io.vavr.test

Interface Checkable

All Known Implementing Classes:

Property.Property1, Property.Property2, Property.Property3, Property.Property4, Property.Property5, Property.Property6, Property.Property7, Property.Property8

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Checkable

Interface for checkable properties, allowing composition via and(Checkable) and or(Checkable).

Author:

Daniel Dietrich

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SIZE Default size hint for generators: 100
static int	DEFAULT_TRIES Default tries to check a property: 1000
static Supplier<Random>	RNG A thread-safe, equally distributed random number generator.

Method Summary

Modifier and Type	Method and Description
default Checkable	and(Checkable checkable) Returns a new Checkable which is satisfied if this Checkable and the given checkable are satisfied.
default CheckResult	check() Checks this property using the default random number generator RNG by calling check(int, int), where size is DEFAULT_SIZE and tries is DEFAULT_TRIES.
default CheckResult	check(int size, int tries) Checks this property using the default random number generator RNG.
CheckResult	check(Random randomNumberGenerator, int size, int tries) Checks this property.
default Checkable	or(Checkable checkable) Returns a new Checkable which is satisfied if this Checkable or the given checkable are satisfied.

Field Detail

RNG

static final Supplier<Random> RNG

A thread-safe, equally distributed random number generator.

DEFAULT_SIZE

static final int DEFAULT_SIZE

Default size hint for generators: 100

See Also:

Constant Field Values

DEFAULT_TRIES

static final int DEFAULT_TRIES

Default tries to check a property: 1000

See Also:

Constant Field Values

Method Detail

check

CheckResult check(Random randomNumberGenerator,
                  int size,
                  int tries)

Checks this property.

Parameters:

randomNumberGenerator - An implementation of Random.

size - A (not necessarily positive) size hint.

tries - A non-negative number of tries to falsify the given property.

Returns:

A CheckResult

check

default CheckResult check(int size,
                          int tries)

Checks this property using the default random number generator RNG.

Parameters:

size - A (not necessarily positive) size hint.

tries - A non-negative number of tries to falsify the given property.

Returns:

A CheckResult

check

default CheckResult check()

Checks this property using the default random number generator RNG by calling check(int, int), where size is DEFAULT_SIZE and tries is DEFAULT_TRIES.

Returns:

A CheckResult

and

default Checkable and(Checkable checkable)

Returns a new Checkable which is satisfied if this Checkable and the given checkable are satisfied.

First this Checkable is checked.

Parameters:

checkable - A Checkable

Returns:

A new Checkable

or

default Checkable or(Checkable checkable)

Returns a new Checkable which is satisfied if this Checkable or the given checkable are satisfied.

First this Checkable is checked.

Parameters:

checkable - A Checkable

Returns:

A new Checkable