From 2132a3eb82830d0719d19eaadb32e39222948bca Mon Sep 17 00:00:00 2001
From: Marcelo Lira <marcelo.lira@openbossa.org>
Date: Tue, 25 Aug 2009 02:56:00 -0300
Subject: added mapping example to test lib as well as unit tests

---
 tests/libsample/CMakeLists.txt            |  1 +
 tests/libsample/mapuser.cpp               | 41 +++++++++++++++++++++++++++
 tests/libsample/mapuser.h                 | 28 +++++++++++++++++++
 tests/samplebinding/CMakeLists.txt        |  1 +
 tests/samplebinding/global.h              |  1 +
 tests/samplebinding/map_conversions.h     | 43 +++++++++++++++++++++++++++++
 tests/samplebinding/map_test.py           | 46 +++++++++++++++++++++++++++++++
 tests/samplebinding/typesystem_sample.xml |  5 ++++
 8 files changed, 166 insertions(+)
 create mode 100644 tests/libsample/mapuser.cpp
 create mode 100644 tests/libsample/mapuser.h
 create mode 100644 tests/samplebinding/map_conversions.h
 create mode 100755 tests/samplebinding/map_test.py

diff --git a/tests/libsample/CMakeLists.txt b/tests/libsample/CMakeLists.txt
index a630b3cb4..83c480776 100644
--- a/tests/libsample/CMakeLists.txt
+++ b/tests/libsample/CMakeLists.txt
@@ -9,6 +9,7 @@ implicitconv.cpp
 kindergarten.cpp
 listuser.cpp
 modifications.cpp
+mapuser.cpp
 pairuser.cpp
 point.cpp
 reference.cpp
diff --git a/tests/libsample/mapuser.cpp b/tests/libsample/mapuser.cpp
new file mode 100644
index 000000000..d028b7cb9
--- /dev/null
+++ b/tests/libsample/mapuser.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+#include "mapuser.h"
+
+using namespace std;
+
+std::map<const char*, std::pair<Complex, int> >
+MapUser::callCreateMap()
+{
+    return createMap();
+}
+
+
+std::map<const char*, std::pair<Complex, int> >
+MapUser::createMap()
+{
+    std::map<const char*, std::pair<Complex, int> > retval;
+
+    std::pair<const char *, std::pair<Complex, int> >
+            item0("zero", std::pair<Complex, int>(Complex(1.2, 3.4), 2));
+    retval.insert(item0);
+
+    std::pair<const char *, std::pair<Complex, int> >
+            item1("one", std::pair<Complex, int>(Complex(5.6, 7.8), 3));
+    retval.insert(item1);
+
+    std::pair<const char *, std::pair<Complex, int> >
+            item2("two", std::pair<Complex, int>(Complex(9.1, 2.3), 5));
+    retval.insert(item2);
+
+    return retval;
+}
+
+void
+MapUser::showMap(std::map<const char*, int> mapping)
+{
+    std::map<const char*, int>::iterator it;
+    cout << __FUNCTION__ << endl;
+    for (it = mapping.begin() ; it != mapping.end(); it++)
+        cout << (*it).first << " => " << (*it).second << endl;
+}
+
diff --git a/tests/libsample/mapuser.h b/tests/libsample/mapuser.h
new file mode 100644
index 000000000..a5ddfe056
--- /dev/null
+++ b/tests/libsample/mapuser.h
@@ -0,0 +1,28 @@
+#ifndef MAPUSER_H
+#define MAPUSER_H
+
+#include <map>
+#include <list>
+#include <utility>
+#include "complex.h"
+
+class MapUser
+{
+public:
+    MapUser() {}
+    ~MapUser() {}
+
+    virtual std::map<const char*, std::pair<Complex, int> > createMap();
+    std::map<const char*, std::pair<Complex, int> > callCreateMap();
+
+    void showMap(std::map<const char*, int> mapping);
+
+    void setMap(std::map<const char*, std::list<int> > map) { m_map = map; }
+    std::map<const char*, std::list<int> > getMap() { return m_map; }
+
+private:
+    std::map<const char*, std::list<int> > m_map;
+};
+
+#endif // MAPUSER_H
+
diff --git a/tests/samplebinding/CMakeLists.txt b/tests/samplebinding/CMakeLists.txt
index e89d7d765..e371a4a5b 100644
--- a/tests/samplebinding/CMakeLists.txt
+++ b/tests/samplebinding/CMakeLists.txt
@@ -11,6 +11,7 @@ ${CMAKE_CURRENT_BINARY_DIR}/sample/derived_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/implicitconv_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/listuser_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/modifications_wrapper.cpp
+${CMAKE_CURRENT_BINARY_DIR}/sample/mapuser_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/pairuser_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/point_wrapper.cpp
 ${CMAKE_CURRENT_BINARY_DIR}/sample/reference_wrapper.cpp
diff --git a/tests/samplebinding/global.h b/tests/samplebinding/global.h
index b5ae6a8a0..57c13c27e 100644
--- a/tests/samplebinding/global.h
+++ b/tests/samplebinding/global.h
@@ -7,6 +7,7 @@
 #include "kindergarten.h"
 #include "pairuser.h"
 #include "listuser.h"
+#include "mapuser.h"
 #include "samplenamespace.h"
 #include "modifications.h"
 #include "implicitconv.h"
diff --git a/tests/samplebinding/map_conversions.h b/tests/samplebinding/map_conversions.h
new file mode 100644
index 000000000..b1591b57c
--- /dev/null
+++ b/tests/samplebinding/map_conversions.h
@@ -0,0 +1,43 @@
+template <typename StdMap>
+struct Converter_std_map
+{
+    static PyObject* toPython(ValueHolder<StdMap> holder)
+    {
+        PyObject* result = PyDict_New();
+        typedef typename StdMap::iterator IT;
+        IT it;
+
+        for (it = holder.value.begin(); it != holder.value.end(); it++) {
+            ValueHolder<typename StdMap::key_type> h_key((*it).first);
+            ValueHolder<typename StdMap::mapped_type> h_val((*it).second);
+            PyDict_SetItem(result,
+                           Converter<typename StdMap::key_type>::toPython(h_key),
+                           Converter<typename StdMap::mapped_type>::toPython(h_val));
+        }
+
+        return result;
+    }
+    static StdMap toCpp(PyObject* pyobj)
+    {
+        StdMap result;
+
+        PyObject* key;
+        PyObject* value;
+        Py_ssize_t pos = 0;
+
+        Py_INCREF(pyobj);
+
+        while (PyDict_Next(pyobj, &pos, &key, &value)) {
+            result.insert(typename StdMap::value_type(
+                    Converter<typename StdMap::key_type>::toCpp(key),
+                    Converter<typename StdMap::mapped_type>::toCpp(value)));
+        }
+
+        Py_DECREF(pyobj);
+
+        return result;
+    }
+};
+
+template<typename KT, typename VT>
+struct Converter<std::map<KT, VT> > : Converter_std_map<std::map<KT, VT> > {};
diff --git a/tests/samplebinding/map_test.py b/tests/samplebinding/map_test.py
new file mode 100755
index 000000000..d2ac4eaad
--- /dev/null
+++ b/tests/samplebinding/map_test.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python
+
+'''Test cases for std::map container conversions'''
+
+import sys
+import unittest
+
+from sample import MapUser
+
+class ExtendedMapUser(MapUser):
+    def __init__(self):
+        MapUser.__init__(self)
+        self.create_map_called = False
+
+    def createMap(self):
+        self.create_map_called = True
+        return {'two' : (complex(2.2, 2.2), 2),
+                'three' : (complex(3.3, 3.3), 3),
+                'five' : (complex(5.5, 5.5), 5),
+                'seven' : (complex(7.7, 7.7), 7)}
+
+class MapConversionTest(unittest.TestCase):
+    '''Test case for std::map container conversions'''
+
+    def testReimplementedVirtualMethodCall(self):
+        '''Test if a Python override of a virtual method is correctly called from C++.'''
+        mu = ExtendedMapUser()
+        map_ = mu.callCreateMap()
+        self.assert_(mu.create_map_called)
+        self.assertEqual(type(map_), dict)
+        for key, value in map_.items():
+            self.assertEqual(type(key), str)
+            self.assertEqual(type(value[0]), complex)
+            self.assertEqual(type(value[1]), int)
+
+    def testConversionInBothDirections(self):
+        '''Test converting a map from Python to C++ and back again.'''
+        mu = MapUser()
+        map_ = {'odds' : [2, 4, 6], 'evens' : [3, 5, 7], 'primes' : [3, 4, 6]}
+        mu.setMap(map_)
+        result = mu.getMap()
+        self.assertEqual(result, map_)
+
+if __name__ == '__main__':
+    unittest.main()
+
diff --git a/tests/samplebinding/typesystem_sample.xml b/tests/samplebinding/typesystem_sample.xml
index c049ea9eb..b091373cc 100644
--- a/tests/samplebinding/typesystem_sample.xml
+++ b/tests/samplebinding/typesystem_sample.xml
@@ -17,6 +17,10 @@
         <conversion-rule file="list_conversions.h"/>
         <include file-name="list" location="global"/>
     </container-type>
+    <container-type name="std::map" type="map">
+        <conversion-rule file="map_conversions.h"/>
+        <include file-name="map" location="global"/>
+    </container-type>
 
     <enum-type name="Abstract::PrintFormat"/>
     <enum-type name="PolymorphicFuncEnum"/>
@@ -200,6 +204,7 @@
 
     <value-type name="Point"/>
     <value-type name="Size"/>
+    <value-type name="MapUser"/>
     <value-type name="PairUser"/>
     <value-type name="ListUser"/>
 
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