assertThrows | /dev_deps.ts | cliffy@v0.19.2

Module

x/cliffy/dev_deps.ts>assertThrows

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function assertThrows

import { assertThrows } from "https://deno.land/x/cliffy@v0.19.2/dev_deps.ts";

assertThrows<T = void>(

fn: () => T,

ErrorClass?: Constructor,

msgIncludes?,

msg?: string,

): Error

Executes a function, expecting it to throw. 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.

Type Parameters

optional

T = void

Parameters

fn: () => T

optional

ErrorClass: Constructor

optional

msgIncludes = [UNSUPPORTED]

optional

msg: string

Returns

Error