org.softsmithy.devlib.junit

Class Tests

java.lang.Object

org.softsmithy.devlib.junit.Tests

public final class Tests
extends Object

JUnit 5 test utility methods.

Author:

puce

Method Summary

Modifier and Type	Method and Description
static <T extends Comparable<? super T>> void	testComparable(T o, T smaller, T equal, T greater) Tests the contract of the Comparable interface without consistency with Object.equals(java.lang.Object).
static <T extends Comparable<? super T>> void	testComparableConsistentWithEquals(T o, T smaller, T equal, T greater) Tests the contract of the Comparable interface and the consistency with Object.equals(java.lang.Object).
static <T> void	testComparator(Comparator<? super T> comparator, T o, T smaller, T equal, T greater, boolean nullValueSupported) Tests the contract of the Comparator interface without consistency with Object.equals(java.lang.Object).
static <T> void	testComparatorConsistentWithEquals(Comparator<? super T> comparator, T o, T smaller, T equal, T greater, boolean nullValueSupported) Tests the contract of the Comparator interface and the consistency with Object.equals(java.lang.Object).
static void	testEquals(Object o1, Object o2, Object o3, Object... unequalObjects) Tests the equals method of an object for reflexivity, symmetry, transitivity and non-nullity and tests if unequal objects are not equal.
static void	testHashCode(Object o1, Object o2) Tests if equal objects have equal hashCode.
static <T> void	testOrder(Comparator<? super T> comparator, T... objects) Tests the sorted order of the objects provided in ascending order.
static <T extends Comparable<? super T>> void	testOrder(T... objects) Tests the sorted order of the objects provided in ascending order.

Methods inherited from class java.lang.Object

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

Method Detail

testHashCode

public static void testHashCode(Object o1,
                                Object o2)

Tests if equal objects have equal hashCode.

Parameters:

o1 - object 1

o2 - object 2

testEquals

public static void testEquals(Object o1,
                              Object o2,
                              Object o3,
                              Object... unequalObjects)

Tests the equals method of an object for reflexivity, symmetry, transitivity and non-nullity and tests if unequal objects are not equal.

Parameters:

o1 - object 1

o2 - object 2

o3 - object 3

unequalObjects - unequal objects

testComparatorConsistentWithEquals

public static <T> void testComparatorConsistentWithEquals(Comparator<? super T> comparator,
                                                          T o,
                                                          T smaller,
                                                          T equal,
                                                          T greater,
                                                          boolean nullValueSupported)

Tests the contract of the Comparator interface and the consistency with Object.equals(java.lang.Object).

Type Parameters:

T - the type of the objects to compare

Parameters:

comparator - the comparator to test

o - the reference object

smaller - an object smaller than the reference object

equal - an object equal to the reference object

greater - an object greater than the reference object

nullValueSupported - true if the comparator supports null arguments, else false

testComparator

public static <T> void testComparator(Comparator<? super T> comparator,
                                      T o,
                                      T smaller,
                                      T equal,
                                      T greater,
                                      boolean nullValueSupported)

Tests the contract of the Comparator interface without consistency with Object.equals(java.lang.Object).

Type Parameters:

T - the type of the objects to compare

Parameters:

comparator - the comparator to test

o - the reference object

smaller - an object smaller than the reference object

equal - an object equal to the reference object

greater - an object greater than the reference object

nullValueSupported - true if the comparator supports null arguments, else false

testOrder

public static <T> void testOrder(Comparator<? super T> comparator,
                                 T... objects)

Tests the sorted order of the objects provided in ascending order.

Type Parameters:

T - the type of the objects to compare

Parameters:

comparator - the comparator to test

objects - the objects provided in ascending order

testComparableConsistentWithEquals

public static <T extends Comparable<? super T>> void testComparableConsistentWithEquals(T o,
                                                                                        T smaller,
                                                                                        T equal,
                                                                                        T greater)

Tests the contract of the Comparable interface and the consistency with Object.equals(java.lang.Object).

Type Parameters:

T - the type of the comparable objects to compare

Parameters:

o - the reference object

smaller - an object smaller than the reference object

equal - an object equal to the reference object

greater - an object greater than the reference object

testComparable

public static <T extends Comparable<? super T>> void testComparable(T o,
                                                                    T smaller,
                                                                    T equal,
                                                                    T greater)

Tests the contract of the Comparable interface without consistency with Object.equals(java.lang.Object).

Type Parameters:

T - the type of the comparable objects to compare

Parameters:

o - the reference object

smaller - an object smaller than the reference object

equal - an object equal to the reference object

greater - an object greater than the reference object

testOrder

public static <T extends Comparable<? super T>> void testOrder(T... objects)

Tests the sorted order of the objects provided in ascending order.

Type Parameters:

T - the type of the comparable objects to compare

Parameters:

objects - the objects provided in ascending order