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// <file>
// <copyright see="prj:///doc/copyright.txt"/>
// <license see="prj:///doc/license.txt"/>
// <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
// <version>$Revision: 1609 $</version>
// </file>
using System;
using System.IO;
using NUnit.Framework;
using ICSharpCode.NRefactory.Parser;
using ICSharpCode.NRefactory.Ast;
namespace ICSharpCode.NRefactory.Tests.Ast
{
[TestFixture]
public class YieldStatementTests
{
[Test]
public void YieldReturnStatementTest()
{
YieldStatement yieldStmt = ParseUtilCSharp.ParseStatement<YieldStatement>("yield return \"Foo\";");
Assert.IsTrue(yieldStmt.IsYieldReturn);
ReturnStatement retStmt = (ReturnStatement)yieldStmt.Statement;
PrimitiveExpression expr = (PrimitiveExpression)retStmt.Expression;
Assert.AreEqual("Foo", expr.Value);
}
[Test]
public void YieldBreakStatementTest()
{
YieldStatement yieldStmt = ParseUtilCSharp.ParseStatement<YieldStatement>("yield break;");
Assert.IsTrue(yieldStmt.IsYieldBreak);
}
[Test]
public void YieldAsVariableTest()
{
ExpressionStatement se = ParseUtilCSharp.ParseStatement<ExpressionStatement>("yield = 3;");
AssignmentExpression ae = se.Expression as AssignmentExpression;
Assert.AreEqual(AssignmentOperatorType.Assign, ae.Op);
Assert.IsTrue(ae.Left is IdentifierExpression);
Assert.AreEqual("yield", ((IdentifierExpression)ae.Left).Identifier);
Assert.IsTrue(ae.Right is PrimitiveExpression);
}
}
}
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