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//
// ExpressionTest_NewArrayBounds.cs
//
// Author:
// Jb Evain (jbevain@novell.com)
//
// (C) 2008 Novell, Inc. (http://www.novell.com)
//
// 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Reflection;
using System.Linq;
using System.Linq.Expressions;
using NUnit.Framework;
namespace MonoTests.System.Linq.Expressions {
[TestFixture]
public class ExpressionTest_NewArrayBounds {
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void ArgTypeNull ()
{
Expression.NewArrayBounds (null, new Expression [0]);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void ArgBoundsNull ()
{
Expression.NewArrayBounds (typeof (int), null);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void ArgBoundsContainsExpressionTypeNotInteger ()
{
Expression.NewArrayBounds (typeof (int), 1.ToConstant (), "2".ToConstant ());
}
[Test]
[Category ("NotDotNet")]
[ExpectedException (typeof (ArgumentException))]
public void NewVoid ()
{
Expression.NewArrayBounds (typeof (void), 1.ToConstant ());
}
[Test]
public void TestArrayBounds ()
{
var ab = Expression.NewArrayBounds (typeof (int), 1.ToConstant (), 2.ToConstant ());
Assert.AreEqual (typeof (int [,]), ab.Type);
Assert.AreEqual (2, ab.Expressions.Count);
Assert.AreEqual ("new System.Int32[,](1, 2)", ab.ToString ());
}
static Func<object> CreateNewArrayFactory<T> (params int [] bounds)
{
return Expression.Lambda<Func<object>> (
Expression.NewArrayBounds (
typeof (T),
(from bound in bounds select bound.ToConstant ()).ToArray ())).Compile ();
}
[Test]
public void TestArrayAssignability ()
{
Expression.Lambda<Func<int []>> (
Expression.NewArrayBounds (
typeof (int),
4.ToConstant ()));
}
[Test]
public void CompileNewArraySingleDimensional ()
{
var factory = CreateNewArrayFactory<int> (3);
var array = (int []) factory ();
var type = array.GetType ();
Assert.IsNotNull (array);
Assert.AreEqual (3, array.Length);
Assert.IsTrue (type.IsArray);
Assert.AreEqual (1, type.GetArrayRank ());
}
[Test]
public void CompileNewArrayMultiDimensional ()
{
var factory = CreateNewArrayFactory<int> (3, 3);
var array = (int [,]) factory ();
var type = array.GetType ();
Assert.IsNotNull (array);
Assert.IsTrue (type.IsArray);
Assert.AreEqual (2, type.GetArrayRank ());
Assert.AreEqual (9, array.Length);
}
}
}
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