assertEquals(DefaultThrowableRenderer.TRACE_PREFIX + "at c1.m1(f1:1)", result[1]);
}
@Test
public void testDoLayout() throws Exception {
ILoggingEvent le = createLoggingEvent();
String result = layout.getFileHeader();
result += layout.getPresentationHeader();
result += layout.doLayout(le);
result += layout.getPresentationFooter();