This attribute retrieves an expectancy whose result value is false in case the matcher fulfills, and true otherwise.
Answer the given expectation as an instance of IArrayExpectation. No check is performed on the input to see if it can actually be casted.
Answer the given expectation as an instance of INumberExpectation. No check is performed on the input to see if it can actually be casted.
Answer the given expectation as an instance of IObjectExpectation. No check is performed on the input to see if it can actually be casted.
Answer the given expectation as an instance of IStringExpectation. No check is performed on the input to see if it can actually be casted.
Answers if the actual value is the same as expected, using strict compare. Do not use toBe with floating point numbers, use Expectations/Matchers.toBeCloseTo instead.
Answers if the actual value is defined (as in not equal to undefined)
Answers if the actual value is a falsy value.
Answers if the actual value is the same as expected, using a deep compare mechanism. Do not use toBeLike with floating point numbers, use Expectations/Matchers.toBeCloseTo instead.
Answers if the actual value is null (strict null, not undefined).
Answers if the actual value is a truthy value.
Answers if the actual value is undefined.
Answer if the actual element has the given shape, as defined by the shapeOf submodule.
Answers if the actual value has a type matching the expected type, checked by using the typeof operator.
This type represents an expectation for any type of element. The matchers that can be called contain general things, such as strict comparison with other elements, be undefined, be null, or any other checks.