de.weltraumschaf.commons.testing.hamcrest

Class BaseIsCloseTo<T extends Number>

java.lang.Object

org.hamcrest.BaseMatcher<T>

org.hamcrest.TypeSafeMatcher<T>

de.weltraumschaf.commons.testing.hamcrest.BaseIsCloseTo<T>

Type Parameters:

T - matched number type

All Implemented Interfaces:

Matcher<T>, SelfDescribing

Direct Known Subclasses:

IntegerIsCloseTo, LongIsCloseTo

abstract class BaseIsCloseTo<T extends Number>
extends TypeSafeMatcher<T>

Common base class for matchers with matches numbers with a given error.

Author:

Sven Strittmatter <weltraumschaf@googlemail.com>

Field Summary

Fields

Modifier and Type	Field and Description
private T	error Accepted error.
private T	matched Matched value.

Constructor Summary

Constructors

Constructor and Description
BaseIsCloseTo(T matched, T error) Dedicated constructor.

Method Summary

Modifier and Type	Method and Description
(package private) abstract long	actualDelta(T item) Calculates the actual delta.
void	describeMismatchSafely(T item, Description mismatchDescription)
void	describeTo(Description description)
(package private) T	error() Get the accepted error.
(package private) T	matched() Get the matched value.
boolean	matchesSafely(T item)

Methods inherited from class org.hamcrest.TypeSafeMatcher

describeMismatch, matches

Methods inherited from class org.hamcrest.BaseMatcher

_dont_implement_Matcher___instead_extend_BaseMatcher_, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

error

private final T extends Number error

Accepted error.

matched

private final T extends Number matched

Matched value.

Constructor Detail

BaseIsCloseTo

BaseIsCloseTo(T matched,
              T error)

Dedicated constructor.

Parameters:

matched - must not be null

error - must not be null

Method Detail

matchesSafely

public final boolean matchesSafely(T item)

Specified by:

matchesSafely in class TypeSafeMatcher<T extends Number>

error

final T error()

Get the accepted error.

Returns:

never null

matched

final T matched()

Get the matched value.

Returns:

never null

actualDelta

abstract long actualDelta(T item)

Calculates the actual delta.

Parameters:

item - any long

Returns:

any long

describeMismatchSafely

public final void describeMismatchSafely(T item,
                                         Description mismatchDescription)

Overrides:

describeMismatchSafely in class TypeSafeMatcher<T extends Number>

describeTo

public final void describeTo(Description description)