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

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package org.apache.juneau.utils;

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

import java.io.*;

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

@SuppressWarnings("javadoc")
public class ByteArrayCacheTest {

	//====================================================================================================
	// testBasic
	//====================================================================================================
	@Test
	public void testBasic() throws Exception {
		ByteArrayCache bac = new ByteArrayCache();
		byte[] b;

		b = bac.cache(new byte[]{1,2,3});
		assertObjectEquals("[1,2,3]", b);
		assertEquals(1, bac.size());

		b = bac.cache(new byte[]{1,2,3});
		assertObjectEquals("[1,2,3]", b);
		assertEquals(1, bac.size());

		b = bac.cache(new byte[]{1,2,3,4});
		assertObjectEquals("[1,2,3,4]", b);
		b = bac.cache(new byte[]{1,2});
		assertObjectEquals("[1,2]", b);
		assertEquals(3, bac.size());

		b = bac.cache(new byte[]{});
		assertObjectEquals("[]", b);

		b = bac.cache((byte[])null);
		assertNull(b);

		b = bac.cache((InputStream)null);
		assertNull(b);

		b = bac.cache(new ByteArrayInputStream(new byte[]{1,2,3}));
		assertObjectEquals("[1,2,3]", b);
		assertEquals(4, bac.size());
	}
}