package com.alibaba.json.bvt;
import java.io.StringWriter;
import java.lang.reflect.Field;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.fastjson.JSONWriter;
import com.alibaba.fastjson.serializer.SerializerFeature;
public class JSONWriterTest_error extends TestCase {
public void test_writer() throws Exception {
Field field = JSONWriter.class.getDeclaredField("context");
field.setAccessible(true);
StringWriter out = new StringWriter();
JSONWriter writer = new JSONWriter(out);
writer.config(SerializerFeature.UseSingleQuotes, true);
writer.startObject();
Object context = field.get(writer);
Field stateField = context.getClass().getDeclaredField("state");
stateField.setAccessible(true);
stateField.set(context, -1);
Exception error = null;
try {
writer.startObject();
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
writer.close();
}
}