@plugjs/expect5
Version:
Unit Testing for the PlugJS Build System ========================================
834 lines (700 loc) • 26.8 kB
text/typescript
import { Expectations } from './expectations'
import { matcherMarker } from './types'
import type {
AssertedType,
AssertionFunction,
ExpectationsParent,
InferMatcher,
InferToEqual,
NegativeExpectations,
} from './expectations'
import type {
Constructor,
TypeMappings,
TypeName,
} from './types'
type PositiveMatcherFunction = (expectations: Expectations) => Expectations
type NegativeMatcherFunction = (expectations: NegativeExpectations) => Expectations
/* ========================================================================== *
* MATCHERS *
* ========================================================================== */
export class Matcher<T = unknown> {
private readonly _matchers: PositiveMatcherFunction[]
readonly not: NegativeMatchers<T>
constructor() {
const matchers: PositiveMatcherFunction[] = []
this.not = new NegativeMatchers(this, matchers)
this._matchers = matchers
}
expect(value: unknown, parent?: ExpectationsParent): T {
let expectations = new Expectations(value, undefined, parent)
for (const matcher of this._matchers) {
expectations = matcher(expectations)
}
return expectations.value as T
}
private _push(matcher: PositiveMatcherFunction): Matcher<any> {
const matchers = new Matcher()
matchers._matchers.push(...this._matchers, matcher)
return matchers
}
static {
(this.prototype as any)[matcherMarker] = matcherMarker
}
/* ------------------------------------------------------------------------ *
* BASIC *
* ------------------------------------------------------------------------ */
/**
* Expects the value to be of the specified _extended_ {@link TypeName type}.
*
* Negation: {@link NegativeExpectations.toBeA `not.toBeA(...)`}
*/
toBeA<Name extends TypeName>(type: Name): Matcher<TypeMappings[Name]>
/**
* Expects the value to be of the specified _extended_ {@link TypeName type},
* and further validates it with a {@link Matcher}.
*
* Negation: {@link NegativeExpectations.toBeA `not.toBeA(...)`}
*/
toBeA<
Name extends TypeName,
Mapped extends TypeMappings[Name],
Match extends Matcher,
>(
type: Name,
matcher: Match,
): Matcher<InferMatcher<Mapped, Match>>
/**
* Expects the value to be of the specified _extended_ {@link TypeName type},
* and further asserts it with an {@link AssertionFunction}.
*
* Negation: {@link NegativeExpectations.toBeA `not.toBeA(...)`}
*/
toBeA<
Name extends TypeName,
Mapped extends TypeMappings[Name],
Assert extends AssertionFunction<Mapped>,
>(
type: Name,
assertion: Assert,
): Matcher<AssertedType<Mapped, Assert>>
toBeA(
type: TypeName,
assertionOrMatcher?: AssertionFunction | Matcher,
): Matcher {
return this._push((e) => e.toBeA(type, assertionOrMatcher as any))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `Date`, a `string` parseable into a `Date`, or a
* `number` indicating the milliseconds from the epoch, _strictly after_
* the specified date.
*
* Negation: {@link Matcher.toBeBeforeOrEqual `toBeBeforeOrEqual(...)`}
*/
toBeAfter(value: Date | number | string, deltaMs?: number): Matcher<T> {
return this._push((e) => e.toBeAfter(value, deltaMs))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `Date`, a `string` parseable into a `Date`, or a
* `number` indicating the milliseconds from the epoch, _after or equal_
* the specified date.
*
* Negation: {@link Matcher.toBeBefore `toBeBefore(...)`}
*/
toBeAfterOrEqual(value: Date | number | string, deltaMs?: number): Matcher<T> {
return this._push((e) => e.toBeAfterOrEqual(value, deltaMs))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `Date`, a `string` parseable into a `Date`, or a
* `number` indicating the milliseconds from the epoch, _strictly before_
* the specified date.
*
* Negation: {@link Matcher.toBeAfterOrEqual `toBeAfterOrEqual(...)`}
*/
toBeBefore(value: Date | number | string, deltaMs?: number): Matcher<T> {
return this._push((e) => e.toBeBefore(value, deltaMs))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `Date`, a `string` parseable into a `Date`, or a
* `number` indicating the milliseconds from the epoch, _before or equal_
* the specified date.
*
* Negation: {@link Matcher.toBeAfter `toBeAfter(...)`}
*/
toBeBeforeOrEqual(value: Date | number | string, deltaMs?: number): Matcher<T> {
return this._push((e) => e.toBeBeforeOrEqual(value, deltaMs))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` within a given +/- _delta_ range of the
* specified expected value.
*
* Negation: {@link NegativeMatchers.toBeCloseTo `not.toBeCloseTo(...)`}
*/
toBeCloseTo(value: number, delta: number): Matcher<number>
/**
* Expects the value to be a `bigint` within a given +/- _delta_ range of the
* specified expected value.
*
* Negation: {@link NegativeMatchers.toBeCloseTo `not.toBeCloseTo(...)`}
*/
toBeCloseTo(value: bigint, delta: bigint): Matcher<bigint>
/**
* Expects the value to be a `number` or `bigint` within a given +/- _delta_
* range of the specified expected value.
*
* Negation: {@link NegativeMatchers.toBeCloseTo `not.toBeCloseTo(...)`}
*/
toBeCloseTo(
value: number | bigint,
delta: number | bigint,
): Matcher {
return this._push((e) => e.toBeCloseTo(value as number, delta as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be neither `null` nor `undefined`.
*
* Negation: {@link NegativeMatchers.toBeDefined `not.toBeDefined()`}
*/
toBeDefined(): Matcher<T> {
return this._push((e) => e.toBeDefined())
}
/* ------------------------------------------------------------------------ */
/**
* Expect the value to be an instance of {@link Error}.
*
* If specified, the {@link Error}'s own message will be further expected to
* either match the specified {@link RegExp}, or equal the specified `string`.
*/
toBeError(
message?: string | RegExp
): Matcher<Error>
/**
* Expect the value to be an instance of {@link Error} and further asserts
* it to be an instance of the specifed {@link Error} {@link Constructor}.
*
* If specified, the {@link Error}'s own message will be further expected to
* either match the specified {@link RegExp}, or equal the specified `string`.
*/
toBeError<Class extends Constructor<Error>>(
constructor: Class,
message?: string | RegExp,
): Matcher<InstanceType<Class>>
toBeError(
constructorOrMessage?: string | RegExp | Constructor,
maybeMessage?: string | RegExp,
): Matcher {
const [ constructor, message ] =
typeof constructorOrMessage === 'function' ?
[ constructorOrMessage, maybeMessage ] :
[ Error, constructorOrMessage ]
return this._push((e) => e.toBeError(constructor, message))
}
/* ------------------------------------------------------------------------ */
/** Expects the value strictly equal to `false`. */
toBeFalse(): Matcher<false> {
return this._push((e) => e.toBeFalse())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be _falsy_ (zero, empty string, `false`, ...).
*
* Negation: {@link Matcher.toBeTruthy `toBeTruthy()`}
*/
toBeFalsy(): Matcher<T> {
return this._push((e) => e.toBeFalsy())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` greater than the specified* expected
* value.
*
* Negation: {@link Matcher.toBeLessThanOrEqual `toBeLessThanOrEqual(...)`}
*/
toBeGreaterThan(value: number): Matcher<number>
/**
* Expects the value to be a `bigint` greater than the specified expected
* value.
*
* Negation: {@link Matcher.toBeLessThanOrEqual `toBeLessThanOrEqual(...)`}
*/
toBeGreaterThan(value: bigint): Matcher<bigint>
toBeGreaterThan(value: number | bigint): Matcher {
return this._push((e) => e.toBeGreaterThan(value as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` greater than or equal to the specified
* expected value.
*
* Negation: {@link Matcher.toBeLessThan `toBeLessThan(...)`}
*/
toBeGreaterThanOrEqual(value: number): Matcher<number>
/**
* Expects the value to be a `bigint` greater than or equal to the specified
* expected value.
*
* Negation: {@link Matcher.toBeLessThan `toBeLessThan(...)`}
*/
toBeGreaterThanOrEqual(value: bigint): Matcher<bigint>
toBeGreaterThanOrEqual(value: number | bigint): Matcher {
return this._push((e) => e.toBeGreaterThanOrEqual(value as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be an instance of the specified {@link Constructor}.
*
* Negation: {@link NegativeMatchers.toBeInstanceOf `not.toInstanceOf(...)`}
*/
toBeInstanceOf<Class extends Constructor>(
constructor: Class,
): Matcher<InstanceType<Class>>
/**
* Expects the value to be an instance of the specified {@link Constructor},
* and further validates it with a {@link Matcher}.
*
* Negation: {@link NegativeMatchers.toBeInstanceOf `not.toInstanceOf(...)`}
*/
toBeInstanceOf<Class extends Constructor, Match extends Matcher>(
constructor: Class,
matcher: Match,
): Matcher<InferMatcher<InstanceType<Class>, Match>>
/**
* Expects the value to be an instance of the specified {@link Constructor},
* and further asserts it with an {@link AssertionFunction}.
*
* Negation: {@link NegativeMatchers.toBeInstanceOf `not.toInstanceOf(...)`}
*/
toBeInstanceOf<
Class extends Constructor,
Assert extends AssertionFunction<InstanceType<Class>>,
>(
constructor: Class,
assertion: Assert,
): Matcher<AssertedType<InstanceType<Class>, Assert>>
toBeInstanceOf(
constructor: Constructor,
assertionOrMatcher?: AssertionFunction | Matcher,
): Matcher {
return this._push((e) => e.toBeInstanceOf(constructor, assertionOrMatcher as any))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` less than the specified expected value.
*
* Negation: {@link Matcher.toBeGreaterThanOrEqual `toBeGreaterThanOrEqual(...)`}
*/
toBeLessThan(value: number): Matcher<number>
/**
* Expects the value to be a `bigint` less than the specified expected value.
*
* Negation: {@link Matcher.toBeGreaterThanOrEqual `toBeGreaterThanOrEqual(...)`}
*/
toBeLessThan(value: bigint): Matcher<bigint>
toBeLessThan(value: number | bigint): Matcher {
return this._push((e) => e.toBeLessThan(value as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` less than or equal to* the specified
* expected value.
*
* Negation: {@link Matcher.toBeGreaterThan `toBeGreaterThan(...)`}
*/
toBeLessThanOrEqual(value: number): Matcher<number>
/**
* Expects the value to be a `bigint` less than or equal to the specified
* expected value.
*
* Negation: {@link Matcher.toBeGreaterThan `toBeGreaterThan(...)`}
*/
toBeLessThanOrEqual(value: bigint): Matcher<bigint>
toBeLessThanOrEqual(value: number | bigint): Matcher {
return this._push((e) => e.toBeLessThanOrEqual(value as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be `NaN`.
*
* Negation: {@link NegativeMatchers.toBeNaN `not.toBeNaN()`}
*/
toBeNaN(): Matcher<number> {
return this._push((e) => e.toBeNaN())
}
/* ------------------------------------------------------------------------ */
/** Expects the value to strictly equal `null`. */
toBeNull(): Matcher<null> {
return this._push((e) => e.toBeNull())
}
/* ------------------------------------------------------------------------ */
/** Expects the value to strictly equal `true`. */
toBeTrue(): Matcher<true> {
return this._push((e) => e.toBeTrue())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be _falsy_ (non-zero, non-empty string, ...).
*
* Negation: {@link Matcher.toBeFalsy `toBeFalsy()`}
*/
toBeTruthy(): Matcher<T> {
return this._push((e) => e.toBeTruthy())
}
/* ------------------------------------------------------------------------ */
/** Expects the value to strictly equal `undefined`. */
toBeUndefined(): Matcher<undefined> {
return this._push((e) => e.toBeUndefined())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` within the specified range where the
* minimum and maximum values are inclusive.
*
* Negation: {@link NegativeMatchers.toBeWithinRange `not.toBeWithinRange(...)`}
*/
toBeWithinRange(min: number, max: number): Matcher<number>
/**
* Expects the value to be a `bigint` within the specified range where the
* minimum and maximum values are inclusive.
*
* Negation: {@link NegativeMatchers.toBeWithinRange `not.toBeWithinRange(...)`}
*/
toBeWithinRange(min: bigint, max: bigint): Matcher<bigint>
/**
* Expects the value to be a `number` or `bigint` within the specified range
* where minimum and maximum values are inclusive.
*
* Negation: {@link NegativeMatchers.toBeWithinRange `not.toBeWithinRange(...)`}
*/
toBeWithinRange( min: number | bigint, max: number | bigint): Matcher {
return this._push((e) => e.toBeWithinRange(min as number, max as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be _deep equal to_ the specified expected one.
*
* Negation: {@link NegativeMatchers.toEqual `not.toEqual(...)`}
*/
toEqual<Type>(expected: Type): Matcher<InferToEqual<Type>> {
return this._push((e) => e.toEqual(expected))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to have a `number` _property_ `length` with the specified
* expected value.
*
* Negation: {@link NegativeMatchers.toHaveLength `not.toHaveLength(...)`}
*/
toHaveLength(length: number): Matcher<T & { length: number }> {
return this._push((e) => e.toHaveLength(length))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to have the specified _property_.
*
* Negation: {@link NegativeExpectations.toHaveProperty `not.toHaveProperty(...)`}
*/
toHaveProperty<Prop extends string | number | symbol>(
property: Prop,
): Matcher<T & { [keyt in Prop] : unknown }>
/**
* Expects the value to have the specified _property_ and validates its value
* with a {@link Matcher}.
*
* Negation: {@link NegativeExpectations.toHaveProperty `not.toHaveProperty(...)`}
*/
toHaveProperty<
Prop extends string | number | symbol,
Match extends Matcher,
>(
property: Prop,
matcher: Match,
): Matcher<T & { [keyt in Prop] : InferMatcher<unknown, Match> }>
/**
* Expects the value to have the specified _property_ and further asserts
* its value with an {@link AssertionFunction}.
*
* Negation: {@link NegativeMatchers.toHaveProperty `not.toHaveProperty(...)`}
*/
toHaveProperty<
Prop extends string | number | symbol,
Assert extends AssertionFunction,
>(
property: Prop,
assertion: Assert,
): Matcher<T & { [keyt in Prop] : AssertedType<unknown, Assert> }>
toHaveProperty(
property: string | number | symbol,
assertionOrMatcher?: AssertionFunction | Matcher,
): Matcher {
return this._push((e) => e.toHaveProperty(property, assertionOrMatcher as any))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to have a `number` _property_ `size` with the specified
* expected value.
*
* Negation: {@link NegativeMatchers.toHaveSize `not.toHaveSize(...)`}
*/
toHaveSize(size: number): Matcher<T & { size: number }> {
return this._push((e) => e.toHaveSize(size))
}
/* ------------------------------------------------------------------------ */
/**
* Expect the value to include _all_ properties from the specified _object_.
*
* If the object being expected is a {@link Map}, the properties specified
* here will be treated as _mappings_ for said {@link Map}.
*
* Negation: {@link NegativeMatchers.toInclude `not.toInclude(...)`}
*/
toInclude<P extends Record<string, any>>(properties: P): Matcher<T>
/**
* Expect the value to include _all_ mappings from the specified {@link Map}.
*
* Negation: {@link NegativeMatchers.toInclude `not.toInclude(...)`}
*/
toInclude(mappings: Map<any, any>): Matcher<T>
/**
* Expect the value to be an {@link Iterable} object includind _all_ values
* from the specified {@link Set}, in any order.
*
* Negation: {@link NegativeMatchers.toInclude `not.toInclude(...)`}
*/
toInclude(entries: Set<any>): Matcher<T>
/**
* Expect the value to be an {@link Iterable} object includind _all_ values
* from the specified _array_, in any order.
*
* Negation: {@link NegativeMatchers.toInclude `not.toInclude(...)`}
*/
toInclude(values: any[]): Matcher<T>
toInclude(
contents: Record<string, any> | Map<any, any> | Set<any> | any[],
): Matcher {
return this._push((e) => e.toInclude(contents))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `string` _matching_ the specified sub-`string`
* or {@link RegExp}.
*
* Negation: {@link NegativeMatchers.toMatch `not.toMatch(...)`}
*/
toMatch<Match extends string | RegExp>(
matcher: Match,
): Matcher<string> {
return this._push((e) => e.toMatch(matcher))
}
/* ------------------------------------------------------------------------ */
/**
* Expect the value to be an {@link Iterable} object includind _all_ values
* (and only those values) from the specified _array_, in any order.
*/
toMatchContents(contents: any[]): Matcher<T>
/**
* Expect the value to be an {@link Iterable} object includind _all_ values
* (and only those values) from the specified {@link Set}, in any order.
*/
toMatchContents(contents: Set<any>): Matcher<T>
toMatchContents(contents: any[] | Set<any>): Matcher {
return this._push((e) => e.toMatchContents(contents))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be _strictly equal to_ the specified expected one.
*
* Negation: {@link NegativeMatchers.toStrictlyEqual `not.toStrictlyEqual(...)`}
*/
toStrictlyEqual<Type>(expected: Type): Matcher<Type> {
return this._push((e) => e.toStrictlyEqual(expected))
}
}
/* ========================================================================== *
* NEGATIVE MATCHERS *
* ========================================================================== */
export class NegativeMatchers<T = unknown> {
constructor(
private readonly _instance: Matcher<T>,
private readonly _matchers: PositiveMatcherFunction[],
) {}
private _push(matcher: NegativeMatcherFunction): Matcher<any> {
this._matchers.push((expectations) => matcher(expectations.not))
return this._instance
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to be of the specified _extended_
* {@link TypeName type}.
*
* Negates: {@link Matcher.toBeA `toBeA(...)`}
*/
toBeA(type: TypeName): Matcher<T> {
return this._push((e) => e.toBeA(type))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` _**OUTSIDE**_ of the given +/- _delta_
* range of the specified expected value.
*
* Negates: {@link Matcher.toBeCloseTo `toBeCloseTo(...)`}
*/
toBeCloseTo(value: number, delta: number): Matcher<number>
/**
* Expects the value to be a `bigint` _**OUTSIDE**_ of the given +/- _delta_
* range of the specified expected value.
*
* Negates: {@link Matcher.toBeCloseTo `toBeCloseTo(...)`}
*/
toBeCloseTo(value: bigint, delta: bigint): Matcher<bigint>
toBeCloseTo(value: number | bigint, delta: number | bigint): Matcher {
return this._push((e) => e.toBeCloseTo(value as number, delta as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be either `null` or `undefined`.
*
* Negates: {@link Matcher.toBeDefined `toBeDefined()`}
*/
toBeDefined(): Matcher<null | undefined> {
return this._push((e) => e.toBeDefined())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to be an instance of the specified
* {@link Constructor}.
*
* Negates: {@link Matcher.toBeInstanceOf `toBeInstanceOf(...)`}
*/
toBeInstanceOf(constructor: Constructor): Matcher<T> {
return this._push((e) => e.toBeInstanceOf(constructor))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to be `NaN`.
*
* Negates: {@link Matcher.toBeNaN `toBeNaN()`}
*/
toBeNaN(): Matcher<number> {
return this._push((e) => e.toBeNaN())
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `number` _**OUTSIDE**_ of the specified range
* where minimum and maximum values are inclusive.
*
* Negates: {@link Matcher.toBeWithinRange `toBeWithinRange(...)`}
*/
toBeWithinRange(min: number, max: number): Matcher<number>
/**
* Expects the value to be a `bigint` _**OUTSIDE**_ of the specified range
* where minimum and maximum values are inclusive.
*
* Negates: {@link Matcher.toBeWithinRange `toBeWithinRange(...)`}
*/
toBeWithinRange(min: bigint, max: bigint): Matcher<bigint>
toBeWithinRange(min: number | bigint, max: number | bigint): Matcher {
return this._push((e) => e.toBeWithinRange(min as number, max as number))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to be _deep equal to_ the specified expected
* one.
*
* Negates: {@link Matcher.toEqual `toEqual(...)`}
*/
toEqual(expected: any): Matcher<T> {
return this._push((e) => e.toEqual(expected))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to have a `number` _property_ `length` _different_ from
* the specified expected value.
*
* Negates: {@link Matcher.toHaveLength `toHaveLength(...)`}
*/
toHaveLength(length: number): Matcher<T & { length: number }> {
return this._push((e) => e.toHaveLength(length))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to have the specified _property_.
*
* Negates: {@link Matcher.toHaveProperty `toHaveProperty(...)`}
*/
toHaveProperty(property: string | number | symbol): Matcher<T> {
return this._push((e) => e.toHaveProperty(property))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to have a `number` _property_ `size` _different_ from
* the specified expected value.
*
* Negates: {@link Matcher.toHaveSize `toHaveSize(...)`}
*/
toHaveSize(size: number): Matcher<T & { size: number }> {
return this._push((e) => e.toHaveSize(size))
}
/* ------------------------------------------------------------------------ */
/**
* Expect the value to include _none_ of the properties from the specified
* _object_.
*
* If the object being expected is a {@link Map}, the properties specified
* here will be treated as _mappings_ for said {@link Map}.
*
* Negates: {@link Matcher.toInclude `toInclude(...)`}
*/
toInclude<P extends Record<string, any>>(properties: P): Matcher<T>
/**
* Expect the value to include _none_ of the mappings from the specified
* {@link Map}.
*
* Negates: {@link Matcher.toInclude `toInclude(...)`}
*/
toInclude(mappings: Map<any, any>): Matcher<T>
/**
* Expect the value to be an {@link Iterable} object includind _none_ of the
* values from the specified {@link Set}.
*
* Negates: {@link Matcher.toInclude `toInclude(...)`}
*/
toInclude(entries: Set<any>): Matcher<T>
/**
* Expect the value to be an {@link Iterable} object includind _none_ of the
* values from the specified _array_.
*
* Negates: {@link Matcher.toInclude `toInclude(...)`}
*/
toInclude(values: any[]): Matcher<T>
toInclude(
contents: Record<string, any> | Map<any, any> | Set<any> | any[],
): Matcher {
return this._push((e) => e.toInclude(contents))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value to be a `string` _**NOT MATCHING**_ the specified
* sub-`string` or {@link RegExp}.
*
* Negates: {@link Matcher.toMatch `toMatch(...)`}
*/
toMatch(matcher: string | RegExp): Matcher<string> {
return this._push((e) => e.toMatch(matcher))
}
/* ------------------------------------------------------------------------ */
/**
* Expects the value _**NOT**_ to be _strictly equal to_ the specified
* expected one.
*
* Negates: {@link Matcher.toStrictlyEqual `toStrictlyEqual(...)`}
*/
toStrictlyEqual(expected: any): Matcher<T> {
return this._push((e) => e.toStrictlyEqual(expected))
}
}