xgboost_sys/
lib.rs

1#![allow(non_upper_case_globals)]
2#![allow(non_camel_case_types)]
3#![allow(non_snake_case)]
4
5include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
6
7#[cfg(test)]
8mod tests {
9    use super::*;
10
11    #[test]
12    fn read_matrix() {
13        let dmat_train = "xgboost/demo/data/agaricus.txt.train";
14
15        let silent = 0;
16        let mut handle = std::ptr::null_mut();
17        let fname = std::ffi::CString::new(dmat_train).unwrap();
18        let ret_val = unsafe { XGDMatrixCreateFromFile(fname.as_ptr(), silent, &mut handle) };
19        assert_eq!(ret_val, 0);
20
21        let mut num_rows = 0;
22        let ret_val = unsafe { XGDMatrixNumRow(handle, &mut num_rows) };
23        assert_eq!(ret_val, 0);
24        assert_eq!(num_rows, 6513);
25
26        let mut num_cols = 0;
27        let ret_val = unsafe { XGDMatrixNumCol(handle, &mut num_cols) };
28        assert_eq!(ret_val, 0);
29        assert_eq!(num_cols, 127);
30
31        let ret_val = unsafe { XGDMatrixFree(handle) };
32        assert_eq!(ret_val, 0);
33    }
34}