juneau-core/juneau-core-test/src/test/java/org/apache/juneau/utils/CollectionUtilsTest.java

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package org.apache.juneau.utils;

import static org.apache.juneau.TestUtils.*;
import static org.apache.juneau.internal.CollectionUtils.*;
import static org.junit.Assert.*;

import java.util.*;

import org.apache.juneau.*;
import org.junit.*;

@SuppressWarnings("javadoc")
public class CollectionUtilsTest {

	//====================================================================================================
	// reverse(LinkedHashMap)
	//====================================================================================================
	@Test
	public void testReverse() throws Exception {
		assertNull(reverse((Map<?,?>)null));

		assertObjectEquals("{b:2,a:1}", reverse(new ObjectMap("{a:1,b:2}")));
		assertObjectEquals("{}", reverse(new ObjectMap("{}")));
	}
}