new small test case to increase code coverage of the tests

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@208806 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/lucene/index/TestWordlistLoader.java

@@ -0,0 +1,46 @@
+package org.apache.lucene.index;
+
+/**
+ * Copyright 2005 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.HashSet;
+
+import junit.framework.TestCase;
+
+import org.apache.lucene.analysis.WordlistLoader;
+
+public class TestWordlistLoader extends TestCase {
+
+  public void testWordlistLoading() throws IOException {
+    String s = "ONE\n  two \nthree";
+    HashSet wordSet1 = WordlistLoader.getWordSet(new StringReader(s));
+    checkSet(wordSet1);
+    HashSet wordSet2 = WordlistLoader.getWordSet(new BufferedReader(new StringReader(s)));
+    checkSet(wordSet2);
+  }
+  
+  private void checkSet(HashSet wordset) {
+    assertEquals(3, wordset.size());
+    assertTrue(wordset.contains("ONE"));		// case is not modified
+    assertTrue(wordset.contains("two"));		// surrounding whitespace is removed
+    assertTrue(wordset.contains("three"));
+    assertFalse(wordset.contains("four"));
+  }
+
+}