const testModule = require(`./target/debug/libtest_module.node`) function testSpawn() { console.log('=== Test spawning a future on libuv event loop') return testModule.testSpawn() } function testThrow() { console.log('=== Test throwing from Rust') try { testModule.testThrow() } catch (e) { return } console.error('Expected function to throw an error') process.exit(1) } const future = testSpawn() // https://github.com/nodejs/node/issues/29355 setTimeout(() => { future.then(testThrow).catch((e) => { console.error(e) process.exit(1) }) }, 10)