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use cxx_gen::{generate_header_and_cc, Opt};
use std::str;
const BRIDGE0: &str = r#"
#[cxx::bridge]
mod ffi {
unsafe extern "C++" {
pub fn do_cpp_thing(foo: &str);
}
}
"#;
#[test]
fn test_extern_c_function() {
let opt = Opt::default();
let source = BRIDGE0.parse().unwrap();
let generated = generate_header_and_cc(source, &opt).unwrap();
let output = str::from_utf8(&generated.implementation).unwrap();
// To avoid continual breakage we won't test every byte.
// Let's look for the major features.
assert!(output.contains("void cxxbridge1$do_cpp_thing(::rust::Str foo)"));
}
#[test]
fn test_impl_annotation() {
let mut opt = Opt::default();
opt.cxx_impl_annotations = Some("ANNOTATION".to_owned());
let source = BRIDGE0.parse().unwrap();
let generated = generate_header_and_cc(source, &opt).unwrap();
let output = str::from_utf8(&generated.implementation).unwrap();
assert!(output.contains("ANNOTATION void cxxbridge1$do_cpp_thing(::rust::Str foo)"));
}
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