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

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package org.apache.juneau.utils;

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

import java.util.*;

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

@SuppressWarnings("javadoc")
public class FilteredMapTest {

	Map<?,?> m3;

	//====================================================================================================
	// testBasic
	//====================================================================================================
	@Test
	public void testBasic() throws Exception {
		ObjectMap m = new ObjectMap("{a:'1',b:'2'}");

		ClassMeta<Map<String,Object>> cm = BeanContext.DEFAULT.getClassMeta(Map.class, String.class, Object.class);
		ClassMeta<Map<String,String>> cm2 = BeanContext.DEFAULT.getClassMeta(Map.class, String.class, String.class);

		FilteredMap<String,Object> m2 = new FilteredMap<String,Object>(cm, m, new String[]{"a"});

		assertObjectEquals("{a:'1'}", m2);

		m2.entrySet().iterator().next().setValue("3");
		assertObjectEquals("{a:'3'}", m2);

		try { m3 = new FilteredMap<String,String>(cm2, null, new String[0]); fail(); } catch (IllegalArgumentException e) {}
		try { m3 = new FilteredMap<String,Object>(cm, m, null); fail(); } catch (IllegalArgumentException e) {}
	}
}