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class assert.AssertionError

extends Error

Indicates the failure of an assertion. All errors thrown by the node:assert module will be instances of the AssertionError class.

Constructors #

#AssertionError(options?: { message?: string | undefined; actual?: unknown | undefined; expected?: unknown | undefined; operator?: string | undefined; stackStartFn?: Function | undefined; })
new

Properties #

#actual: unknown

Set to the actual argument for methods such as assert.strictEqual().

#code: "ERR_ASSERTION"

Value is always ERR_ASSERTION to show that the error is an assertion error.

#expected: unknown

Set to the expected argument for methods such as assert.strictEqual().

#generatedMessage: boolean

Indicates if the message was auto-generated (true) or not.

#operator: string

Set to the passed in operator value.

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