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  package org.apache.cayenne.reflect;
  
  import org.apache.cayenne.unit.util.TstBean;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  
  public class FieldAccessorTest {
  
      @Test
      public void testConstructor() {
          FieldAccessor accessor = new FieldAccessor(TstBean.class, "string", String.class);
          assertEquals("string", accessor.getName());
      }
  
      @Test
      public void testGet() {
          FieldAccessor accessor = new FieldAccessor(TstBean.class, "string", String.class);
  
          TstBean object = new TstBean();
          object.setString("abc");
          assertEquals("abc", accessor.getValue(object));
      }
  
      @Test
      public void testSetValue() {
          TstFields object = new TstFields();
  
          // string
          new FieldAccessor(TstFields.class, "stringField", String.class).setValue(
                  object,
                  "aaa");
          assertEquals("aaa", object.stringField);
  
          // primitive array
          byte[] bytes = new byte[] {
                  1, 2, 3
          };
          new FieldAccessor(TstFields.class, "byteArrayField", byte[].class).setValue(
                  object,
                  bytes);
          assertSame(bytes, object.byteArrayField);
  
          // object array
          String[] strings = new String[] {
                  "a", "b"
          };
          new FieldAccessor(TstFields.class, "stringArrayField", String[].class).setValue(
                  object,
                  strings);
          assertSame(strings, object.stringArrayField);
      }
  
      @Test
      public void testSetValuePrimitive() {
          TstFields object = new TstFields();
  
          // primitive int .. write non-null
          new FieldAccessor(TstFields.class, "intField", Integer.TYPE).setValue(
                  object,
                  6);
          assertEquals(6, object.intField);
  
          // primitive int .. write null
          object.intField = 55;
          new FieldAccessor(TstFields.class, "intField", Integer.TYPE).setValue(
                  object,
                  null);
  
          assertEquals(0, object.intField);
      }
  }
  