deno.land / x / deno@v1.28.2 / test_napi / src / async.rs

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use napi_sys::Status::napi_ok;use napi_sys::ValueType::napi_function;use napi_sys::*;use std::os::raw::{c_char, c_void};use std::ptr;
pub struct Baton { called: bool, func: napi_ref, task: napi_async_work,}
unsafe extern "C" fn execute(_env: napi_env, data: *mut c_void) { let baton: &mut Baton = &mut *(data as *mut Baton); assert!(!baton.called); assert!(!baton.func.is_null());
baton.called = true;}
unsafe extern "C" fn complete( env: napi_env, status: napi_status, data: *mut c_void,) { assert!(status == napi_ok); let baton: Box<Baton> = Box::from_raw(data as *mut Baton); assert!(baton.called); assert!(!baton.func.is_null());
let mut global: napi_value = ptr::null_mut(); assert!(napi_get_global(env, &mut global) == napi_ok);
let mut callback: napi_value = ptr::null_mut(); assert!(napi_get_reference_value(env, baton.func, &mut callback) == napi_ok);
let mut _result: napi_value = ptr::null_mut(); assert!( napi_call_function(env, global, callback, 0, ptr::null(), &mut _result) == napi_ok );
assert!(napi_delete_reference(env, baton.func) == napi_ok); assert!(napi_delete_async_work(env, baton.task) == napi_ok);}
extern "C" fn test_async_work( env: napi_env, info: napi_callback_info,) -> napi_value { let (args, argc, _) = crate::get_callback_info!(env, info, 1); assert_eq!(argc, 1);
let mut ty = -1; assert!(unsafe { napi_typeof(env, args[0], &mut ty) } == napi_ok); assert_eq!(ty, napi_function);
let mut resource_name: napi_value = ptr::null_mut(); assert!( unsafe { napi_create_string_utf8( env, "test_async_resource\0".as_ptr() as *const c_char, usize::MAX, &mut resource_name, ) } == napi_ok );
let mut async_work: napi_async_work = ptr::null_mut();
let mut func: napi_ref = ptr::null_mut(); assert!( unsafe { napi_create_reference(env, args[0], 1, &mut func) } == napi_ok ); let baton = Box::new(Baton { called: false, func, task: async_work, });
assert!( unsafe { napi_create_async_work( env, ptr::null_mut(), resource_name, Some(execute), Some(complete), Box::into_raw(baton) as *mut c_void, &mut async_work, ) } == napi_ok ); assert!(unsafe { napi_queue_async_work(env, async_work) } == napi_ok);
ptr::null_mut()}
pub fn init(env: napi_env, exports: napi_value) { let properties = &[crate::new_property!( env, "test_async_work\0", test_async_work )];
unsafe { napi_define_properties(env, exports, properties.len(), properties.as_ptr()) };}
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