Interface IProperty<Ts>

runAfterEach

runBeforeEach

generate

• generate(mrng: Random, runId?: number): Value<Ts>

  Generate values of type Ts

  Parameters

  • mrng: Random

    Random number generator
  • OptionalrunId: number

    Id of the generation, starting at 0 - if set the generation might be biased

  Returns Value<Ts>

  Remarks

  Since 0.0.7 (return type changed in 3.0.0)

isAsync

• isAsync(): false

  Is the property asynchronous?

  true in case of asynchronous property, false otherwise

  Returns false

  Remarks

  Since 0.0.7

run

• run(v: Ts): null | PreconditionFailure | PropertyFailure

  Check the predicate for v

  Parameters

  • v: Ts

    Value of which we want to check the predicate

  Returns null | PreconditionFailure | PropertyFailure

  Remarks

  Since 0.0.7

shrink

• shrink(value: Value<Ts>): Stream<Value<Ts>>

  Shrink value of type Ts

  Parameters

  • value: Value<Ts>

    The value to be shrunk, it can be context-less

  Returns Stream<Value<Ts>>

  Remarks

  Since 3.0.0