--- /dev/null
+package org.apache.lucene.analysis;
+
+/**
+ * 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.NumericUtils;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
+
+public class TestNumericTokenStream extends BaseTokenStreamTestCase {
+
+ static final long lvalue = 4573245871874382L;
+ static final int ivalue = 123456;
+
+ public void testLongStream() throws Exception {
+ final NumericTokenStream stream=new NumericTokenStream().setLongValue(lvalue);
+ // use getAttribute to test if attributes really exist, if not an IAE will be throwed
+ final CharTermAttribute termAtt = stream.getAttribute(CharTermAttribute.class);
+ final TypeAttribute typeAtt = stream.getAttribute(TypeAttribute.class);
+ for (int shift=0; shift<64; shift+=NumericUtils.PRECISION_STEP_DEFAULT) {
+ assertTrue("New token is available", stream.incrementToken());
+ assertEquals("Term is correctly encoded", NumericUtils.longToPrefixCoded(lvalue, shift), termAtt.toString());
+ assertEquals("Type correct", (shift == 0) ? NumericTokenStream.TOKEN_TYPE_FULL_PREC : NumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.type());
+ }
+ assertFalse("No more tokens available", stream.incrementToken());
+ }
+
+ public void testIntStream() throws Exception {
+ final NumericTokenStream stream=new NumericTokenStream().setIntValue(ivalue);
+ // use getAttribute to test if attributes really exist, if not an IAE will be throwed
+ final CharTermAttribute termAtt = stream.getAttribute(CharTermAttribute.class);
+ final TypeAttribute typeAtt = stream.getAttribute(TypeAttribute.class);
+ for (int shift=0; shift<32; shift+=NumericUtils.PRECISION_STEP_DEFAULT) {
+ assertTrue("New token is available", stream.incrementToken());
+ assertEquals("Term is correctly encoded", NumericUtils.intToPrefixCoded(ivalue, shift), termAtt.toString());
+ assertEquals("Type correct", (shift == 0) ? NumericTokenStream.TOKEN_TYPE_FULL_PREC : NumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.type());
+ }
+ assertFalse("No more tokens available", stream.incrementToken());
+ }
+
+ public void testNotInitialized() throws Exception {
+ final NumericTokenStream stream=new NumericTokenStream();
+
+ try {
+ stream.reset();
+ fail("reset() should not succeed.");
+ } catch (IllegalStateException e) {
+ // pass
+ }
+
+ try {
+ stream.incrementToken();
+ fail("incrementToken() should not succeed.");
+ } catch (IllegalStateException e) {
+ // pass
+ }
+ }
+
+}