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1 using System;
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2 using System.Linq;
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3 using System.Linq.Expressions;
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4
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5 using NUnit.Framework;
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6
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7 using BLToolkit.Linq;
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8
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9 namespace Data.Linq
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10 {
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11 using Model;
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12
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13 [TestFixture]
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14 public class GenerateTest : TestBase
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15 {
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16 [Test]
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17 public void GeneratePredicate()
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18 {
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19 Expression<Func<Person,bool>> a = x => x.FirstName == "John";
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20 Expression<Func<Person,bool>> b = x => x.LastName == "Pupkin";
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21
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22 var bBody = b.Body.Convert(e => e == b.Parameters[0] ? a.Parameters[0] : e);
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23 var predicate = Expression.Lambda<Func<Person,bool>>(Expression.AndAlso(a.Body, bBody), a.Parameters[0]);
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24
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25 using (var db = new TestDbManager())
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26 {
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27 var q = db.Person.Where(predicate);
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28 var p = q.First();
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29 }
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30 }
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31 }
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32 }
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