add read/write test for TailLOUDSTrie.

trie4j/src/test/java/org/trie4j/io/RWTest.java

@@ -0,0 +1,36 @@
+package org.trie4j.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.trie4j.Trie;
+import org.trie4j.louds.TailLOUDSTrie;
+import org.trie4j.louds.bvtree.LOUDSPPBvTree;
+import org.trie4j.patricia.PatriciaTrie;
+import org.trie4j.tail.SuffixTrieDenseTailArrayBuilder;
+
+
+public class RWTest {
+	@Test
+	public void test() throws Throwable{
+		Trie ot = new PatriciaTrie();
+		ot.insert("hello");
+		ot.insert("hell");
+		ot.insert("world");
+		Trie t2 = new TailLOUDSTrie(ot, new LOUDSPPBvTree(ot.nodeSize()),
+				new SuffixTrieDenseTailArrayBuilder());
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		new TrieWriter(baos).write(t2);
+		Trie t3 = new TrieReader(new ByteArrayInputStream(baos.toByteArray()))
+			.read();
+		Assert.assertEquals(t2.getClass(), t3.getClass());
+		Assert.assertEquals(t2.size(), t3.size());
+		Assert.assertEquals(t2.nodeSize(), t3.nodeSize());
+		for(String w : t2.predictiveSearch("")) {
+			Assert.assertTrue(t3.contains(w));
+		}
+
+	}
+}