Moved the improved test for friends to Basic because it's not C#-specific.

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

tests/Basic/Basic.Tests.cs

@@ -474,6 +474,7 @@ public class BasicTests : GeneratorTestFixture
         HasFriend h1 = 5;
         HasFriend h2 = 10;
         Assert.AreEqual(15, (h1 + h2).M);
+        Assert.AreEqual(-5, (h1 - h2).M);
     }
 
     [Test]

tests/Basic/Basic.cpp

@@ -358,6 +358,11 @@ DLL_API inline const HasFriend operator+(const HasFriend& f1, const HasFriend& f
     return HasFriend(f1.m + f2.m);
 }
 
+DLL_API inline const HasFriend operator-(const HasFriend& f1, const HasFriend& f2)
+{
+    return HasFriend(f1.m - f2.m);
+}
+
 bool DifferentConstOverloads::operator ==(const DifferentConstOverloads& other)
 {
     return true;

tests/Basic/Basic.h

@@ -668,6 +668,7 @@ class DLL_API HasFriend
 public:
     HasFriend(int m);
     DLL_API friend inline const HasFriend operator+(const HasFriend& f1, const HasFriend& f2);
+    DLL_API friend inline const HasFriend operator-(const HasFriend& f1, const HasFriend& f2);
     int getM();
 private:
     int m;

tests/CSharpTemp/CSharpTemp.Tests.cs

@@ -206,14 +206,4 @@ public class CSharpTempTests : GeneratorTestFixture
     {
         QMap.Iterator test_iter;
     }
-
-    [Test]
-    public void TestMultipleNonMemberFriends()
-    {
-        var s1 = new QSize();
-        var s2 = new QSize();
-
-        var sum = s1 + s2;
-        var sub = s1 - s2;
-    }
 }

tests/CSharpTemp/CSharpTemp.h

@@ -403,27 +403,3 @@ template <> struct QIntegerForSize<4> { typedef uint32_t Unsigned; typedef int32
 template <> struct QIntegerForSize<8> { typedef uint64_t Unsigned; typedef int64_t Signed; };
 typedef QIntegerForSize<Q_PROCESSOR_WORDSIZE>::Signed qregisterint;
 typedef QIntegerForSize<Q_PROCESSOR_WORDSIZE>::Unsigned qregisteruint;
-
-class QSize
-{
-public:
-    QSize(int w, int h);
-    friend inline const QSize operator+(const QSize &, const QSize &);
-    friend inline const QSize operator-(const QSize &, const QSize &);
-
-private:
-    int wd;
-    int ht;
-};
-
-inline QSize::QSize(int w, int h) : wd(w), ht(h) {}
-
-inline const QSize operator+(const QSize & s1, const QSize & s2)
-{
-    return QSize(s1.wd + s2.wd, s1.ht + s2.ht);
-}
-
-inline const QSize operator-(const QSize &s1, const QSize &s2)
-{
-    return QSize(s1.wd - s2.wd, s1.ht - s2.ht);
-}