class/System.Core/Test/System.Linq.Expressions/ExpressionTest_ElementInit.cs

   1 //
   2 // ExpressionTest_ElementInit.cs
   3 //
   4 // Author:
   5 //   olivier Dufour (olivier.duff@gmail.com)
   6 //
   7 // (C) 2008 Novell, Inc. (http://www.novell.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;
  30 using System.Reflection;
  31 using System.Collections.Generic;
  32 using System.Linq;
  33 using System.Linq.Expressions;
  34 using NUnit.Framework;
  35
  36 namespace MonoTests.System.Linq.Expressions {
  37
  38         [TestFixture]
  39         public class ExpressionTest_ElementInit {
  40
  41                 [Test]
  42                 [ExpectedException (typeof (ArgumentNullException))]
  43                 public void MethodNull ()
  44                 {
  45                         Expression.ElementInit (null, new Expression [] {});
  46                 }
  47
  48                 [Test]
  49                 [ExpectedException (typeof (ArgumentNullException))]
  50                 public void ArgNull ()
  51                 {
  52                         Expression.ElementInit (typeof (Foo).GetMethod ("Add"), null);
  53                 }
  54
  55                 [Test]
  56                 [ExpectedException (typeof (ArgumentException))]
  57                 public void MethodNameDoesntMatchAdd ()
  58                 {
  59                         Expression.ElementInit (typeof (Foo).GetMethod ("Bar"), new Expression [] {});
  60                 }
  61
  62                 [Test]
  63                 [ExpectedException (typeof (ArgumentException))]
  64                 public void AddMethodIsNotAnInstanceMethod ()
  65                 {
  66                         Expression.ElementInit (typeof (Bar).GetMethod ("Add"), new Expression [] {});
  67                 }
  68
  69                 [Test]
  70                 [ExpectedException (typeof (ArgumentException))]
  71                 public void MethodArgumentCountDoesnMatchParameterLength ()
  72                 {
  73                         Expression.ElementInit (typeof (Foo).GetMethod ("Add"), new Expression [] {});
  74
  75                 }
  76
  77                 [Test]
  78                 [ExpectedException (typeof (ArgumentNullException))]
  79                 public void MethodHasNullArgument ()
  80                 {
  81                         Expression.ElementInit (typeof (Foo).GetMethod ("Add"), new Expression [] {null});
  82                 }
  83
  84                 [Test]
  85                 [ExpectedException (typeof (ArgumentException))]
  86                 public void MethodArgumentDoesntMatchParameterType ()
  87                 {
  88                         Expression.ElementInit (typeof (Foo).GetMethod ("Add"), new Expression [] {Expression.Constant (1)});
  89                 }
  90
  91                 [Test]
  92                 public void ElementInitToString ()
  93                 {
  94                         var ElementInit = Expression.ElementInit (typeof (Foo).GetMethod ("Add"), new Expression [] {Expression.Constant ("")});
  95
  96                         Assert.AreEqual ("Void Add(System.String)(\"\")", ElementInit.ToString ());
  97                 }
  98
  99                 public class Foo {
 100                         public void Add (string s)
 101                         {
 102                         }
 103
 104                         public void Bar ()
 105                         {
 106                         }
 107                 }
 108
 109                 public static class Bar {
 110                         public static void Add ()
 111                         {
 112                         }
 113                 }
 114         }
 115 }