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Module

std/testing/asserts.ts>assert

The Deno Standard Library
denoland/deno_std
Latest
function assert
Deprecated
Deprecated

(will be removed after 1.0.0) Import from https://deno.land/std/assert/assert.ts instead.

import { assert } from "https://deno.land/std@0.223.0/testing/asserts.ts";

Make an assertion, error will be thrown if expr does not have truthy value.

Examples

Example 1

import { assert } from "https://deno.land/std@0.223.0/testing/asserts.ts";

assert("hello".includes("ello")); // Doesn't throw
assert("hello".includes("world")); // Throws

Parameters

expr: unknown
optional
msg = [UNSUPPORTED]

Returns

asserts expr