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trait Configuration extends AnyRef

Trait providing methods and classes used to configure property checks provided by the the forAll methods of trait GeneratorDrivenPropertyChecks (for ScalaTest-style property checks) and the check methods of trait Checkers (for ScalaCheck-style property checks).

Source
Configuration.scala
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Configuration
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Type Members

  1. case class MaxDiscardedFactor(value: PosZDouble) extends PropertyCheckConfigParam with Product with Serializable
  2. case class MinSize(value: PosZInt) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that specifies the minimum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    A PropertyCheckConfigParam that specifies the minimum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Exceptions thrown

    IllegalArgumentException if specified value is less than zero.

  3. case class MinSuccessful(value: PosInt) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that specifies the minimum number of successful property evaluations required for the property to pass.

  4. sealed abstract class PropertyCheckConfigParam extends Product with Serializable

    Abstract class defining a family of configuration parameters for property checks.

    Abstract class defining a family of configuration parameters for property checks.

    The subclasses of this abstract class are used to pass configuration information to the forAll methods of traits PropertyChecks (for ScalaTest-style property checks) and Checkers(for ScalaCheck-style property checks).

  5. case class PropertyCheckConfiguration(minSuccessful: PosInt = PosInt.from(10).get, maxDiscardedFactor: PosZDouble = PosZDouble.from(5.0).get, minSize: PosZInt = PosZInt.from(0).get, sizeRange: PosZInt = PosZInt.from(100).get, workers: PosInt = PosInt.from(1).get) extends PropertyCheckConfigurable with Product with Serializable
  6. case class SizeRange(value: PosZInt) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that (with minSize) specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    A PropertyCheckConfigParam that (with minSize) specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Note that the size range is added to minSize in order to calculate the maximum size passed to ScalaCheck. Using a range allows compile-time checking of a non-negative number being specified.

  7. case class Workers(value: PosInt) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that specifies the number of worker threads to use when evaluating a property.

    A PropertyCheckConfigParam that specifies the number of worker threads to use when evaluating a property.

    Exceptions thrown

    IllegalArgumentException if specified value is less than or equal to zero.

Deprecated Type Members

  1. case class MaxDiscarded(value: Int) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that specifies the maximum number of discarded property evaluations allowed during property evaluation.

    A PropertyCheckConfigParam that specifies the maximum number of discarded property evaluations allowed during property evaluation.

    In GeneratorDrivenPropertyChecks, a property evaluation is discarded if it throws DiscardedEvaluationException, which is produce by whenever clause that evaluates to false. For example, consider this ScalaTest property check:

    // forAll defined in GeneratorDrivenPropertyChecks
forAll { (n: Int) =>
  whenever (n > 0) {
    doubleIt(n) should equal (n * 2)
  }
}

    In the above code, whenever a non-positive n is passed, the property function will complete abruptly with DiscardedEvaluationException.

    Similarly, in Checkers, a property evaluation is discarded if the expression to the left of ScalaCheck's ==> operator is false. Here's an example:

    // forAll defined in Checkers
forAll { (n: Int) =>
  (n > 0) ==> doubleIt(n) == (n * 2)
}

    For either kind of property check, MaxDiscarded indicates the maximum number of discarded evaluations that will be allowed. As soon as one past this number of evaluations indicates it needs to be discarded, the property check will fail.

    Annotations
    @deprecated
    Deprecated
    Exceptions thrown

    IllegalArgumentException if specified value is less than zero.

  2. case class MaxSize(value: Int) extends PropertyCheckConfigParam with Product with Serializable

    A PropertyCheckConfigParam that specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    A PropertyCheckConfigParam that specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Note that the maximum size should be greater than or equal to the minimum size. This requirement is enforced by the PropertyCheckConfig constructor and the forAll methods of traits PropertyChecks and Checkers. In other words, it is enforced at the point both a maximum and minimum size are provided together.

    Annotations
    @deprecated
    Deprecated

    use SizeRange instead

    Exceptions thrown

    IllegalArgumentException if specified value is less than zero.

  3. case class PropertyCheckConfig(minSuccessful: Int = 10, maxDiscarded: Int = 500, minSize: Int = 0, maxSize: Int = 100, workers: Int = 1) extends PropertyCheckConfigurable with Product with Serializable

    Configuration object for property checks.

    Configuration object for property checks.

    The default values for the parameters are:

    minSuccessful 100
    maxDiscarded 500
    minSize 0
    maxSize 100
    workers 1

    minSuccessful

    the minimum number of successful property evaluations required for the property to pass.

    maxDiscarded

    the maximum number of discarded property evaluations allowed during a property check

    minSize

    the minimum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    maxSize

    the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    workers

    specifies the number of worker threads to use during property evaluation

    Annotations
    @deprecated
    Deprecated

    Use PropertyCheckConfiguration instead

    Exceptions thrown

    IllegalArgumentException if the specified minSuccessful value is less than or equal to zero, the specified maxDiscarded value is less than zero, the specified minSize value is less than zero, the specified maxSize value is less than zero, the specified minSize is greater than the specified or default value of maxSize, or the specified workers value is less than or equal to zero.

  4. trait PropertyCheckConfigurable extends AnyRef
    Annotations
    @deprecated
    Deprecated

    Use PropertyCheckConfiguration directly instead.

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  4. implicit def PropertyCheckConfig2PropertyCheckConfiguration(p: PropertyCheckConfig): PropertyCheckConfiguration

    Implicitly converts PropertyCheckConfigs to PropertyCheckConfiguration, which enables a smoother upgrade path.

  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: AnyRef): Boolean
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  9. def finalize(): Unit
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    protected[lang]
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    @throws(classOf[java.lang.Throwable])
  10. implicit val generatorDrivenConfig: PropertyCheckConfiguration

    Implicit PropertyCheckConfig value providing default configuration values.

  11. final def getClass(): Class[_ <: AnyRef]
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    @native()
  12. def hashCode(): Int
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    @native()
  13. final def isInstanceOf[T0]: Boolean
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  14. def maxDiscardedFactor(value: PosZDouble): MaxDiscardedFactor

    Returns a MaxDiscardedFactor property check configuration parameter containing the passed value, which specifies the factor of discarded property evaluations allowed during property evaluation.

  15. def minSize(value: PosZInt): MinSize

    Returns a MinSize property check configuration parameter containing the passed value, which specifies the minimum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

  16. def minSuccessful(value: PosInt): MinSuccessful

    Returns a MinSuccessful property check configuration parameter containing the passed value, which specifies the minimum number of successful property evaluations required for the property to pass.

  17. final def ne(arg0: AnyRef): Boolean
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  18. final def notify(): Unit
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    @native()
  19. final def notifyAll(): Unit
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    @native()
  20. def sizeRange(value: PosZInt): SizeRange

    Returns a SizeRange property check configuration parameter containing the passed value, that (with minSize) specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Returns a SizeRange property check configuration parameter containing the passed value, that (with minSize) specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Note that the size range is added to minSize in order to calculate the maximum size passed to ScalaCheck. Using a range allows compile-time checking of a non-negative number being specified.

  21. final def synchronized[T0](arg0: => T0): T0
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  22. def toString(): String
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  23. final def wait(): Unit
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    @throws(classOf[java.lang.InterruptedException])
  24. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  25. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()
  26. def workers(value: PosInt): Workers

    Returns a Workers property check configuration parameter containing the passed value, which specifies the number of worker threads to use when evaluating a property.

  27. object PropertyCheckConfiguration extends Serializable

Deprecated Value Members

  1. def maxDiscarded(value: Int): MaxDiscarded

    Returns a MaxDiscarded property check configuration parameter containing the passed value, which specifies the maximum number of discarded property evaluations allowed during property evaluation.

    Returns a MaxDiscarded property check configuration parameter containing the passed value, which specifies the maximum number of discarded property evaluations allowed during property evaluation.

    Annotations
    @deprecated
    Deprecated

    use maxDiscardedFactor instead

    Exceptions thrown

    IllegalArgumentException if specified value is less than zero.

  2. def maxSize(value: Int): MaxSize

    Returns a MaxSize property check configuration parameter containing the passed value, which specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Returns a MaxSize property check configuration parameter containing the passed value, which specifies the maximum size parameter to provide to ScalaCheck, which it will use when generating objects for which size matters (such as strings or lists).

    Note that the maximum size should be greater than or equal to the minimum size. This requirement is enforced by the PropertyCheckConfig constructor and the forAll methods of traits PropertyChecks and Checkers. In other words, it is enforced at the point both a maximum and minimum size are provided together.

    Annotations
    @deprecated
    Deprecated

    use SizeRange instead

    Exceptions thrown

    IllegalArgumentException if specified value is less than zero.

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