class/System.Data.Services/Test/ExpandSegmentCollectionTests.cs

   1 //
   2 // ExpandSegmentCollectionTests.cs
   3 //
   4 // Author:
   5 //   Eric Maupin  <me@ermau.com>
   6 //
   7 // Copyright (c) 2009 Eric Maupin (http://www.ermau.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.Linq.Expressions;
  30 using NUnit.Framework;
  31
  32 namespace System.Data.Services.Tests {
  33         [TestFixture]
  34         public class ExpandSegmentCollectionTests {
  35                 [Test]
  36                 public void CtorCapacity()
  37                 {
  38                         var esc = new ExpandSegmentCollection (20);
  39                         Assert.AreEqual (20, esc.Capacity);
  40                 }
  41
  42                 [Test]
  43                 public void HasFilterInit()
  44                 {
  45                         var esc = new ExpandSegmentCollection();
  46                         Assert.IsFalse (esc.HasFilter);
  47                 }
  48
  49                 [Test]
  50                 public void HasFilterAddNull()
  51                 {
  52                         var esc = new ExpandSegmentCollection();
  53                         esc.Add (new ExpandSegment ("first", null));
  54                         Assert.IsFalse (esc.HasFilter);
  55                 }
  56
  57                 [Test]
  58                 public void HasFilterAddWithFilter()
  59                 {
  60                         var esc = new ExpandSegmentCollection();
  61                         esc.Add (new ExpandSegment ("first", null));
  62
  63                         var param = Expression.Parameter (typeof (bool), "b");
  64                         var filter = Expression.Lambda (param, param);
  65                         var filteredSegment = new ExpandSegment ("second", filter);
  66                         esc.Add (filteredSegment);
  67                         Assert.IsTrue (esc.HasFilter);
  68                 }
  69
  70                 [Test]
  71                 public void HasFilterRemoveFiltered()
  72                 {
  73                         var esc = new ExpandSegmentCollection();
  74                         esc.Add (new ExpandSegment ("first", null));
  75
  76                         var param = Expression.Parameter (typeof (bool), "b");
  77                         var filter = Expression.Lambda (param, param);
  78                         var filteredSegment = new ExpandSegment ("second", filter);
  79                         esc.Add (filteredSegment);
  80                         esc.Remove (filteredSegment);
  81
  82                         Assert.IsFalse (esc.HasFilter);
  83                 }
  84
  85                 [Test]
  86                 public void HasFilterRemoveFilteredMultiple()
  87                 {
  88                         var esc = new ExpandSegmentCollection();
  89                         esc.Add (new ExpandSegment ("first", null));
  90
  91                         var param = Expression.Parameter (typeof (bool), "b");
  92                         var filter = Expression.Lambda (param, param);
  93                         var filteredSegment = new ExpandSegment ("second", filter);
  94                         esc.Add (filteredSegment);
  95                         esc.Add (filteredSegment);
  96
  97                         esc.Remove (filteredSegment);
  98                         Assert.IsTrue (esc.HasFilter);
  99
 100                         esc.Remove (filteredSegment);
 101                         Assert.IsFalse (esc.HasFilter);
 102                 }
 103         }
 104 }