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354 lines
12 KiB
354 lines
12 KiB
#![allow(
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clippy::assertions_on_constants,
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clippy::cast_possible_truncation,
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clippy::cast_possible_wrap,
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clippy::float_cmp,
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clippy::needless_pass_by_value,
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clippy::unit_cmp,
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clippy::unseparated_literal_suffix
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)]
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use cxx::SharedPtr;
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use cxx_test_suite::module::ffi2;
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use cxx_test_suite::{cast, ffi, R};
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use std::cell::Cell;
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use std::ffi::CStr;
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thread_local! {
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static CORRECT: Cell<bool> = Cell::new(false);
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}
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#[no_mangle]
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extern "C" fn cxx_test_suite_set_correct() {
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CORRECT.with(|correct| correct.set(true));
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}
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macro_rules! check {
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($run:expr) => {{
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CORRECT.with(|correct| correct.set(false));
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$run;
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assert!(CORRECT.with(Cell::get), "{}", stringify!($run));
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}};
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}
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#[test]
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fn test_c_return() {
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let shared = ffi::Shared { z: 2020 };
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let ns_shared = ffi::AShared { z: 2020 };
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let nested_ns_shared = ffi::ABShared { z: 2020 };
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assert_eq!(2020, ffi::c_return_primitive());
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assert_eq!(2020, ffi::c_return_shared().z);
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assert_eq!(2020, ffi::c_return_box().0);
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ffi::c_return_unique_ptr();
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ffi2::c_return_ns_unique_ptr();
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assert_eq!(2020, *ffi::c_return_ref(&shared));
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assert_eq!(2020, *ffi::c_return_ns_ref(&ns_shared));
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assert_eq!(2020, *ffi::c_return_nested_ns_ref(&nested_ns_shared));
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assert_eq!("2020", ffi::c_return_str(&shared));
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assert_eq!(
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b"2020\0",
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cast::c_char_to_unsigned(ffi::c_return_slice_char(&shared)),
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);
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assert_eq!("2020", ffi::c_return_rust_string());
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assert_eq!("2020", ffi::c_return_unique_ptr_string().to_str().unwrap());
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assert_eq!(4, ffi::c_return_unique_ptr_vector_u8().len());
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assert_eq!(
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200_u8,
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ffi::c_return_unique_ptr_vector_u8().into_iter().sum(),
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);
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assert_eq!(
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200.5_f64,
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ffi::c_return_unique_ptr_vector_f64().into_iter().sum(),
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);
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assert_eq!(2, ffi::c_return_unique_ptr_vector_shared().len());
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assert_eq!(
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2021_usize,
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ffi::c_return_unique_ptr_vector_shared()
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.into_iter()
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.map(|o| o.z)
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.sum(),
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);
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assert_eq!(2020, ffi::c_return_identity(2020));
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assert_eq!(2021, ffi::c_return_sum(2020, 1));
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match ffi::c_return_enum(0) {
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enm @ ffi::Enum::AVal => assert_eq!(0, enm.repr),
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_ => assert!(false),
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}
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match ffi::c_return_enum(1) {
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enm @ ffi::Enum::BVal => assert_eq!(2020, enm.repr),
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_ => assert!(false),
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}
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match ffi::c_return_enum(2021) {
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enm @ ffi::Enum::LastVal => assert_eq!(2021, enm.repr),
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_ => assert!(false),
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}
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match ffi::c_return_ns_enum(0) {
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enm @ ffi::AEnum::AAVal => assert_eq!(0, enm.repr),
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_ => assert!(false),
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}
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match ffi::c_return_nested_ns_enum(0) {
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enm @ ffi::ABEnum::ABAVal => assert_eq!(0, enm.repr),
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_ => assert!(false),
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}
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}
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#[test]
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fn test_c_try_return() {
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assert_eq!((), ffi::c_try_return_void().unwrap());
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assert_eq!(2020, ffi::c_try_return_primitive().unwrap());
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assert_eq!(
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"logic error",
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ffi::c_fail_return_primitive().unwrap_err().what(),
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);
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assert_eq!(2020, ffi::c_try_return_box().unwrap().0);
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assert_eq!("2020", *ffi::c_try_return_ref(&"2020".to_owned()).unwrap());
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assert_eq!("2020", ffi::c_try_return_str("2020").unwrap());
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assert_eq!(b"2020", ffi::c_try_return_sliceu8(b"2020").unwrap());
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assert_eq!("2020", ffi::c_try_return_rust_string().unwrap());
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assert_eq!("2020", &*ffi::c_try_return_unique_ptr_string().unwrap());
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}
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#[test]
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fn test_c_take() {
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let unique_ptr = ffi::c_return_unique_ptr();
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let unique_ptr_ns = ffi2::c_return_ns_unique_ptr();
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check!(ffi::c_take_primitive(2020));
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check!(ffi::c_take_shared(ffi::Shared { z: 2020 }));
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check!(ffi::c_take_ns_shared(ffi::AShared { z: 2020 }));
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check!(ffi::ns_c_take_ns_shared(ffi::AShared { z: 2020 }));
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check!(ffi::c_take_nested_ns_shared(ffi::ABShared { z: 2020 }));
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check!(ffi::c_take_box(Box::new(R(2020))));
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check!(ffi::c_take_ref_c(&unique_ptr));
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check!(ffi2::c_take_ref_ns_c(&unique_ptr_ns));
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check!(cxx_test_suite::module::ffi::c_take_unique_ptr(unique_ptr));
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check!(ffi::c_take_str("2020"));
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check!(ffi::c_take_slice_char(cast::unsigned_to_c_char(b"2020")));
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check!(ffi::c_take_slice_shared(&[
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ffi::Shared { z: 2020 },
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ffi::Shared { z: 2021 },
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]));
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let shared_sort_slice = &mut [
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ffi::Shared { z: 2 },
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ffi::Shared { z: 0 },
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ffi::Shared { z: 7 },
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ffi::Shared { z: 4 },
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];
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check!(ffi::c_take_slice_shared_sort(shared_sort_slice));
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assert_eq!(shared_sort_slice[0].z, 0);
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assert_eq!(shared_sort_slice[1].z, 2);
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assert_eq!(shared_sort_slice[2].z, 4);
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assert_eq!(shared_sort_slice[3].z, 7);
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let r_sort_slice = &mut [R(2020), R(2050), R(2021)];
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check!(ffi::c_take_slice_r(r_sort_slice));
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check!(ffi::c_take_slice_r_sort(r_sort_slice));
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assert_eq!(r_sort_slice[0].0, 2020);
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assert_eq!(r_sort_slice[1].0, 2021);
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assert_eq!(r_sort_slice[2].0, 2050);
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check!(ffi::c_take_rust_string("2020".to_owned()));
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check!(ffi::c_take_unique_ptr_string(
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ffi::c_return_unique_ptr_string()
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));
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check!(ffi::c_take_unique_ptr_vector_u8(
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ffi::c_return_unique_ptr_vector_u8()
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));
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check!(ffi::c_take_unique_ptr_vector_f64(
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ffi::c_return_unique_ptr_vector_f64()
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));
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check!(ffi::c_take_unique_ptr_vector_shared(
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ffi::c_return_unique_ptr_vector_shared()
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));
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check!(ffi::c_take_ref_vector(&ffi::c_return_unique_ptr_vector_u8()));
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let test_vec = [86_u8, 75_u8, 30_u8, 9_u8].to_vec();
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check!(ffi::c_take_rust_vec(test_vec.clone()));
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check!(ffi::c_take_rust_vec_index(test_vec.clone()));
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let shared_test_vec = vec![ffi::Shared { z: 1010 }, ffi::Shared { z: 1011 }];
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check!(ffi::c_take_rust_vec_shared(shared_test_vec.clone()));
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check!(ffi::c_take_rust_vec_shared_index(shared_test_vec.clone()));
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check!(ffi::c_take_rust_vec_shared_push(shared_test_vec.clone()));
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check!(ffi::c_take_rust_vec_shared_forward_iterator(
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shared_test_vec,
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));
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let shared_sort_vec = vec![
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ffi::Shared { z: 2 },
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ffi::Shared { z: 0 },
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ffi::Shared { z: 7 },
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ffi::Shared { z: 4 },
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];
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check!(ffi::c_take_rust_vec_shared_sort(shared_sort_vec));
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check!(ffi::c_take_ref_rust_vec(&test_vec));
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check!(ffi::c_take_ref_rust_vec_index(&test_vec));
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check!(ffi::c_take_ref_rust_vec_copy(&test_vec));
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check!(ffi::c_take_ref_shared_string(&ffi::SharedString {
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msg: "2020".to_owned()
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}));
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let ns_shared_test_vec = vec![ffi::AShared { z: 1010 }, ffi::AShared { z: 1011 }];
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check!(ffi::c_take_rust_vec_ns_shared(ns_shared_test_vec));
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let nested_ns_shared_test_vec = vec![ffi::ABShared { z: 1010 }, ffi::ABShared { z: 1011 }];
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check!(ffi::c_take_rust_vec_nested_ns_shared(
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nested_ns_shared_test_vec
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));
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check!(ffi::c_take_enum(ffi::Enum::AVal));
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check!(ffi::c_take_ns_enum(ffi::AEnum::AAVal));
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check!(ffi::c_take_nested_ns_enum(ffi::ABEnum::ABAVal));
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}
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#[test]
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fn test_c_callback() {
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fn callback(s: String) -> usize {
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if s == "2020" {
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cxx_test_suite_set_correct();
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}
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0
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}
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check!(ffi::c_take_callback(callback));
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}
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#[test]
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fn test_c_call_r() {
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fn cxx_run_test() {
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extern "C" {
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fn cxx_run_test() -> *const i8;
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}
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let failure = unsafe { cxx_run_test() };
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if !failure.is_null() {
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let msg = unsafe { CStr::from_ptr(failure as *mut std::os::raw::c_char) };
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eprintln!("{}", msg.to_string_lossy());
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}
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}
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check!(cxx_run_test());
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}
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#[test]
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fn test_c_method_calls() {
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let mut unique_ptr = ffi::c_return_unique_ptr();
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let old_value = unique_ptr.get();
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assert_eq!(2020, old_value);
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assert_eq!(2021, unique_ptr.pin_mut().set(2021));
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assert_eq!(2021, unique_ptr.get());
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assert_eq!(2021, unique_ptr.get2());
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assert_eq!(2021, *unique_ptr.getRef());
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assert_eq!(2021, *unique_ptr.pin_mut().getMut());
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assert_eq!(2022, unique_ptr.pin_mut().set_succeed(2022).unwrap());
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assert!(unique_ptr.pin_mut().get_fail().is_err());
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assert_eq!(2021, ffi::Shared { z: 0 }.c_method_on_shared());
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assert_eq!(2022, *ffi::Shared { z: 2022 }.c_method_ref_on_shared());
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assert_eq!(2023, *ffi::Shared { z: 2023 }.c_method_mut_on_shared());
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let val = 42;
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let mut array = ffi::Array { a: [0, 0, 0, 0] };
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array.c_set_array(val);
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assert_eq!(array.a.len() as i32 * val, array.r_get_array_sum());
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}
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#[test]
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fn test_shared_ptr_weak_ptr() {
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let shared_ptr = ffi::c_return_shared_ptr();
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let weak_ptr = SharedPtr::downgrade(&shared_ptr);
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assert_eq!(1, ffi::c_get_use_count(&weak_ptr));
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assert!(!weak_ptr.upgrade().is_null());
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assert_eq!(1, ffi::c_get_use_count(&weak_ptr));
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drop(shared_ptr);
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assert_eq!(0, ffi::c_get_use_count(&weak_ptr));
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assert!(weak_ptr.upgrade().is_null());
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}
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#[test]
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fn test_c_ns_method_calls() {
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let unique_ptr = ffi2::ns_c_return_unique_ptr_ns();
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let old_value = unique_ptr.get();
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assert_eq!(1000, old_value);
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}
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#[test]
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fn test_enum_representations() {
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assert_eq!(0, ffi::Enum::AVal.repr);
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assert_eq!(2020, ffi::Enum::BVal.repr);
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assert_eq!(2021, ffi::Enum::LastVal.repr);
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}
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#[test]
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fn test_debug() {
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assert_eq!("Shared { z: 1 }", format!("{:?}", ffi::Shared { z: 1 }));
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assert_eq!("BVal", format!("{:?}", ffi::Enum::BVal));
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assert_eq!("Enum(9)", format!("{:?}", ffi::Enum { repr: 9 }));
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}
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#[no_mangle]
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extern "C" fn cxx_test_suite_get_box() -> *mut R {
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Box::into_raw(Box::new(R(2020usize)))
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}
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#[no_mangle]
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unsafe extern "C" fn cxx_test_suite_r_is_correct(r: *const R) -> bool {
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(*r).0 == 2020
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}
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#[test]
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fn test_rust_name_attribute() {
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assert_eq!("2020", ffi::i32_overloaded_function(2020));
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assert_eq!("2020", ffi::str_overloaded_function("2020"));
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let unique_ptr = ffi::c_return_unique_ptr();
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assert_eq!("2020", unique_ptr.i32_overloaded_method(2020));
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assert_eq!("2020", unique_ptr.str_overloaded_method("2020"));
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}
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#[test]
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fn test_extern_trivial() {
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let mut d = ffi2::c_return_trivial();
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check!(ffi2::c_take_trivial_ref(&d));
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check!(d.c_take_trivial_ref_method());
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check!(d.c_take_trivial_mut_ref_method());
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check!(ffi2::c_take_trivial(d));
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let mut d = ffi2::c_return_trivial_ptr();
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check!(d.c_take_trivial_ref_method());
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check!(d.c_take_trivial_mut_ref_method());
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check!(ffi2::c_take_trivial_ptr(d));
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cxx::UniquePtr::new(ffi2::D { d: 42 });
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let d = ffi2::ns_c_return_trivial();
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check!(ffi2::ns_c_take_trivial(d));
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let g = ffi2::c_return_trivial_ns();
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check!(ffi2::c_take_trivial_ns_ref(&g));
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check!(ffi2::c_take_trivial_ns(g));
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let g = ffi2::c_return_trivial_ns_ptr();
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check!(ffi2::c_take_trivial_ns_ptr(g));
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cxx::UniquePtr::new(ffi2::G { g: 42 });
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}
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#[test]
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fn test_extern_opaque() {
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let mut e = ffi2::c_return_opaque_ptr();
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check!(ffi2::c_take_opaque_ref(e.as_ref().unwrap()));
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check!(e.c_take_opaque_ref_method());
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check!(e.pin_mut().c_take_opaque_mut_ref_method());
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check!(ffi2::c_take_opaque_ptr(e));
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let f = ffi2::c_return_ns_opaque_ptr();
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check!(ffi2::c_take_opaque_ns_ref(f.as_ref().unwrap()));
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check!(ffi2::c_take_opaque_ns_ptr(f));
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}
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#[test]
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fn test_raw_ptr() {
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let c = ffi::c_return_mut_ptr(2023);
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let mut c_unique = unsafe { cxx::UniquePtr::from_raw(c) };
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assert_eq!(2023, c_unique.pin_mut().set_succeed(2023).unwrap());
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// c will be dropped as it's now in a UniquePtr
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let c2 = ffi::c_return_mut_ptr(2024);
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assert_eq!(2024, unsafe { ffi::c_take_const_ptr(c2) });
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assert_eq!(2024, unsafe { ffi::c_take_mut_ptr(c2) }); // deletes c2
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let c3 = ffi::c_return_const_ptr(2025);
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assert_eq!(2025, unsafe { ffi::c_take_const_ptr(c3) });
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assert_eq!(2025, unsafe { ffi::c_take_mut_ptr(c3 as *mut ffi::C) }); // deletes c3
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}
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