2 // ExpressionTest_Loop.cs
5 // Marek Safar (marek.safar@gmail.com)
7 // Copyright (C) 2016 Xamarin Inc (http://www.xamarin.com)
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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
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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.
30 using System.Reflection;
32 using System.Linq.Expressions;
34 using NUnit.Framework;
36 namespace MonoTests.System.Linq.Expressions {
39 public class ExpressionTest_Loop {
42 public void ComplexTest ()
44 var breakLabel = Expression.Label ("LoopBreak");
45 var counter = Expression.Variable (typeof (int), "counter");
47 var l = Expression.Block (new[] { counter },
48 Expression.Assign (counter, Expression.Constant (-1)),
50 Expression.Block (Expression.IfThenElse (
51 Expression.Equal (Expression.Assign (counter, Expression.Add (counter, Expression.Constant (1))), Expression.Constant (1000)),
52 Expression.Block (Expression.Break (breakLabel)),
53 Expression.Call (null, typeof (Console).GetMethod ("WriteLine", new Type[] { typeof (int) }), counter)
58 var res = Expression.Lambda<Action> (l).Compile ();
62 public void ComplexTest_2 ()
64 var breakLabel = Expression.Label ("LoopBreak");
65 var counter = Expression.Variable (typeof (int), "counter");
67 var l = Expression.Block (new[] { counter },
68 Expression.Assign (counter, Expression.Constant(-1)),
70 Expression.IfThenElse (
71 Expression.Equal (Expression.Assign (counter, Expression.Add (counter, Expression.Constant (1))), Expression.Constant (1000)),
72 Expression.Break (breakLabel),
73 Expression.Call (null, typeof (Console).GetMethod ("WriteLine", new Type[] { typeof (int) }), counter)
78 var res = Expression.Lambda<Action> (l).Compile ();