/mcs/class/Mono.CSharp/Test/Evaluator/ExpressionsTest.cs
C# | 170 lines | 121 code | 22 blank | 27 comment | 0 complexity | a0b00f3fd65e21acd12b408913ab0f04 MD5 | raw file
Possible License(s): LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // 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
- }
- }