Merge pull request #1899 from saper/resgencond
[mono.git] / mcs / class / System.Core / Test / System.Linq.Expressions / ExpressionTest_Quote.cs
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2 // a copy of this software and associated documentation files (the
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7 // the following conditions:
8 //
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
11 //
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 //
19 // Authors:
20 //              Federico Di Gregorio <fog@initd.org>
21
22 using System;
23 using System.Reflection;
24 using System.Linq;
25 using System.Linq.Expressions;
26 using NUnit.Framework;
27
28 namespace MonoTests.System.Linq.Expressions
29 {
30         [TestFixture]
31         public class ExpressionTest_Quote
32         {
33                 [Test]
34                 [ExpectedException (typeof (ArgumentNullException))]
35                 public void Arg1Null ()
36                 {
37                         Expression.Quote (null);
38                 }
39
40                 [Test]
41                 [ExpectedException (typeof (ArgumentException))]
42                 public void QuoteConstant ()
43                 {
44                         Expression.Quote (Expression.Constant (1));
45                 }
46
47                 [Test]
48                 public void CompiledQuote ()
49                 {
50                         var quote42 = Expression.Lambda<Func<Expression<Func<int>>>> (
51                                 Expression.Quote (
52                                         Expression.Lambda<Func<int>> (
53                                                 42.ToConstant ()))).Compile ();
54
55                         var get42 = quote42 ().Compile ();
56
57                         Assert.AreEqual (42, get42 ());
58                 }
59
60                 [Test]
61                 [Category ("NotWorkingInterpreter")]
62                 public void ParameterInQuotedExpression () // #550722
63                 {
64                         // Expression<Func<string, Expression<Func<string>>>> e = (string s) => () => s;
65
66                         var s = Expression.Parameter (typeof (string), "s");
67
68                         var lambda = Expression.Lambda<Func<string, Expression<Func<string>>>> (
69                                 Expression.Quote (
70                                         Expression.Lambda<Func<string>> (s, new ParameterExpression [0])),
71                                 s);
72
73                         var fs = lambda.Compile () ("bingo").Compile ();
74
75                         Assert.AreEqual ("bingo", fs ());
76                 }
77         }
78 }