| using Lucene.Net.Analysis.TokenAttributes; |
| using NUnit.Framework; |
| using System; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net.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. |
| */ |
| |
| using BytesRef = Lucene.Net.Util.BytesRef; |
| using CharTermAttribute = Lucene.Net.Analysis.TokenAttributes.CharTermAttribute; |
| using ICharTermAttribute = Lucene.Net.Analysis.TokenAttributes.ICharTermAttribute; |
| using NumericUtils = Lucene.Net.Util.NumericUtils; |
| |
| [TestFixture] |
| public class TestNumericTokenStream : BaseTokenStreamTestCase |
| { |
| internal const long lvalue = 4573245871874382L; |
| internal const int ivalue = 123456; |
| |
| [NUnit.Framework.Test] |
| public virtual void TestLongStream() |
| { |
| using NumericTokenStream stream = (new NumericTokenStream()).SetInt64Value(lvalue); |
| // use getAttribute to test if attributes really exist, if not an IAE will be throwed |
| ITermToBytesRefAttribute bytesAtt = stream.GetAttribute<ITermToBytesRefAttribute>(); |
| ITypeAttribute typeAtt = stream.GetAttribute<ITypeAttribute>(); |
| NumericTokenStream.INumericTermAttribute numericAtt = stream.GetAttribute<NumericTokenStream.INumericTermAttribute>(); |
| BytesRef bytes = bytesAtt.BytesRef; |
| stream.Reset(); |
| Assert.AreEqual(64, numericAtt.ValueSize); |
| for (int shift = 0; shift < 64; shift += NumericUtils.PRECISION_STEP_DEFAULT) |
| { |
| Assert.IsTrue(stream.IncrementToken(), "New token is available"); |
| Assert.AreEqual(shift, numericAtt.Shift, "Shift value wrong"); |
| bytesAtt.FillBytesRef(); |
| Assert.AreEqual(lvalue & ~((1L << shift) - 1L), NumericUtils.PrefixCodedToInt64(bytes), "Term is incorrectly encoded"); |
| Assert.AreEqual(lvalue & ~((1L << shift) - 1L), numericAtt.RawValue, "Term raw value is incorrectly encoded"); |
| Assert.AreEqual((shift == 0) ? NumericTokenStream.TOKEN_TYPE_FULL_PREC : NumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.Type, "Type incorrect"); |
| } |
| Assert.IsFalse(stream.IncrementToken(), "More tokens available"); |
| stream.End(); |
| } |
| |
| [NUnit.Framework.Test] |
| public virtual void TestIntStream() |
| { |
| NumericTokenStream stream = (new NumericTokenStream()).SetInt32Value(ivalue); |
| // use getAttribute to test if attributes really exist, if not an IAE will be throwed |
| ITermToBytesRefAttribute bytesAtt = stream.GetAttribute<ITermToBytesRefAttribute>(); |
| ITypeAttribute typeAtt = stream.GetAttribute<ITypeAttribute>(); |
| NumericTokenStream.INumericTermAttribute numericAtt = stream.GetAttribute<NumericTokenStream.INumericTermAttribute>(); |
| BytesRef bytes = bytesAtt.BytesRef; |
| stream.Reset(); |
| Assert.AreEqual(32, numericAtt.ValueSize); |
| for (int shift = 0; shift < 32; shift += NumericUtils.PRECISION_STEP_DEFAULT) |
| { |
| Assert.IsTrue(stream.IncrementToken(), "New token is available"); |
| Assert.AreEqual(shift, numericAtt.Shift, "Shift value wrong"); |
| bytesAtt.FillBytesRef(); |
| Assert.AreEqual(ivalue & ~((1 << shift) - 1), NumericUtils.PrefixCodedToInt32(bytes), "Term is incorrectly encoded"); |
| Assert.AreEqual(((long)ivalue) & ~((1L << shift) - 1L), numericAtt.RawValue, "Term raw value is incorrectly encoded"); |
| Assert.AreEqual((shift == 0) ? NumericTokenStream.TOKEN_TYPE_FULL_PREC : NumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.Type, "Type incorrect"); |
| } |
| Assert.IsFalse(stream.IncrementToken(), "More tokens available"); |
| stream.End(); |
| stream.Dispose(); |
| } |
| |
| [NUnit.Framework.Test] |
| public virtual void TestNotInitialized() |
| { |
| NumericTokenStream stream = new NumericTokenStream(); |
| |
| try |
| { |
| stream.Reset(); |
| Assert.Fail("reset() should not succeed."); |
| } |
| catch (Exception) |
| { |
| // pass |
| } |
| |
| try |
| { |
| stream.IncrementToken(); |
| Assert.Fail("IncrementToken() should not succeed."); |
| } |
| catch (Exception) |
| { |
| // pass |
| } |
| } |
| |
| public interface ITestAttribute : ICharTermAttribute |
| { |
| } |
| |
| public class TestAttribute : CharTermAttribute, ITestAttribute |
| { |
| } |
| |
| [NUnit.Framework.Test] |
| public virtual void TestCTA() |
| { |
| NumericTokenStream stream = new NumericTokenStream(); |
| try |
| { |
| stream.AddAttribute<ICharTermAttribute>(); |
| Assert.Fail("Succeeded to add CharTermAttribute."); |
| } |
| catch (ArgumentException iae) |
| { |
| Assert.IsTrue(iae.Message.StartsWith("NumericTokenStream does not support", StringComparison.Ordinal)); |
| } |
| try |
| { |
| stream.AddAttribute<ITestAttribute>(); |
| Assert.Fail("Succeeded to add TestAttribute."); |
| } |
| catch (ArgumentException iae) |
| { |
| Assert.IsTrue(iae.Message.StartsWith("NumericTokenStream does not support", StringComparison.Ordinal)); |
| } |
| } |
| } |
| } |