package org.infinispan.marshall;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.infinispan.marshall.core.Ids;
import org.infinispan.test.AbstractInfinispanTest;
import org.testng.annotations.Test;
@Test(groups = "unit", testName = "marshall.DuplicateIdTest")
public class DuplicateIdTest extends AbstractInfinispanTest {
public void testDuplicateMarshallerIds() throws Exception {
Class idHolder = Ids.class;
Map<Byte, Set<String>> dupes = new HashMap<Byte, Set<String>>();
for (Field f : idHolder.getDeclaredFields()) {
if (Modifier.isStatic(f.getModifiers()) && Modifier.isFinal(f.getModifiers()) && f.getType().equals(byte.class)) {
byte val = (Byte) f.get(null);
Set<String> names = dupes.get(val);
if (names == null) names = new HashSet<String>();
names.add(f.getName());
dupes.put(val, names);
}
}
int largest = 0;
for (Map.Entry<Byte, Set<String>> e : dupes.entrySet()) {
assert e.getValue().size() == 1 : "ID " + e.getKey() + " is duplicated by fields " + e.getValue();
largest = Math.max(largest, e.getKey());
}
log.trace("Next available ID is " + (largest + 1));
}
}