1 files changed, 147 insertions, 0 deletions
diff --git a/src/boost/libs/python/test/callbacks.py b/src/boost/libs/python/test/callbacks.py
new file mode 100644
index 000000000..cf876a89d
--- /dev/null
+++ b/src/boost/libs/python/test/callbacks.py
@@ -0,0 +1,147 @@
+# Copyright David Abrahams 2004. Distributed under the Boost
+# Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+'''
+>>> from callbacks_ext import *
+
+>>> def double(x):
+...     return x + x
+...
+>>> apply_int_int(double, 42)
+84
+>>> apply_void_int(double, 42)
+
+>>> def identity(x):
+...     return x
+
+Once we have array conversion support, this test will fail. Er,
+succeed<wink>:
+
+>>> try: apply_to_string_literal(identity)
+... except ReferenceError: pass # expected
+... else: print('expected an exception!')
+
+>>> try: apply_X_ref_handle(lambda ignored:X(42), None)
+... except ReferenceError: pass # expected
+... else: print('expected an exception!')
+
+>>> x = X(42)
+>>> x.y = X(7)
+>>> apply_X_ref_handle(lambda z:z.y, x).value()
+7
+
+>>> x = apply_X_X(identity, X(42))
+>>> x.value()
+42
+>>> x_count()
+1
+>>> del x
+>>> x_count()
+0
+
+>>> def increment(x):
+...     x.set(x.value() + 1)
+...
+>>> x = X(42)
+>>> apply_void_X_ref(increment, x)
+>>> x.value()
+43
+
+>>> apply_void_X_cref(increment, x) 
+>>> x.value()  # const-ness is not respected, sorry!
+44
+
+>>> last_x = 1
+>>> def decrement(x):
+...     global last_x
+...     last_x = x
+...     if x is not None:
+...         x.set(x.value() - 1)
+
+>>> apply_void_X_ptr(decrement, x)
+>>> x.value()
+43
+>>> last_x.value()
+43
+>>> increment(last_x)
+>>> x.value()
+44
+>>> last_x.value()
+44
+
+>>> apply_void_X_ptr(decrement, None)
+>>> assert last_x is None
+>>> x.value()
+44
+
+>>> last_x = 1
+>>> apply_void_X_deep_ptr(decrement, None)
+>>> assert last_x is None
+>>> x.value()
+44
+
+>>> apply_void_X_deep_ptr(decrement, x)
+>>> x.value()
+44
+>>> last_x.value()
+43
+
+>>> y = apply_X_ref_handle(identity, x)
+>>> assert y.value() == x.value()
+>>> increment(x)
+>>> assert y.value() == x.value()
+
+>>> y = apply_X_ptr_handle_cref(identity, x)
+>>> assert y.value() == x.value()
+>>> increment(x)
+>>> assert y.value() == x.value()
+
+>>> y = apply_X_ptr_handle_cref(identity, None)
+>>> y
+
+>>> def new_x(ignored):
+...     return X(666)
+...
+>>> try: apply_X_ref_handle(new_x, 1)
+... except ReferenceError: pass
+... else: print('no error')
+
+>>> try: apply_X_ptr_handle_cref(new_x, 1)
+... except ReferenceError: pass
+... else: print('no error')
+
+>>> try: apply_cstring_cstring(identity, 'hello')
+... except ReferenceError: pass
+... else: print('no error')
+
+>>> apply_char_char(identity, 'x')
+'x'
+
+>>> apply_cstring_pyobject(identity, 'hello')
+'hello'
+
+>>> apply_cstring_pyobject(identity, None)
+
+
+>>> apply_char_char(identity, 'x')
+'x'
+
+>>> assert apply_to_own_type(identity) is type(identity)
+
+>>> assert apply_object_object(identity, identity) is identity
+'''
+
+def run(args = None):
+    import sys
+    import doctest
+
+    if args is not None:
+        sys.argv = args
+    return doctest.testmod(sys.modules.get(__name__))
+    
+if __name__ == '__main__':
+    print("running...")
+    import sys
+    status = run()[0]
+    if (status == 0): print("Done.")
+    sys.exit(status)