pyo3/tests/test_various.rs
2018-09-21 23:34:28 +02:00

70 lines
1.4 KiB
Rust

#![feature(specialization)]
#[macro_use]
extern crate pyo3;
use pyo3::prelude::*;
use pyo3::types::PyDict;
use std::isize;
#[macro_use]
mod common;
#[pyclass]
struct MutRefArg {
n: i32,
token: PyToken,
}
#[pymethods]
impl MutRefArg {
fn get(&self) -> PyResult<i32> {
Ok(self.n)
}
fn set_other(&self, other: &mut MutRefArg) -> PyResult<()> {
other.n = 100;
Ok(())
}
}
#[test]
fn mut_ref_arg() {
let gil = Python::acquire_gil();
let py = gil.python();
let inst1 = py.init(|t| MutRefArg { token: t, n: 0 }).unwrap();
let inst2 = py.init(|t| MutRefArg { token: t, n: 0 }).unwrap();
let d = PyDict::new(py);
d.set_item("inst1", &inst1).unwrap();
d.set_item("inst2", &inst2).unwrap();
py.run("inst1.set_other(inst2)", None, Some(d)).unwrap();
assert_eq!(inst2.as_ref(py).n, 100);
}
#[pyclass]
struct PyUsize {
#[prop(get)]
pub value: usize,
}
#[pyfunction]
fn get_zero() -> PyResult<PyUsize> {
Ok(PyUsize { value: 0 })
}
#[test]
/// Checks that we can use return a custom class in arbitrary function and use those functions
/// both in rust and python
fn return_custom_class() {
let gil = Python::acquire_gil();
let py = gil.python();
// Using from rust
assert_eq!(get_zero().unwrap().value, 0);
// Using from python
let get_zero = wrap_function!(get_zero)(py);
py_assert!(py, get_zero, "get_zero().value == 0");
}