package com.fasterxml.jackson.core.io;
import java.io.*;
import com.fasterxml.jackson.core.io.IOContext;
import com.fasterxml.jackson.core.io.UTF8Writer;
import com.fasterxml.jackson.core.util.BufferRecycler;
public class TestUTF8Writer
extends com.fasterxml.jackson.core.BaseTest
{
public void testSimple() throws Exception
{
BufferRecycler rec = new BufferRecycler();
IOContext ctxt = new IOContext(rec, null, false);
ByteArrayOutputStream out = new ByteArrayOutputStream();
UTF8Writer w = new UTF8Writer(ctxt, out);
String str = "AB\u00A0\u1AE9\uFFFC";
char[] ch = str.toCharArray();
// Let's write 3 times, using different methods
w.write(str);
w.append(ch[0]);
w.write(ch[1]);
w.write(ch, 2, 3);
w.write(str, 0, str.length());
w.close();
// and thus should have 3 times contents
byte[] data = out.toByteArray();
assertEquals(3*10, data.length);
String act = out.toString("UTF-8");
assertEquals(15, act.length());
assertEquals(3 * str.length(), act.length());
assertEquals(str+str+str, act);
}
public void testFlushAfterClose() throws Exception
{
BufferRecycler rec = new BufferRecycler();
IOContext ctxt = new IOContext(rec, null, false);
ByteArrayOutputStream out = new ByteArrayOutputStream();
UTF8Writer w = new UTF8Writer(ctxt, out);
w.write('X');
w.close();
assertEquals(1, out.size());
// and this ought to be fine...
w.flush();
// as well as some more...
w.close();
w.flush();
}
}