1 files changed, 78 insertions, 0 deletions
diff --git a/tests/run/cpp_stl_any.pyx b/tests/run/cpp_stl_any.pyx
new file mode 100644
index 000000000..ccdc2a01f
--- /dev/null
+++ b/tests/run/cpp_stl_any.pyx
@@ -0,0 +1,78 @@
+# ticket: 2633
+# mode: run
+# tag: cpp, cpp17, werror
+
+from libcpp cimport bool
+from libcpp.any cimport any, any_cast
+from libcpp.pair cimport pair
+from cython.operator cimport typeid
+
+def simple_test():
+    """
+    >>> simple_test()
+    """
+    cdef any u
+    assert not u.has_value()
+    v = new any(u)
+    assert not v.has_value()
+    u = 42
+    assert u.has_value()
+    v = new any(u)
+    assert v.has_value()
+
+def reset_test():
+    """
+    >>> reset_test()
+    """
+    cdef any a
+    assert not a.has_value()
+    a = 42
+    assert a.has_value()
+    a.reset()
+    assert not a.has_value()
+
+def cast_test():
+    """
+    >>> cast_test()
+    """
+    cdef any a
+    a = 1
+    assert a.type() == typeid(int)
+    assert any_cast[int](a) == 1
+    a = 3.14
+    assert a.type() == typeid(double)
+    assert any_cast[double](a) == 3.14
+    a = <bool>(True)
+    assert a.type() == typeid(bool)
+    assert any_cast[bool](a) == True
+    # bad cast
+    try:
+        a = 1
+        b = any_cast[double](a)
+    except TypeError:
+        pass
+
+def emplace_test():
+    """
+    >>> emplace_test()
+    """
+    cdef any a
+    a = 42
+    assert any_cast[int](a) == 42
+    a.emplace[pair[int,int]](1,2)
+    assert any_cast[pair[int,int]](a) == pair[int,int](1,2)
+    a.reset()
+    assert not a.has_value()
+    a.emplace[pair[int,int]](1,2)
+    assert any_cast[pair[int,int]](a) == pair[int,int](1,2)
+
+def swap_test():
+    """
+    >>> swap_test()
+    """
+    cdef any a, b
+    a = 42
+    b = "hello"
+    a.swap(b)
+    assert any_cast[str](a) == "hello"
+    assert any_cast[int](b) == 42