parsebuild.cpp

/** Tests for the utilities to building and parsing Python objects.
 *
 * Here we concentrate on the generic utilities, with the implementations for
 * specific concrete Python objects tested along with other aspects of the
 * objects.
 */

#include <catch.hpp>

#include <Python.h>

#include <cpypp.hpp>

using namespace cpypp;

TEST_CASE("General utility can make and parse simple integers", "[Handle]")
{

    // Here we use simple integer of unity for the testing, since the result
    // can be tested with relative ease due to the Python singleton handling of
    // first few integers.

    PyObject* one = PyLong_FromLong(1);
    Py_ssize_t curr_count = Py_REFCNT(one);

    {
        Handle from_gen("i", 1);
        CHECK(from_gen.get() == one);
        CHECK(Py_REFCNT(one) == curr_count + 1);

        long val;
        from_gen.as(val);
        CHECK(val == 1);
        CHECK(from_gen.as<long>() == 1);
    }
    CHECK(Py_REFCNT(one) == curr_count);

    Py_DECREF(one);
}