add a test for lambda as member support

boostorg · Aug 16, 2015 · ee20431 · ee20431
1 parent b6a8f44
commit ee20431
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/test/class.cpp b/test/class.cpp
@@ -11,18 +11,28 @@ using namespace boost::python;
 struct X
 {
     int x;
-    X(int n) : x(n) { }
+    int foo;
+    X(int n) : x(n), foo(0){ }
 };
 
 int x_function(X& x)
 {   return x.x;
 }
 
+int y_function(X& x)
+{   return x.foo++;
+}
 
 BOOST_PYTHON_MODULE(class_ext)
 {
     class_<X>("X", init<int>());
     def("x_function", x_function);
+#if (__cplusplus > 199711L) && !defined(BOOST_NO_CXX11_LAMBDAS)
+    def("y_function", [&foo](int) -> int { return foo++; });
+#else
+    def("y_function", y_function);
+
+#endif
 }
 
 #include "module_tail.cpp"
diff --git a/test/class.py b/test/class.py
@@ -9,6 +9,10 @@
     >>> x = X(42)
     >>> x_function(x)
     42
+    >>> y_function(x)
+    0
+    >>> y_function(x)
+    1
 
 Demonstrate extraction in the presence of metaclass changes: