From 577f58149c1e7053a4e84cae89a0bf8b5c7c2ce0 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Sun, 2 Mar 2003 22:11:20 +0000
Subject: [PATCH] tests for operators returning const objects

[SVN r17700]
---
 test/operators.cpp | 15 +++++++++++----
 test/operators.py  |  3 +++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/test/operators.cpp b/test/operators.cpp
index e4ac1e07..9e7a1e5a 100755
--- a/test/operators.cpp
+++ b/test/operators.cpp
@@ -21,7 +21,13 @@
 
 using namespace boost::python;
 
-typedef test_class<> X;
+struct X : test_class<>
+{
+    typedef test_class<> base_t;
+    
+    X(int x) : base_t(x) {}
+    X const operator+(X const& r) { return X(value() + r.value()); }
+};
 
 X operator-(X const& l, X const& r) { return X(l.value() - r.value()); }
 X operator-(int l, X const& r) { return X(l - r.value()); }
@@ -39,17 +45,17 @@ X abs(X x) { return X(x.value() < 0 ? -x.value() : x.value()); }
 
 X pow(X x, int y)
 {
-    return X(int(pow(double(x.value()), y)));
+    return X(int(pow(double(x.value()), double(y))));
 }
 
 X pow(X x, X y)
 {
-    return X(int(pow(double(x.value()), y.value())));
+    return X(int(pow(double(x.value()), double(y.value()))));
 }
 
 int pow(int x, X y)
 {
-    return int(pow(double(x), y.value()));
+    return int(pow(double(x), double(y.value())));
 }
 
 std::ostream& operator<<(std::ostream& s, X const& x)
@@ -61,6 +67,7 @@ BOOST_PYTHON_MODULE(operators_ext)
 {
     class_<X>("X", init<int>())
         .def("value", &X::value)
+        .def(self + self)
         .def(self - self)
         .def(self - int())
         .def(other<int>() - self)
diff --git a/test/operators.py b/test/operators.py
index 58ffb5eb..b18d4d2d 100644
--- a/test/operators.py
+++ b/test/operators.py
@@ -15,6 +15,9 @@
 >>> (-y).value()
 39
 
+>>> (x + y).value()
+3
+
 >>> abs(y).value()
 39