sfcgal_sys/
lib.rs

1#![allow(non_upper_case_globals)]
2#![allow(non_camel_case_types)]
3#![allow(non_snake_case)]
4
5use std::sync::Once;
6
7include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
8
9pub fn initialize() {
10    static INIT: Once = Once::new();
11    INIT.call_once(|| unsafe {
12        sfcgal_init();
13        w_sfcgal_init_handlers();
14    });
15}
16
17#[cfg(test)]
18mod tests {
19    use crate::*;
20    use std::ffi::{CStr, CString};
21
22    fn _string(raw_ptr: *const std::os::raw::c_char) -> String {
23        let c_str = unsafe { CStr::from_ptr(raw_ptr) };
24        std::str::from_utf8(c_str.to_bytes()).unwrap().to_string()
25    }
26
27    #[test]
28    fn it_works() {
29        initialize();
30        let wkt1 = CString::new("POINT(1.0 1.0)").expect("CString::new failed");
31        let point1 = unsafe { sfcgal_io_read_wkt(wkt1.as_ptr(), 14) };
32        let wkt2 = CString::new("POINT(10.0 1.0)").expect("CString::new failed");
33        let point2 = unsafe { sfcgal_io_read_wkt(wkt2.as_ptr(), 15) };
34        let distance = unsafe { sfcgal_geometry_distance(point1, point2) };
35        assert_eq!(distance, 9.0);
36    }
37
38    #[test]
39    fn it_handles_errors() {
40        initialize();
41        let wkt1 = CString::new("POINT(1, 1)").expect("CString::new failed");
42        let _point1 = unsafe { sfcgal_io_read_wkt(wkt1.as_ptr(), 10) };
43        let message = unsafe { w_sfcgal_get_last_error() };
44        assert_eq!(
45            _string(message),
46            String::from("WKT parse error, Coordinate dimension < 2 (, 1)"),
47        );
48    }
49}
sfcgal_sys/lib.rs

sfcgal_sys/
lib.rs
