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//
// ExpressionsTest.cs
//
// Authors:
// Marek Safar <marek.safar@gmail.com>
//
// Copyright (C) 2012 Xamarin Inc (http://www.xamarin.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 NUnit.Framework;
using Mono.CSharp;
using System.Collections;
using System.Linq;
using System.Collections.Generic;
namespace MonoTests.EvaluatorTest
{
[TestFixture]
public class ExpressionsTest : EvaluatorFixture
{
[Test]
public void StatementExpression_1 ()
{
Evaluator.Run ("System.Console.WriteLine (100)");
}
[Test]
public void StatementExpression_2 ()
{
Evaluator.Run ("var a = new int [] {1,2,3}; var b = a.Length;");
}
[Test]
public void AnonymousType ()
{
Evaluator.Run ("var foo = new { Bar = \"baz\" };");
}
[Test]
public void Simple ()
{
object res;
res = Evaluator.Evaluate ("\"foo\" == \"bar\";");
Assert.AreEqual (false, res, "CompareString");
res = Evaluator.Evaluate ("var a = 1; a+2;");
Assert.AreEqual (3, res, "CompareInt");
res = Evaluator.Evaluate ("2 * 4;");
Assert.AreEqual (8, res, "Multiply");
}
[Test]
public void UsingAfterError ()
{
try {
Evaluator.Evaluate ("File.OpenRead (\"/etc/passwd\");");
Assert.Fail ("#1");
} catch {
}
Evaluator.Run ("using System.IO;");
Evaluator.Evaluate ("File.Exists (\"/etc/passwd\");");
}
[Test]
public void WithTypeBuilders ()
{
object res;
Evaluator.Run ("var a = new { A = 1 };");
res = Evaluator.Evaluate ("a.ToString ();");
Assert.AreEqual ("{ A = 1 }", res, "#1");
}
[Test]
public void LinqExpressions ()
{
Evaluator.Run ("using System; using System.Linq;");
Evaluator.Run ("var a = new int[]{1,2,3};");
object res = Evaluator.Evaluate ("from x in a select x + 1;");
CollectionAssert.AreEqual (new int[] { 2, 3, 4 }, ((IEnumerable<int>) res).ToArray ());
}
[Test]
public void LinqExpressionStatements ()
{
Evaluator.Run ("using System; using System.Linq;");
Evaluator.Run ("var first_scope = new int [] {1,2,3};");
Evaluator.Run ("var second_scope = from x in first_scope select x;");
}
[Test]
public void ReferenceLoading ()
{
Evaluator.ReferenceAssembly (typeof (ExpressionsTest).Assembly);
object res = Evaluator.Evaluate ("typeof (MonoTests.EvaluatorTest.ExpressionsTest) != null;");
Assert.AreEqual (true, res, "#1");
}
[Test]
public void PartialExpression ()
{
object eval_result;
bool result_set;
string sres = Evaluator.Evaluate ("1+", out eval_result, out result_set);
Assert.IsFalse (result_set, "No result should have been set");
Assert.AreEqual ("1+", sres, "The result should have been the input string, since we have a partial input");
}
[Test]
public void GotoWithUnreachableStatement ()
{
Evaluator.Run ("using System;");
string code = "var x = new Action(() => {" +
"Console.WriteLine(\"beforeGoto\");" +
"goto L;" +
"L:" +
"Console.WriteLine(\"afterGoto\");" +
"});";
Assert.IsTrue (Evaluator.Run (code), "#1");
Assert.IsTrue (Evaluator.Run ("x();"), "#2");
}
#if NET_4_0
[Test]
public void DynamicStatement ()
{
Evaluator.Run ("dynamic d = 1;");
Evaluator.Run ("d = 'a';");
Evaluator.Run ("d.GetType ();");
}
#endif
#if NET_4_5
[Test]
public void AwaitExpression ()
{
Evaluator.WaitOnTask = true;
var res = Evaluator.Evaluate("var res = await System.Threading.Tasks.Task.FromResult (1) + await System.Threading.Tasks.Task.FromResult (2);");
res = Evaluator.Evaluate ("res;");
Assert.AreEqual (3, res, "#1");
}
#endif
}
}
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