Add tests for pylibcudf binaryops

python/cudf/cudf/_lib/pylibcudf/binaryop.pyx

@@ -2,6 +2,7 @@
 
 from cython.operator import dereference
 
+from libcpp cimport bool
 from libcpp.memory cimport unique_ptr
 from libcpp.utility cimport move
 
@@ -86,12 +87,34 @@ cpdef Column binary_operation(
     return Column.from_libcudf(move(result))
 
 
-def is_supported_operation(
+cpdef bool is_supported_operation(
     DataType out,
     DataType lhs,
     DataType rhs,
     binary_operator op
 ):
+    """Returns true if the binary operator is supported for the given input types.
+
+    For details, see :cpp:func:`cudf::binops::is_supported_operation`.
+
+    Parameters
+    ----------
+    out : DataType
+        The output data type.
+    lhs : DataType
+        The left hand side data type.
+    rhs : DataType
+        The right hand side data type.
+    op : BinaryOperator
+        The operation to check.
+
+    Returns
+    -------
+    bool
+        True if the operation is supported, False otherwise
+
+    """
+
     return cpp_binaryop.is_supported_operation(
         out.c_obj,
         lhs.c_obj,

python/cudf/cudf/_lib/pylibcudf/libcudf/binaryop.pxd

@@ -1,6 +1,6 @@
 # Copyright (c) 2020-2024, NVIDIA CORPORATION.
 
-from libc.stdint cimport bool, int32_t
+from libc.stdint cimport int32_t
 from libcpp cimport bool
 from libcpp.memory cimport unique_ptr
 from libcpp.string cimport string
@@ -44,6 +44,7 @@ cdef extern from "cudf/binaryop.hpp" namespace "cudf" nogil:
         NULL_EQUALS
         NULL_MAX
         NULL_MIN
+        NULL_NOT_EQUALS
         GENERIC_BINARY
         NULL_LOGICAL_AND
         NULL_LOGICAL_OR