2 // ExpressionTest_GreaterThanOrEqual.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_GreaterThanOrEqual
41 [ExpectedException (typeof (ArgumentNullException))]
42 public void Arg1Null ()
44 Expression.GreaterThanOrEqual (null, Expression.Constant (1));
48 [ExpectedException (typeof (ArgumentNullException))]
49 public void Arg2Null ()
51 Expression.GreaterThanOrEqual (Expression.Constant (1), null);
55 [ExpectedException (typeof (InvalidOperationException))]
56 public void NoOperatorClass ()
58 Expression.GreaterThanOrEqual (Expression.Constant (new NoOpClass ()), Expression.Constant (new NoOpClass ()));
64 var expr = Expression.GreaterThanOrEqual (Expression.Constant (2.0), Expression.Constant (1.0));
65 Assert.AreEqual (ExpressionType.GreaterThanOrEqual, expr.NodeType);
66 Assert.AreEqual (typeof (bool), expr.Type);
67 Assert.IsNull (expr.Method);
68 Assert.AreEqual ("(2 >= 1)", expr.ToString ());
72 public void Integer ()
74 var expr = Expression.GreaterThanOrEqual (Expression.Constant (2), Expression.Constant (1));
75 Assert.AreEqual (ExpressionType.GreaterThanOrEqual, expr.NodeType);
76 Assert.AreEqual (typeof (bool), expr.Type);
77 Assert.IsNull (expr.Method);
78 Assert.AreEqual ("(2 >= 1)", expr.ToString ());
82 [ExpectedException (typeof (InvalidOperationException))]
83 public void MismatchedTypes ()
85 Expression.GreaterThanOrEqual (Expression.Constant (new OpClass ()), Expression.Constant (true));
89 [ExpectedException (typeof (InvalidOperationException))]
90 public void Boolean ()
92 Expression.GreaterThanOrEqual (Expression.Constant (true), Expression.Constant (false));
96 public void UserDefinedClass ()
98 MethodInfo mi = typeof (OpClass).GetMethod ("op_GreaterThanOrEqual");
100 Assert.IsNotNull (mi);
102 BinaryExpression expr = Expression.GreaterThanOrEqual (Expression.Constant (new OpClass ()), Expression.Constant (new OpClass ()));
103 Assert.AreEqual (ExpressionType.GreaterThanOrEqual, expr.NodeType);
104 Assert.AreEqual (typeof (bool), expr.Type);
105 Assert.AreEqual (mi, expr.Method);
106 Assert.AreEqual ("op_GreaterThanOrEqual", expr.Method.Name);
107 Assert.AreEqual ("(value(MonoTests.System.Linq.Expressions.OpClass) >= value(MonoTests.System.Linq.Expressions.OpClass))", expr.ToString ());