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//
// Microsoft.VisualBasic.* Test Cases
//
// Authors:
// Frederik Carlier <frederik.carlier@carlier-online.be>
// Rolf Bjarne Kvinge <RKvinge@novell.com>
//
// (c) 2005 Novell
//
using System;
using System.IO;
using System.Text;
using System.CodeDom;
using System.CodeDom.Compiler;
using Microsoft.VisualBasic;
using NUnit.Framework;
namespace MonoTests.Microsoft.VisualBasic
{
[TestFixture]
public class CodeGeneratorFromBinaryOperatorTest
{
VBCodeProvider provider;
ICodeGenerator generator;
CodeGeneratorOptions options;
[SetUp]
public void SetUp ()
{
provider = new VBCodeProvider ();
generator = provider.CreateGenerator ();
options = new CodeGeneratorOptions ();
}
[Test]
public void TypeReferenceExpressionTest ()
{
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter (sb)) {
CodeThisReferenceExpression thisRef = new CodeThisReferenceExpression();
CodeFieldReferenceExpression parentField = new CodeFieldReferenceExpression();
parentField.TargetObject = thisRef;
parentField.FieldName = "Parent";
CodeBinaryOperatorExpression expression = new CodeBinaryOperatorExpression(
parentField,
CodeBinaryOperatorType.IdentityInequality,
new CodePrimitiveExpression(null));
Assert.AreEqual ("(Not (Me.Parent) Is Nothing)", Generate (expression, sw), "#1");
sw.Close ();
}
sb = new StringBuilder();
using (StringWriter sw = new StringWriter (sb)) {
CodeThisReferenceExpression thisRef = new CodeThisReferenceExpression();
CodeFieldReferenceExpression parentField = new CodeFieldReferenceExpression();
parentField.TargetObject = thisRef;
parentField.FieldName = "Parent";
CodeBinaryOperatorExpression expression = new CodeBinaryOperatorExpression(
new CodePrimitiveExpression(null),
CodeBinaryOperatorType.IdentityInequality,
parentField);
Assert.AreEqual ("(Not (Me.Parent) Is Nothing)", Generate (expression, sw), "#2");
sw.Close ();
}
}
private string Generate (CodeExpression expression, StringWriter sw)
{
generator.GenerateCodeFromExpression (expression, sw, options);
return sw.ToString ();
}
}
}
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