Extended the check for duplicate names to ignore repeated operators since they cannot be renamed. Added an ignored test for an unrelated run-time issue.

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

src/Generator/Passes/CheckDuplicatedNamesPass.cs

@@ -37,7 +37,7 @@ namespace CppSharp.Passes
             return true;
         }
 
-        private bool UpdateName(Method method)
+        private bool UpdateName(Function method)
         {
             var @params = method.Parameters.Where(p => p.Kind != ParameterKind.IndirectReturnType)
                                 .Select(p => p.QualifiedType.ToString());
@@ -57,7 +57,11 @@ namespace CppSharp.Passes
             if (Count < methodCount+1)
                 Count = methodCount+1;
 
-            method.Name += methodCount.ToString(CultureInfo.InvariantCulture);
+            if (method.IsOperator)
+                // TODO: turn into a method; append the original type (say, "signed long") of the last parameter to the type so that the user knows which overload is called
+                method.ExplicityIgnored = true;
+            else
+                method.Name += methodCount.ToString(CultureInfo.InvariantCulture);
             return true;
         }
     }

tests/Basic/Basic.Tests.cs

@@ -52,5 +52,14 @@ public class BasicTests
         Assert.That(barSum.A, Is.EqualTo(bar.A + bar1.A));
         Assert.That(barSum.B, Is.EqualTo(bar.B + bar1.B));
     }
+
+    [Test, Ignore]
+    public void TestLeftShiftOperator()
+    {
+        Foo2 foo2 = new Foo2();
+        foo2.C = 2;
+        Foo2 result = foo2 << 3;
+        Assert.That(result.C, Is.EqualTo(16));
+    }
 }
  

tests/Basic/Basic.cpp

@@ -4,6 +4,20 @@ Foo::Foo()
 {
 }
 
+Foo2& Foo2::operator <<(signed int i)
+{
+    Foo2 foo;
+    foo.C = C << i;
+    return foo;
+}
+
+Foo2& Foo2::operator <<(signed long l)
+{
+    Foo2 foo;
+    foo.C = C << l;
+    return foo;
+}
+
 Bar::Bar()
 {
 }

tests/Basic/Basic.h

@@ -22,6 +22,9 @@ class DLL_API Foo2 : public Foo
 public:
 
     int C;
+
+    Foo2& operator<<(signed int i);
+    Foo2& operator<<(signed long l);
 };
 
 struct DLL_API Bar