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+//
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+// ExpressionTest_UnaryPlus.cs
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+//
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+// Author:
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+// Jb Evain ([email protected])
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+//
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+// (C) 2008 Novell, Inc. (http://www.novell.com)
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining
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+// a copy of this software and associated documentation files (the
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+// "Software"), to deal in the Software without restriction, including
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+// without limitation the rights to use, copy, modify, merge, publish,
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+// distribute, sublicense, and/or sell copies of the Software, and to
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+// permit persons to whom the Software is furnished to do so, subject to
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+// the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be
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+// included in all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+//
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+
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+using System;
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+using System.Reflection;
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+using System.Linq;
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+using System.Linq.Expressions;
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+using NUnit.Framework;
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+
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+namespace MonoTests.System.Linq.Expressions
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+{
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+ [TestFixture]
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+ public class ExpressionTest_UnaryPlus
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+ {
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+ [Test]
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+ [ExpectedException (typeof (ArgumentNullException))]
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+ public void Arg1Null ()
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+ {
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+ Expression.UnaryPlus (null);
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+ }
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+
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+ [Test]
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+ [ExpectedException (typeof (ArgumentException))]
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+ public void MethodArgNotStatic ()
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+ {
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+ Expression.UnaryPlus (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryNotStatic"));
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+ }
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+
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+ [Test]
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+ [ExpectedException (typeof (ArgumentException))]
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+ public void MethodArgParameterCount ()
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+ {
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+ Expression.UnaryPlus (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryParameterCount"));
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+ }
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+
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+ [Test]
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+ [ExpectedException (typeof (ArgumentException))]
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+ public void MethodArgReturnsVoid ()
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+ {
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+ Expression.UnaryPlus (Expression.Constant (new object ()), typeof (OpClass).GetMethod ("WrongUnaryReturnVoid"));
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+ }
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+
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+ [Test]
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+ public void Number ()
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+ {
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+ var up = Expression.UnaryPlus (Expression.Constant (1));
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+ Assert.AreEqual ("+1", up.ToString ());
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+ }
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+
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+ [Test]
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+ public void UserDefinedClass ()
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+ {
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+ var mi = typeof (OpClass).GetMethod ("op_UnaryPlus");
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+
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+ var expr = Expression.UnaryPlus (Expression.Constant (new OpClass ()));
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+ Assert.AreEqual (ExpressionType.UnaryPlus, expr.NodeType);
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+ Assert.AreEqual (typeof (OpClass), expr.Type);
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+ Assert.AreEqual (mi, expr.Method);
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+ Assert.AreEqual ("op_UnaryPlus", expr.Method.Name);
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+ Assert.AreEqual ("+value(MonoTests.System.Linq.Expressions.OpClass)", expr.ToString ());
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+ }
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+ }
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+}
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