import { asserts } from "https://deno.land/x/statsd@0.5.0/testDeps.ts";
const { assertThrowsAsync } = asserts;
Executes a function which returns a promise, expecting it to throw or reject. If it does not, then it throws. An error class and a string that should be included in the error message can also be asserted.
Parameters
fn: () => Promise<T>