@Test
public void testUnsafeWithMutableParams() { // LOG4J2-763
final Mutable param = new Mutable().set("abc");
final ObjectMessage msg = new ObjectMessage(param);
// modify parameter before calling msg.getFormattedMessage
param.set("XYZ");
final String actual = msg.getFormattedMessage();
assertEquals("Expected most recent param value", "XYZ", actual);
}
@Test
public void testSafeAfterGetFormattedMessageIsCalled() { // LOG4J2-763
final Mutable param = new Mutable().set("abc");
final ObjectMessage msg = new ObjectMessage(param);
// modify parameter after calling msg.getFormattedMessage
msg.getFormattedMessage();
param.set("XYZ");
final String actual = msg.getFormattedMessage();
assertEquals("Should use initial param value", "abc", actual);
}