/mcs/class/System.Core/Test/System.Linq.Expressions/ExpressionTest_Quote.cs
C# | 79 lines | 47 code | 11 blank | 21 comment | 0 complexity | 39bf1ff69b2f914abb7f349d65e98c91 MD5 | raw file
Possible License(s): LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0, LGPL-2.1
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- //
- // Authors:
- // Federico Di Gregorio <fog@initd.org>
- using System;
- using System.Reflection;
- using System.Linq;
- using System.Linq.Expressions;
- using NUnit.Framework;
- namespace MonoTests.System.Linq.Expressions
- {
- [TestFixture]
- public class ExpressionTest_Quote
- {
- [Test]
- [ExpectedException (typeof (ArgumentNullException))]
- public void Arg1Null ()
- {
- Expression.Quote (null);
- }
- [Test]
- public void Constant ()
- {
- UnaryExpression expr = Expression.Quote (Expression.Constant (1));
- Assert.AreEqual (ExpressionType.Quote, expr.NodeType, "Quote#01");
- Assert.AreEqual (typeof (ConstantExpression), expr.Type, "Quote#02");
- Assert.AreEqual ("1", expr.ToString(), "Quote#03");
- }
- [Test]
- public void CompiledQuote ()
- {
- var quote42 = Expression.Lambda<Func<Expression<Func<int>>>> (
- Expression.Quote (
- Expression.Lambda<Func<int>> (
- 42.ToConstant ()))).Compile ();
- var get42 = quote42 ().Compile ();
- Assert.AreEqual (42, get42 ());
- }
- [Test]
- public void ParameterInQuotedExpression () // #550722
- {
- // Expression<Func<string, Expression<Func<string>>>> e = (string s) => () => s;
- var s = Expression.Parameter (typeof (string), "s");
- var lambda = Expression.Lambda<Func<string, Expression<Func<string>>>> (
- Expression.Quote (
- Expression.Lambda<Func<string>> (s, new ParameterExpression [0])),
- s);
- var fs = lambda.Compile () ("bingo").Compile ();
- Assert.AreEqual ("bingo", fs ());
- }
- }
- }