rust/src/test/run-pass/cabi-int-widening.rs
2018-12-25 21:08:33 -07:00

15 lines
250 B
Rust

// ignore-wasm32-bare no libc to test ffi with
#[link(name = "rust_test_helpers", kind = "static")]
extern {
fn rust_int8_to_int32(_: i8) -> i32;
}
fn main() {
let x = unsafe {
rust_int8_to_int32(-1)
};
assert!(x == -1);
}