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package it.unimi.dsi.fastutil.objects;
import org.junit.Test;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
public class Object2ObjectMapTest {
@Test
public void testSmallMaps() {
assertTrue(Object2ObjectMap.ofEntries() instanceof Object2ObjectMaps.EmptyMap);
assertTrue(Object2ObjectMap.ofEntries(Object2ObjectMap.entry(new Object(), new Object())) instanceof Object2ObjectMaps.Singleton);
}
@Test
public void testThrowOnDuplicate() {
assertThrows(IllegalArgumentException.class, () -> Object2ObjectMap.ofEntries(
Object2ObjectMap.entry("dupe", "foo"),
Object2ObjectMap.entry("not a dupe", "bar"),
Object2ObjectMap.entry("dupe", "exception")
)
);
}
}
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