102 lines
2.8 KiB
C#
102 lines
2.8 KiB
C#
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using NUnit.Framework;
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using LuceneTestCase = Lucene.Net.Util.LuceneTestCase;
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namespace Lucene.Net.Documents
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{
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[TestFixture]
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public class TestNumberTools:LuceneTestCase
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{
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[Test]
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public virtual void TestNearZero()
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{
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for (int i = - 100; i <= 100; i++)
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{
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for (int j = - 100; j <= 100; j++)
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{
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SubtestTwoLongs(i, j);
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}
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}
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}
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[Test]
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public virtual void TestMax()
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{
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// make sure the constants convert to their equivelents
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Assert.AreEqual(System.Int64.MaxValue, NumberTools.StringToLong(NumberTools.MAX_STRING_VALUE));
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Assert.AreEqual(NumberTools.MAX_STRING_VALUE, NumberTools.LongToString(System.Int64.MaxValue));
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// test near MAX, too
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for (long l = System.Int64.MaxValue; l > System.Int64.MaxValue - 10000; l--)
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{
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SubtestTwoLongs(l, l - 1);
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}
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}
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[Test]
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public virtual void TestMin()
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{
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// make sure the constants convert to their equivelents
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Assert.AreEqual(System.Int64.MinValue, NumberTools.StringToLong(NumberTools.MIN_STRING_VALUE));
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Assert.AreEqual(NumberTools.MIN_STRING_VALUE, NumberTools.LongToString(System.Int64.MinValue));
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// test near MIN, too
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for (long l = System.Int64.MinValue; l < System.Int64.MinValue + 10000; l++)
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{
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SubtestTwoLongs(l, l + 1);
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}
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}
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private static void SubtestTwoLongs(long i, long j)
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{
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// convert to strings
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System.String a = NumberTools.LongToString(i);
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System.String b = NumberTools.LongToString(j);
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// are they the right length?
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Assert.AreEqual(NumberTools.STR_SIZE, a.Length);
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Assert.AreEqual(NumberTools.STR_SIZE, b.Length);
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// are they the right order?
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if (i < j)
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{
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Assert.IsTrue(String.CompareOrdinal(a, b) < 0);
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}
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else if (i > j)
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{
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Assert.IsTrue(String.CompareOrdinal(a, b) > 0);
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}
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else
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{
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Assert.AreEqual(a, b);
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}
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// can we convert them back to longs?
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long i2 = NumberTools.StringToLong(a);
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long j2 = NumberTools.StringToLong(b);
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Assert.AreEqual(i, i2);
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Assert.AreEqual(j, j2);
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}
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}
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} |