@Test public void testBLOB() throws Exception {
  assumeTrue("In postresql blob_column has OID type, but in JAVA it converts into long not into byte.",!(unitDbAdapter instanceof PostgresUnitDbAdapter));
  if (unitDbAdapter.supportsLobs()) {
    String columnName="BLOB_COLUMN";
    ReturnTypesMap2 test=context.newObject(ReturnTypesMap2.class);
    byte[] blobValue={3,4,5,-6,7,0,2,9,45,64,3,127,-128,-60};
    test.setBlobColumn(blobValue);
    context.commitChanges();
    NamedQuery q=new NamedQuery("SelectReturnTypesMap2");
    DataRow testRead=(DataRow)context.performQuery(q).get(0);
    Object columnValue=testRead.get(columnName);
    assertNotNull(columnValue);
    assertEquals(byte[].class,columnValue.getClass());
    assertTrue(Arrays.equals(blobValue,(byte[])columnValue));
  }
}