fail | /testing/asserts.ts | std@0.218.0 | Deno

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std/testing/asserts.ts>fail

Deno standard library

denoland/deno_std

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GetConstructorType

assertAlmostEquals

assertArrayIncludes

assertGreaterOrEqual

assertInstanceOf

assertLessOrEqual

assertNotEquals

assertNotInstanceOf

assertNotStrictEquals

assertObjectMatch

assertStrictEquals

assertStringIncludes

DescribeDefinition

ExpectedSpyCall

assertSpyCallArg

assertSpyCallArgs

assertSpyCallAsync

mockSessionAsync

SnapshotOptions

createAssertSnapshot

FakeTimeOptions

The Standard Library has been moved to JSR. See the blog post for details.

function fail

Deprecated

Deprecated

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

import { fail } from "https://deno.land/std@0.218.0/testing/asserts.ts";

Deprecated

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

fail(msg?: string): never

Forcefully throws a failed assertion.

Examples

Example 1

import { fail } from "https://deno.land/std@0.218.0/testing/asserts.ts";

fail("Deliberately failed!"); // Throws

Parameters

optional

msg: string

Returns

never