TestUtf8Generator.java

package com.fasterxml.jackson.core.json;

import java.io.ByteArrayOutputStream;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.json.UTF8JsonGenerator;
import com.fasterxml.jackson.core.io.IOContext;
import com.fasterxml.jackson.core.util.BufferRecycler;
import com.fasterxml.jackson.test.BaseTest;

public class TestUtf8Generator
    extends BaseTest
{
    public void testUtf8Issue462() throws Exception
    {
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        IOContext ioc = new IOContext(new BufferRecycler(), bytes, true);
        JsonGenerator gen = new UTF8JsonGenerator(ioc, 0, null, bytes);
        String str = "Natuurlijk is alles gelukt en weer een tevreden klant\uD83D\uDE04";
        int length = 4000 - 38;

        for (int i = 1; i <= length; ++i) {
            gen.writeNumber(1);
        }
        gen.writeString(str);
        gen.flush();
        gen.close();
    }
}