1 // 2 // ExpressionTest_NewArrayBounds.cs 3 // 4 // Author: 5 // Jb Evain (jbevain@novell.com) 6 // 7 // (C) 2008 Novell, Inc. (http://www.novell.com) 8 // 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: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 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 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 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. 27 // 28 29 using System; 30 using System.Reflection; 31 using System.Linq; 32 using System.Linq.Expressions; 33 34 using NUnit.Framework; 35 36 namespace MonoTests.System.Linq.Expressions { 37 38 [TestFixture] 39 public class ExpressionTest_NewArrayBounds { 40 41 [Test] 42 [ExpectedException (typeof (ArgumentNullException))] ArgTypeNull()43 public void ArgTypeNull () 44 { 45 Expression.NewArrayBounds (null, new Expression [0]); 46 } 47 48 [Test] 49 [ExpectedException (typeof (ArgumentNullException))] ArgBoundsNull()50 public void ArgBoundsNull () 51 { 52 Expression.NewArrayBounds (typeof (int), null); 53 } 54 55 [Test] 56 [ExpectedException (typeof (ArgumentException))] ArgBoundsContainsExpressionTypeNotInteger()57 public void ArgBoundsContainsExpressionTypeNotInteger () 58 { 59 Expression.NewArrayBounds (typeof (int), 1.ToConstant (), "2".ToConstant ()); 60 } 61 62 [Test] 63 [Category ("NotDotNet")] 64 [ExpectedException (typeof (ArgumentException))] NewVoid()65 public void NewVoid () 66 { 67 Expression.NewArrayBounds (typeof (void), 1.ToConstant ()); 68 } 69 70 [Test] TestArrayBounds()71 public void TestArrayBounds () 72 { 73 var ab = Expression.NewArrayBounds (typeof (int), 1.ToConstant (), 2.ToConstant ()); 74 Assert.AreEqual (typeof (int [,]), ab.Type); 75 Assert.AreEqual (2, ab.Expressions.Count); 76 Assert.AreEqual ("new System.Int32[,](1, 2)", ab.ToString ()); 77 } 78 CreateNewArrayFactory(params int [] bounds)79 static Func<object> CreateNewArrayFactory<T> (params int [] bounds) 80 { 81 return Expression.Lambda<Func<object>> ( 82 Expression.NewArrayBounds ( 83 typeof (T), 84 (from bound in bounds select bound.ToConstant ()).ToArray ())).Compile (); 85 } 86 87 [Test] TestArrayAssignability()88 public void TestArrayAssignability () 89 { 90 Expression.Lambda<Func<int []>> ( 91 Expression.NewArrayBounds ( 92 typeof (int), 93 4.ToConstant ())); 94 } 95 96 [Test] CompileNewArraySingleDimensional()97 public void CompileNewArraySingleDimensional () 98 { 99 var factory = CreateNewArrayFactory<int> (3); 100 101 var array = (int []) factory (); 102 var type = array.GetType (); 103 104 Assert.IsNotNull (array); 105 Assert.AreEqual (3, array.Length); 106 Assert.IsTrue (type.IsArray); 107 Assert.AreEqual (1, type.GetArrayRank ()); 108 } 109 110 [Test] CompileNewArrayMultiDimensional()111 public void CompileNewArrayMultiDimensional () 112 { 113 var factory = CreateNewArrayFactory<int> (3, 3); 114 115 var array = (int [,]) factory (); 116 var type = array.GetType (); 117 118 Assert.IsNotNull (array); 119 Assert.IsTrue (type.IsArray); 120 Assert.AreEqual (2, type.GetArrayRank ()); 121 Assert.AreEqual (9, array.Length); 122 } 123 } 124 } 125