Prevented any change of access for inherited virtual properties.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

tests/Basic/Basic.Tests.cs

@@ -4,8 +4,15 @@ using NUnit.Framework;
 using BasicTest;
 using Enum = BasicTest.Enum;
 
+[TestFixture]
 public class BasicTests : GeneratorTestFixture
 {
+    [Test]
+    public void TestUncompilableCode()
+    {
+        Assert.That(new ChangedAccessOfInheritedProperty().Property, Is.EqualTo(2));
+    }
+
     [Test]
     public void TestHello()
     {

tests/Basic/Basic.cpp

@@ -407,3 +407,21 @@ bool DifferentConstOverloads::operator ==(int number) const
 {
     return false;
 }
+
+int HasVirtualProperty::getProperty()
+{
+    return 1;
+}
+
+void HasVirtualProperty::setProperty(int value)
+{
+}
+
+int ChangedAccessOfInheritedProperty::getProperty()
+{
+    return 2;
+}
+
+void ChangedAccessOfInheritedProperty::setProperty(int value)
+{
+}

tests/Basic/Basic.h

@@ -750,3 +750,17 @@ struct CS_VALUE_TYPE ValueTypeArrays
 	char thirdValueTypeArray[ARRAY_LENGTH];
 	size_t size;
 };
+
+class DLL_API HasVirtualProperty
+{
+public:
+    virtual int getProperty();
+    virtual void setProperty(int value);
+};
+
+class DLL_API ChangedAccessOfInheritedProperty : public HasVirtualProperty
+{
+protected:
+    int getProperty();
+    void setProperty(int value);
+};