}
@Test
public void testFilter() throws Throwable {
MacroFilter macroFilter = new MacroFilter();
ISOChannel channel = new GZIPChannel(new X92GenericPackager());
LogEvent evt = new LogEvent("testMacroFilterTag", "\u0000\u0000");
when(m.getMaxField()).thenReturn(0);
ISOMsg result = macroFilter.filter(channel, m, evt);
assertSame("result", m, result);
verify(m).hasField(0);