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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 System.Linq;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
{
[TestFixture]
public class InvocationExpressionTests
{
[Test]
public void SimpleInvocationExpressionTest()
{
var ie = ParseUtilCSharp.ParseExpression<InvocationExpression>("myMethod()");
Assert.AreEqual(0, ie.Arguments.Count());
Assert.IsTrue(ie.Target is IdentifierExpression);
Assert.AreEqual("myMethod", ((IdentifierExpression)ie.Target).Identifier);
}
[Test]
public void GenericInvocationExpressionTest()
{
ParseUtilCSharp.AssertExpression(
"myMethod<char>('a')",
new InvocationExpression {
Target = new IdentifierExpression {
Identifier = "myMethod",
TypeArguments = { new PrimitiveType("char") }
},
Arguments = { new PrimitiveExpression('a') }
}
);
}
[Test]
public void GenericInvocation2ExpressionTest()
{
ParseUtilCSharp.AssertExpression(
"myMethod<T,bool>()",
new InvocationExpression {
Target = new IdentifierExpression {
Identifier = "myMethod",
TypeArguments = {
new SimpleType("T"),
new PrimitiveType("bool")
}
}
}
);
}
[Test]
public void AmbiguousGrammarGenericMethodCall()
{
ParseUtilCSharp.AssertExpression(
"F(G<A,B>(7))",
new InvocationExpression {
Target = new IdentifierExpression("F"),
Arguments = {
new InvocationExpression {
Target = new IdentifierExpression {
Identifier = "G",
TypeArguments = { new SimpleType("A"), new SimpleType("B") }
},
Arguments = { new PrimitiveExpression(7) }
}}});
}
[Test, Ignore("Mono Parser Bug???")]
public void AmbiguousGrammarNotAGenericMethodCall()
{
ParseUtilCSharp.AssertExpression(
"F<A>+y",
new BinaryOperatorExpression {
Left = new BinaryOperatorExpression {
Left = new IdentifierExpression("F"),
Operator = BinaryOperatorType.LessThan,
Right = new IdentifierExpression("A")
},
Operator = BinaryOperatorType.GreaterThan,
Right = new UnaryOperatorExpression {
Operator = UnaryOperatorType.Plus,
Expression = new IdentifierExpression("y")
}});
}
[Test]
public void InvalidNestedInvocationExpressionTest()
{
// this test was written because this bug caused the AbstractASTVisitor to crash
InvocationExpression expr = ParseUtilCSharp.ParseExpression<InvocationExpression>("WriteLine(myMethod(,))", true);
Assert.IsTrue(expr.Target is IdentifierExpression);
Assert.AreEqual("WriteLine", ((IdentifierExpression)expr.Target).Identifier);
Assert.AreEqual(1, expr.Arguments.Count); // here a second null parameter was added incorrectly
Assert.IsTrue(expr.Arguments.Single() is InvocationExpression);
}
[Test]
public void NestedInvocationPositions()
{
InvocationExpression expr = ParseUtilCSharp.ParseExpression<InvocationExpression>("a.B().C(args)");
Assert.AreEqual(new TextLocation(1, 1), expr.StartLocation);
Assert.AreEqual(new TextLocation(1, 14), expr.EndLocation);
MemberReferenceExpression mre = (MemberReferenceExpression)expr.Target;
Assert.AreEqual(new TextLocation(1, 1), mre.StartLocation);
Assert.AreEqual(new TextLocation(1, 8), mre.EndLocation);
Assert.AreEqual(new TextLocation(1, 1), mre.Target.StartLocation);
Assert.AreEqual(new TextLocation(1, 6), mre.Target.EndLocation);
}
[Test]
public void InvocationOnGenericType()
{
ParseUtilCSharp.AssertExpression(
"A<T>.Foo()",
new IdentifierExpression {
Identifier = "A",
TypeArguments = { new SimpleType("T") }
}.Invoke("Foo")
);
}
[Test]
public void InvocationOnInnerClassInGenericType()
{
ParseUtilCSharp.AssertExpression(
"A<T>.B.Foo()",
new IdentifierExpression {
Identifier = "A",
TypeArguments = { new SimpleType("T") }
}.Member("B").Invoke("Foo")
);
}
[Test]
public void InvocationOnGenericInnerClassInGenericType()
{
ParseUtilCSharp.AssertExpression(
"A<T>.B.C<U>.Foo()",
new MemberReferenceExpression {
Target = new IdentifierExpression {
Identifier = "A",
TypeArguments = { new SimpleType("T") }
}.Member("B"),
MemberName = "C",
TypeArguments = { new SimpleType("U") }
}.Invoke("Foo"));
}
[Test]
public void InvocationWithNamedArgument()
{
ParseUtilCSharp.AssertExpression(
"a(arg: ref v)",
new InvocationExpression {
Target = new IdentifierExpression("a"),
Arguments = {
new NamedArgumentExpression {
Name = "arg",
Expression = new DirectionExpression {
FieldDirection = FieldDirection.Ref,
Expression = new IdentifierExpression("v")
}}}});
}
}
}
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