public void VBNetFieldReferenceExpressionWithoutTargetTest()
{
MemberReferenceExpression fre = ParseUtil.ParseExpression <MemberReferenceExpression>(".myField");
Assert.AreEqual("myField", fre.MemberName);
Assert.IsTrue(fre.TargetObject.IsNull);
}
public void VBNetContextKeywordsTest()
{
Assert.AreEqual("Assembly", ParseUtil.ParseExpression <IdentifierExpression>("Assembly").Identifier);
Assert.AreEqual("Custom", ParseUtil.ParseExpression <IdentifierExpression>("Custom").Identifier);
Assert.AreEqual("Off", ParseUtil.ParseExpression <IdentifierExpression>("Off").Identifier);
Assert.AreEqual("Explicit", ParseUtil.ParseExpression <IdentifierExpression>("Explicit").Identifier);
}
public void VBNetGlobalReferenceExpressionTest()
{
TypeReferenceExpression tre = ParseUtil.ParseExpression <TypeReferenceExpression>("Global.System");
Assert.IsTrue(tre.TypeReference.IsGlobal);
Assert.AreEqual("System", tre.TypeReference.Type);
}
public void VBGenericTypeOfExpressionTest()
{
TypeOfExpression toe = ParseUtil.ParseExpression <TypeOfExpression>("GetType(MyNamespace.N1.MyType(Of string))");
Assert.AreEqual("MyNamespace.N1.MyType", toe.TypeReference.Type);
Assert.AreEqual("System.String", toe.TypeReference.GenericTypes[0].Type);
}
public void VBNetSimpleTypeOfIsExpression()
{
TypeOfIsExpression ce = ParseUtil.ParseExpression <TypeOfIsExpression>("TypeOf o Is MyObject");
Assert.AreEqual("MyObject", ce.TypeReference.Type);
Assert.IsTrue(ce.Expression is IdentifierExpression);
}
public void VBIntReferenceExpression()
{
MemberReferenceExpression fre = ParseUtil.ParseExpression <MemberReferenceExpression>("inTeGer.MaxValue");
Assert.AreEqual("MaxValue", fre.MemberName);
Assert.AreEqual("System.Int32", ((TypeReferenceExpression)fre.TargetObject).TypeReference.Type);
}
public void VBObjectReferenceExpression()
{
MemberReferenceExpression fre = ParseUtil.ParseExpression <MemberReferenceExpression>("Object.ReferenceEquals");
Assert.AreEqual("ReferenceEquals", fre.MemberName);
Assert.AreEqual("System.Object", ((TypeReferenceExpression)fre.TargetObject).TypeReference.Type);
}
public void VBArrayTypeOfExpressionTest()
{
TypeOfExpression toe = ParseUtil.ParseExpression <TypeOfExpression>("GetType(MyType())");
Assert.AreEqual("MyType", toe.TypeReference.Type);
Assert.AreEqual(new int[] { 0 }, toe.TypeReference.RankSpecifier);
}
public void VBNetElementWithAttributeTest()
{
XmlElementExpression element = ParseUtil.ParseExpression <XmlElementExpression>("<Test id='0'>\n" +
" <Item />\n"+
" <Item />\n"+
"</Test>");
Assert.IsFalse(element.NameIsExpression);
Assert.AreEqual("Test", element.XmlName);
Assert.IsNotEmpty(element.Attributes);
Assert.AreEqual(1, element.Attributes.Count);
Assert.IsTrue(element.Attributes[0] is XmlAttributeExpression);
XmlAttributeExpression attribute = element.Attributes[0] as XmlAttributeExpression;
Assert.AreEqual("id", attribute.Name);
Assert.IsTrue(attribute.IsLiteralValue);
Assert.IsTrue(attribute.ExpressionValue.IsNull);
Assert.AreEqual("0", attribute.LiteralValue);
Assert.AreEqual(new Location(7, 1), attribute.StartLocation);
Assert.AreEqual(new Location(13, 1), attribute.EndLocation);
Assert.IsNotEmpty(element.Children);
Assert.AreEqual(5, element.Children.Count);
CheckContent(element.Children[0], "\n\t", XmlContentType.Text, new Location(14, 1), new Location(2, 2));
CheckContent(element.Children[2], "\n\t", XmlContentType.Text, new Location(10, 2), new Location(2, 3));
CheckContent(element.Children[4], "\n", XmlContentType.Text, new Location(10, 3), new Location(1, 4));
CheckElement(element.Children[1], "Item", new Location(2, 2), new Location(10, 2));
CheckElement(element.Children[3], "Item", new Location(2, 3), new Location(10, 3));
Assert.AreEqual(new Location(1, 1), element.StartLocation);
Assert.AreEqual(new Location(8, 4), element.EndLocation);
}
public void VBNetNullableObjectArrayCreateExpressionTest()
{
ObjectCreateExpression oce = ParseUtil.ParseExpression <ObjectCreateExpression>("New Integer?()");
Assert.AreEqual("System.Nullable", oce.CreateType.Type);
Assert.AreEqual(1, oce.CreateType.GenericTypes.Count);
Assert.AreEqual("System.Int32", oce.CreateType.GenericTypes[0].Type);
}
public void VBNetSimpleFieldReferenceExpressionTest()
{
MemberReferenceExpression fre = ParseUtil.ParseExpression <MemberReferenceExpression>("myTargetObject.myField");
Assert.AreEqual("myField", fre.MemberName);
Assert.IsTrue(fre.TargetObject is IdentifierExpression);
Assert.AreEqual("myTargetObject", ((IdentifierExpression)fre.TargetObject).Identifier);
}
public void VBNetWithDictionaryAccess()
{
BinaryOperatorExpression boe = ParseUtil.ParseExpression <BinaryOperatorExpression>("!b");
Assert.AreEqual(BinaryOperatorType.DictionaryAccess, boe.Op);
Assert.IsTrue(boe.Left.IsNull);
Assert.IsTrue(boe.Right is PrimitiveExpression);
}
public void VBNetSimpleTryCastExpression()
{
CastExpression ce = ParseUtil.ParseExpression <CastExpression>("TryCast(o, MyObject)");
Assert.AreEqual("MyObject", ce.CastTo.Type);
Assert.IsTrue(ce.Expression is IdentifierExpression);
Assert.AreEqual(CastType.TryCast, ce.CastType);
}
void TestSpecializedCast(string castExpression, Type castType)
{
CastExpression ce = ParseUtil.ParseExpression <CastExpression>(castExpression);
Assert.AreEqual(castType.FullName, ce.CastTo.Type);
Assert.IsTrue(ce.Expression is IdentifierExpression);
Assert.AreEqual(CastType.PrimitiveConversion, ce.CastType);
}
public void VBNetGenericTypeOfIsExpression()
{
TypeOfIsExpression ce = ParseUtil.ParseExpression <TypeOfIsExpression>("TypeOf o Is List(of T)");
Assert.AreEqual("List", ce.TypeReference.Type);
Assert.AreEqual("T", ce.TypeReference.GenericTypes[0].Type);
Assert.IsTrue(ce.Expression is IdentifierExpression);
}
public void SimpleAddressOfExpressionTest()
{
AddressOfExpression ae = ParseUtil.ParseExpression <AddressOfExpression>("AddressOf t");
Assert.IsNotNull(ae);
Assert.IsInstanceOf(typeof(IdentifierExpression), ae.Expression);
Assert.AreEqual("t", ((IdentifierExpression)ae.Expression).Identifier, "t");
}
void VBNetTestUnaryOperatorExpressionTest(string program, UnaryOperatorType op)
{
UnaryOperatorExpression uoe = ParseUtil.ParseExpression <UnaryOperatorExpression>(program);
Assert.AreEqual(op, uoe.Op);
Assert.IsTrue(uoe.Expression is IdentifierExpression);
}
public void ArrayCreateExpressionTest1()
{
ArrayCreateExpression ace = ParseUtil.ParseExpression <ArrayCreateExpression>("new Integer() {1, 2, 3, 4}");
Assert.AreEqual("System.Int32", ace.CreateType.Type);
Assert.AreEqual(0, ace.Arguments.Count);
Assert.AreEqual(new int[] { 0 }, ace.CreateType.RankSpecifier);
}
public void VBNetConditionalExpressionTest()
{
ConditionalExpression ce = ParseUtil.ParseExpression <ConditionalExpression>("If(x IsNot Nothing, x.Test, \"nothing\")");
Assert.IsTrue(ce.Condition is BinaryOperatorExpression);
Assert.IsTrue(ce.TrueExpression is MemberReferenceExpression);
Assert.IsTrue(ce.FalseExpression is PrimitiveExpression);
}
public void VBNetPrimitiveParenthesizedExpression()
{
ParenthesizedExpression p = ParseUtil.ParseExpression <ParenthesizedExpression>("((1))");
Assert.IsTrue(p.Expression is ParenthesizedExpression);
p = p.Expression as ParenthesizedExpression;;
Assert.IsTrue(p.Expression is PrimitiveExpression);
}
public void VBUnboundTypeOfExpressionTest()
{
TypeOfExpression toe = ParseUtil.ParseExpression <TypeOfExpression>("GetType(MyType(Of ,))");
Assert.AreEqual("MyType", toe.TypeReference.Type);
Assert.IsTrue(toe.TypeReference.GenericTypes[0].IsNull);
Assert.IsTrue(toe.TypeReference.GenericTypes[1].IsNull);
}
public void ArrayCreateExpressionTest2()
{
ArrayCreateExpression ace = ParseUtil.ParseExpression <ArrayCreateExpression>("New Integer(0 To 5){0, 1, 2, 3, 4, 5}");
Assert.AreEqual("System.Int32", ace.CreateType.Type);
Assert.AreEqual(1, ace.Arguments.Count);
Assert.AreEqual(5, (ace.Arguments[0] as PrimitiveExpression).Value);
Assert.AreEqual(new int[] { 0 }, ace.CreateType.RankSpecifier);
}
public void VBNetNotEqualTest()
{
UnaryOperatorExpression e = ParseUtil.ParseExpression <UnaryOperatorExpression>("Not a = b");
Assert.AreEqual(UnaryOperatorType.Not, e.Op);
BinaryOperatorExpression boe = (BinaryOperatorExpression)e.Expression;
Assert.AreEqual(BinaryOperatorType.Equality, boe.Op);
}
public void VBNetInEqualsNotTest()
{
BinaryOperatorExpression e = ParseUtil.ParseExpression <BinaryOperatorExpression>("b <> Not a");
Assert.AreEqual(BinaryOperatorType.InEquality, e.Op);
UnaryOperatorExpression ue = (UnaryOperatorExpression)e.Right;
Assert.AreEqual(UnaryOperatorType.Not, ue.Op);
}
public void VBNetGenericTryCastExpression()
{
CastExpression ce = ParseUtil.ParseExpression <CastExpression>("TryCast(o, List(of T))");
Assert.AreEqual("List", ce.CastTo.Type);
Assert.AreEqual("T", ce.CastTo.GenericTypes[0].Type);
Assert.IsTrue(ce.Expression is IdentifierExpression);
Assert.AreEqual(CastType.TryCast, ce.CastType);
}
void VBNetTestBinaryOperatorExpressionTest(string program, BinaryOperatorType op)
{
BinaryOperatorExpression boe = ParseUtil.ParseExpression <BinaryOperatorExpression>(program);
Assert.AreEqual(op, boe.Op);
Assert.IsTrue(boe.Left is IdentifierExpression);
Assert.IsTrue(boe.Right is IdentifierExpression);
}
public void VBNetXmlNameAttributeReferenceWithDotTest()
{
XmlMemberAccessExpression xmae = ParseUtil.ParseExpression <XmlMemberAccessExpression>(".@<ns:attribute>");
Assert.AreEqual("ns:attribute", xmae.Identifier);
Assert.IsTrue(xmae.IsXmlIdentifier);
Assert.AreEqual(XmlAxisType.Attribute, xmae.AxisType);
Assert.IsTrue(xmae.TargetObject.IsNull);
}
public void VBNetSimpleDescendentsReferenceWithDotTest()
{
XmlMemberAccessExpression xmae = ParseUtil.ParseExpression <XmlMemberAccessExpression>("...<ns:Element>");
Assert.AreEqual("ns:Element", xmae.Identifier);
Assert.IsTrue(xmae.IsXmlIdentifier);
Assert.AreEqual(XmlAxisType.Descendents, xmae.AxisType);
Assert.IsTrue(xmae.TargetObject.IsNull);
}
public void VBNetSimpleCDataTest()
{
XmlContentExpression content = ParseUtil.ParseExpression <XmlContentExpression>("<![CDATA[<simple> <cdata>]]>");
Assert.AreEqual(XmlContentType.CData, content.Type);
Assert.AreEqual("<simple> <cdata>", content.Content);
Assert.AreEqual(new Location(1, 1), content.StartLocation);
Assert.AreEqual(new Location(29, 1), content.EndLocation);
}
public void MemberReferenceAddressOfExpressionTest()
{
AddressOfExpression ae = ParseUtil.ParseExpression <AddressOfExpression>("AddressOf Me.t(Of X)");
Assert.IsNotNull(ae);
Assert.IsInstanceOf(typeof(MemberReferenceExpression), ae.Expression);
Assert.AreEqual("t", ((MemberReferenceExpression)ae.Expression).MemberName, "t");
Assert.IsInstanceOf(typeof(ThisReferenceExpression), ((MemberReferenceExpression)ae.Expression).TargetObject);
}
