/NRefactory/ICSharpCode.NRefactory.VB.Tests/Parser/Expressions/ObjectCreateExpressionTests.cs
http://github.com/icsharpcode/ILSpy · C# · 114 lines · 92 code · 19 blank · 3 comment · 1 complexity · b6b33cc36902390045d25778f6cded1d MD5 · raw file
- // Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
- // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
- using System;
- using System.IO;
- using NUnit.Framework;
- using ICSharpCode.NRefactory.VB.Parser;
- using ICSharpCode.NRefactory.VB.Ast;
- namespace ICSharpCode.NRefactory.VB.Tests.Ast
- {
- [TestFixture]
- public class ObjectCreateExpressionTests
- {
- void CheckSimpleObjectCreateExpression(ObjectCreateExpression oce)
- {
- Assert.AreEqual("MyObject", oce.CreateType.Type);
- Assert.AreEqual(3, oce.Parameters.Count);
- Assert.IsTrue(oce.ObjectInitializer.IsNull);
-
- for (int i = 0; i < oce.Parameters.Count; ++i) {
- Assert.IsTrue(oce.Parameters[i] is PrimitiveExpression);
- }
- }
-
- Expression CheckPropertyInitializationExpression(Expression e, string name)
- {
- Assert.IsInstanceOf(typeof(MemberInitializerExpression), e);
- Assert.AreEqual(name, ((MemberInitializerExpression)e).Name);
- return ((MemberInitializerExpression)e).Expression;
- }
-
- [Test]
- public void VBNetAnonymousType()
- {
- ObjectCreateExpression oce = ParseUtil.ParseExpression<ObjectCreateExpression>(
- "New With {.Id = 1, .Name= \"Bill Gates\" }");
-
- Assert.IsTrue(oce.CreateType.IsNull);
- Assert.AreEqual(0, oce.Parameters.Count);
- Assert.AreEqual(2, oce.ObjectInitializer.CreateExpressions.Count);
-
- Assert.IsInstanceOf(typeof(PrimitiveExpression), CheckPropertyInitializationExpression(oce.ObjectInitializer.CreateExpressions[0], "Id"));
- Assert.IsInstanceOf(typeof(MemberInitializerExpression), oce.ObjectInitializer.CreateExpressions[1]);
- }
-
- [Test]
- public void VBNetAnonymousTypeWithoutProperty()
- {
- ObjectCreateExpression oce = ParseUtil.ParseExpression<ObjectCreateExpression>("New With { c }");
-
- Assert.IsTrue(oce.CreateType.IsNull);
- Assert.AreEqual(0, oce.Parameters.Count);
- Assert.AreEqual(1, oce.ObjectInitializer.CreateExpressions.Count);
-
- Assert.IsInstanceOf(typeof(SimpleNameExpression), oce.ObjectInitializer.CreateExpressions[0]);
- Assert.AreEqual("c", (oce.ObjectInitializer.CreateExpressions[0] as SimpleNameExpression).Identifier);
- }
-
- [Test]
- public void VBNetSimpleObjectCreateExpressionTest()
- {
- CheckSimpleObjectCreateExpression(ParseUtil.ParseExpression<ObjectCreateExpression>("New MyObject(1, 2, 3)"));
- }
-
- [Test]
- public void VBNetInvalidTypeArgumentListObjectCreateExpressionTest()
- {
- // this test was written because this bug caused the AbstractDomVisitor to crash
-
- InvocationExpression expr = ParseUtil.ParseExpression<InvocationExpression>("WriteLine(New SomeGenericType(Of Integer, )())", true);
- Assert.IsTrue(expr.TargetObject is SimpleNameExpression);
- Assert.AreEqual("WriteLine", ((SimpleNameExpression)expr.TargetObject).Identifier);
- Assert.AreEqual(1, expr.Arguments.Count); // here a second null parameter was added incorrectly
-
- Assert.IsTrue(expr.Arguments[0] is ObjectCreateExpression);
- TypeReference typeRef = ((ObjectCreateExpression)expr.Arguments[0]).CreateType;
- Assert.AreEqual("SomeGenericType", typeRef.Type);
- Assert.AreEqual(1, typeRef.GenericTypes.Count);
- Assert.AreEqual("System.Int32", typeRef.GenericTypes[0].Type);
- }
-
- [Test]
- public void VBNetMemberInitializationTest()
- {
- ObjectCreateExpression oce = ParseUtil.ParseExpression<ObjectCreateExpression>("new Contact() With { .FirstName = \"Bill\", .LastName = \"Gates\" }");
- Assert.AreEqual(2, oce.ObjectInitializer.CreateExpressions.Count);
-
- Assert.AreEqual("FirstName", ((MemberInitializerExpression)oce.ObjectInitializer.CreateExpressions[0]).Name);
- Assert.AreEqual("LastName", ((MemberInitializerExpression)oce.ObjectInitializer.CreateExpressions[1]).Name);
-
- Assert.IsInstanceOf(typeof(PrimitiveExpression), ((MemberInitializerExpression)oce.ObjectInitializer.CreateExpressions[0]).Expression);
- Assert.IsInstanceOf(typeof(PrimitiveExpression), ((MemberInitializerExpression)oce.ObjectInitializer.CreateExpressions[1]).Expression);
- }
-
- [Test]
- public void VBNetNullableObjectCreateExpressionTest()
- {
- 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);
- }
- [Test]
- 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);
- }
- }
- }