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package org.simpleframework.common.buffer;
import org.simpleframework.common.buffer.Allocator;
import org.simpleframework.common.buffer.ArrayAllocator;
import org.simpleframework.common.buffer.Buffer;
import org.simpleframework.common.buffer.BufferAllocator;
import junit.framework.TestCase;
public class BufferAllocatorTest extends TestCase {
public void testBuffer() throws Exception {
Allocator allocator = new ArrayAllocator(1, 2);
Buffer buffer = new BufferAllocator(allocator, 1, 2);
buffer.append(new byte[]{'a'}).append(new byte[]{'b'});
assertEquals(buffer.encode(), "ab");
assertEquals(buffer.encode("ISO-8859-1"), "ab");
boolean overflow = false;
try {
buffer.append(new byte[]{'c'});
} catch(Exception e) {
overflow = true;
}
assertTrue(overflow);
buffer.clear();
assertEquals(buffer.encode(), "");
assertEquals(buffer.encode("UTF-8"), "");
allocator = new ArrayAllocator(1024, 2048);
buffer = new BufferAllocator(allocator, 1024, 2048);
buffer.append("abcdefghijklmnopqrstuvwxyz".getBytes());
Buffer alphabet = buffer.allocate();
alphabet.append("ABCDEFGHIJKLMNOPQRSTUVWXYZ".getBytes());
Buffer digits = buffer.allocate();
digits.append("0123456789".getBytes());
assertEquals(alphabet.encode(), "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
assertEquals(digits.encode(), "0123456789");
assertEquals(buffer.encode(), "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
Buffer extra = digits.allocate();
extra.append("#@?".getBytes());
assertEquals(extra.encode(), "#@?");
assertEquals(extra.length(), 3);
assertEquals(digits.encode(), "0123456789#@?");
assertEquals(digits.length(), 13);
assertEquals(buffer.encode(), "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#@?");
assertEquals(buffer.length(), 65);
}
public void testCascadingBufferAllocator() throws Exception {
Allocator allocator = new ArrayAllocator(1024, 2048);
allocator = new BufferAllocator(allocator, 1024, 2048);
allocator = new BufferAllocator(allocator, 1024, 2048);
allocator = new BufferAllocator(allocator, 1024, 2048);
allocator = new BufferAllocator(allocator, 1024, 2048);
Buffer buffer = allocator.allocate(1024);
buffer.append("abcdefghijklmnopqrstuvwxyz".getBytes());
assertEquals(buffer.encode(), "abcdefghijklmnopqrstuvwxyz");
buffer.append("ABCDEFGHIJKLMNOPQRSTUVWXYZ".getBytes());
assertEquals(buffer.encode(), "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
assertEquals(buffer.length(), 52);
}
}
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