Add unit test for writing stereo bond flags.

test/CMakeLists.txt

@@ -24,6 +24,7 @@ set(tests
     spectrophore
     squareplanar
     stereo
+    stereobonds
     stereoperception
     tetrahedral
     tetranonplanar

test/stereobondstest.cpp

@@ -0,0 +1,33 @@
+#include "obtest.h"
+
+#include <openbabel/mol.h>
+#include <openbabel/obconversion.h>
+
+using namespace OpenBabel;
+
+
+int main()
+{
+  OBMol mol;
+  OBAtom *begin = mol.NewAtom();
+  OBAtom *end = mol.NewAtom();
+  mol.AddBond(begin->GetIdx(), end->GetIdx(), 1, OB_WEDGE_BOND);
+  mol.GetBond(0)->SetWedge();
+
+
+  OBConversion conv;
+  conv.SetInAndOutFormats("mol", "mol");
+
+  // write the molecule
+  std::ofstream ofs("stereobonds.mol");
+  conv.Write(&mol, &ofs);
+  ofs.close();
+
+  std::ifstream ifs("stereobonds.mol");
+  conv.Read(&mol, &ifs);
+
+  OB_COMPARE( mol.GetBond(0)->IsWedge(), true );
+}
+
+
+