pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / backwards / src / test / org / apache / lucene / analysis / TestNumericTokenStream.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestNumericTokenStream.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestNumericTokenStream.java
new file mode 100644 (file)
index 0000000..6571170
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/analysis/TestNumericTokenStream.java
@@ -0,0 +1,73 @@
+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
+    }
+  }
+  
+}