2 // ExpressionTest_Not.cs
5 // Jb Evain (jbevain@novell.com)
7 // (C) 2008 Novell, Inc. (http://www.novell.com)
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30 using System.Reflection;
32 using System.Linq.Expressions;
33 using NUnit.Framework;
35 namespace MonoTests.System.Linq.Expressions
38 public class ExpressionTest_Not
41 [ExpectedException (typeof (ArgumentNullException))]
42 public void Arg1Null ()
44 Expression.Not (null);
48 [ExpectedException (typeof (ArgumentException))]
49 public void MethodArgNotStatic ()
51 Expression.Not (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryNotStatic"));
55 [ExpectedException (typeof (ArgumentException))]
56 public void MethodArgParameterCount ()
58 Expression.Not (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryParameterCount"));
62 [ExpectedException (typeof (ArgumentException))]
63 public void MethodArgReturnsVoid ()
65 Expression.Not (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryReturnVoid"));
71 var up = Expression.Not (1.ToConstant ());
72 Assert.AreEqual ("Not(1)", up.ToString ());
76 public void UserDefinedClass ()
78 var mi = typeof (OpClass).GetMethod ("op_LogicalNot");
80 var expr = Expression.Not (Expression.Constant (new OpClass ()));
81 Assert.AreEqual (ExpressionType.Not, expr.NodeType);
82 Assert.AreEqual (typeof (OpClass), expr.Type);
83 Assert.AreEqual (mi, expr.Method);
84 Assert.AreEqual ("op_LogicalNot", expr.Method.Name);
85 Assert.AreEqual ("Not(value(MonoTests.System.Linq.Expressions.OpClass))", expr.ToString ());
89 [Category ("NotWorking")]
90 public void NotNullableInt32 ()
92 var n = Expression.Not (Expression.Parameter (typeof (int?), ""));
93 Assert.AreEqual (typeof (int?), n.Type);
94 Assert.IsTrue (n.IsLifted);
95 Assert.IsTrue (n.IsLiftedToNull);
96 Assert.IsNull (n.Method);
100 [Category ("NotWorking")]
101 public void NotNullableBool ()
103 var n = Expression.Not (Expression.Parameter (typeof (bool?), ""));
104 Assert.AreEqual (typeof (bool?), n.Type);
105 Assert.IsTrue (n.IsLifted);
106 Assert.IsTrue (n.IsLiftedToNull);
107 Assert.IsNull (n.Method);