEquals("", buffer.toString());
+    }
+
+    public void testInvalidAppendAsciiByteArray() throws Exception {
+        CharArrayBuffer buffer = new CharArrayBuffer(4);
+        buffer.append((byte[])null, 0, 0);
+
+        byte[] tmp = new byte[] { '1', '2', '3', '4'};
+        try {
+            buffer.append(tmp, -1, 0);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 0, -1);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 0, 8);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 10, Integer.MAX_VALUE);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+        try {
+            buffer.append(tmp, 2, 4);
+            fail("IndexOutOfBoundsException should have been thrown");
+        } catch (IndexOutOfBoundsException ex) {
+            // expected
+        }
+    }
+    
+}



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