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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using NUnit.Framework;
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namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
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public class IsExpressionTests
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public void GenericArrayIsExpression()
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ParseUtilCSharp.AssertExpression(
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"o is List<string>[]",
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Expression = new IdentifierExpression("o"),
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Type = new SimpleType("List") { TypeArguments = { new PrimitiveType("string") } }.MakeArrayType(1)
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public void NullableIsExpression()
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IsExpression ce = ParseUtilCSharp.ParseExpression<IsExpression>("o is int?");
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ComposedType type = (ComposedType)ce.Type;
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Assert.IsTrue(type.HasNullableSpecifier);
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Assert.AreEqual("int", ((PrimitiveType)type.BaseType).Keyword);
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Assert.IsTrue(ce.Expression is IdentifierExpression);
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public void NullableIsExpressionInBinaryOperatorExpression()
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BinaryOperatorExpression boe;
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boe = ParseUtilCSharp.ParseExpression<BinaryOperatorExpression>("o is int? == true");
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IsExpression ce = (IsExpression)boe.Left;
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ComposedType type = (ComposedType)ce.Type;
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Assert.IsTrue(type.HasNullableSpecifier);
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Assert.AreEqual("int", ((PrimitiveType)type.BaseType).Keyword);
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Assert.IsTrue(ce.Expression is IdentifierExpression);