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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// 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;
namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
{
[TestFixture]
public class DefaultValueExpressionTests
{
[Test]
public void SimpleDefaultValue()
{
DefaultValueExpression toe = ParseUtilCSharp.ParseExpression<DefaultValueExpression>("default(T)");
Assert.AreEqual("T", ((SimpleType)toe.Type).Identifier);
}
[Test]
public void FullQualifiedDefaultValue()
{
ParseUtilCSharp.AssertExpression(
"default(global::MyNamespace.N1.MyType)",
new DefaultValueExpression {
Type = new MemberType {
Target = new MemberType {
Target = new MemberType {
Target = new SimpleType("global"),
IsDoubleColon = true,
MemberName = "MyNamespace"
},
MemberName = "N1"
},
MemberName = "MyType"
}
});
}
[Test]
public void GenericDefaultValue()
{
ParseUtilCSharp.AssertExpression(
"default(MyNamespace.N1.MyType<string>)",
new DefaultValueExpression {
Type = new MemberType {
Target = new MemberType {
Target = new SimpleType("MyNamespace"),
MemberName = "N1"
},
MemberName = "MyType",
TypeArguments = { new PrimitiveType("string") }
}
});
}
[Test]
public void DefaultValueAsIntializer()
{
// This test was problematic (in old NRefactory) because we need a resolver for the "default:" / "default(" conflict.
ParseUtilCSharp.AssertStatement(
"T a = default(T);",
new VariableDeclarationStatement {
Type = new SimpleType("T"),
Variables = {
new VariableInitializer("a", new DefaultValueExpression { Type = new SimpleType("T") })
}});
}
[Test]
public void DefaultValueInReturnStatement()
{
ParseUtilCSharp.AssertStatement(
"return default(T);",
new ReturnStatement {
Expression = new DefaultValueExpression { Type = new SimpleType("T") }
});
}
}
}
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