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@std/testing@0.215.0

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It is unknown whether this package works with Browsers
It is unknown whether this package works with Deno
It is unknown whether this package works with Node.js
It is unknown whether this package works with Cloudflare Workers
It is unknown whether this package works with Bun
•JSR Score52%•
Published2 years ago (0.215.0)
function assertFalse
assertFalse(
expr: unknown,
msg?
): asserts expr is Falsy
Deprecated

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

Make an assertion, error will be thrown if expr have truthy value.

Examples

Example 1

import { assertFalse } from "@std/testing/asserts";

assertFalse(false); // Doesn't throw
assertFalse(true); // Throws

Parameters

expr: unknown
optional
msg

Return Type

asserts expr is Falsy

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Add Package

deno add jsr:@std/testing

Import symbol

import { assertFalse } from "@std/testing/asserts";
or

Import directly with a jsr specifier

import { assertFalse } from "jsr:@std/testing/asserts";