--- /dev/null
+package org.apache.lucene.search.vectorhighlight;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.lucene.util.LuceneTestCase;
+
+public class SimpleBoundaryScannerTest extends LuceneTestCase {
+ static final String TEXT =
+ "Apache Lucene(TM) is a high-performance, full-featured\ntext search engine library written entirely in Java.";
+
+ public void testFindStartOffset() throws Exception {
+ StringBuilder text = new StringBuilder(TEXT);
+ BoundaryScanner scanner = new SimpleBoundaryScanner();
+
+ // test out of range
+ int start = TEXT.length() + 1;
+ assertEquals(start, scanner.findStartOffset(text, start));
+ start = 0;
+ assertEquals(start, scanner.findStartOffset(text, start));
+
+ start = TEXT.indexOf("formance");
+ int expected = TEXT.indexOf("high-performance");
+ assertEquals(expected, scanner.findStartOffset(text, start));
+ }
+
+ public void testFindEndOffset() throws Exception {
+ StringBuilder text = new StringBuilder(TEXT);
+ BoundaryScanner scanner = new SimpleBoundaryScanner();
+
+ // test out of range
+ int start = TEXT.length() + 1;
+ assertEquals(start, scanner.findEndOffset(text, start));
+ start = -1;
+ assertEquals(start, scanner.findEndOffset(text, start));
+
+ start = TEXT.indexOf("full-");
+ int expected = TEXT.indexOf("\ntext");
+ assertEquals(expected, scanner.findEndOffset(text, start));
+ }
+}