Class PermutationsTest

java.lang.Object

topics.backtracking.permutations.PermutationsTest

class PermutationsTest
extends Object

Test Suite for Permutations Generator

Validates the exhaustive backtracking permutation algorithm. Employs assertions to verify that the generated count matches theoretical factorial math expectations.

Author:

vicegd

Constructor Summary

Constructors

Constructor	Description
PermutationsTest()

Method Summary

Modifier and Type	Method	Description
(package private) static void	setup()	Initializes context and resources prior to executing the test suite.
(package private) void	shouldGenerateExactlyOneHundredTwentyPermutationsForFiveElements()	Scenario: Generating permutations for a set of 5 elements.
(package private) void	shouldGenerateExactlyTwentyFourPermutationsForFourElements()	Scenario: Generating permutations for a set of 4 elements.
(package private) static void	teardown()	Cleans up resources after the entire test suite has finished execution.

Methods inherited from class Object

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

Constructor Details

PermutationsTest

PermutationsTest()

Method Details

setup

@BeforeAll
static void setup()

Initializes context and resources prior to executing the test suite.

teardown

@AfterAll
static void teardown()

Cleans up resources after the entire test suite has finished execution.

shouldGenerateExactlyTwentyFourPermutationsForFourElements

@Test
void shouldGenerateExactlyTwentyFourPermutationsForFourElements()

Scenario: Generating permutations for a set of 4 elements.

Expected Outcome: 4! equals exactly 24 configurations.

shouldGenerateExactlyOneHundredTwentyPermutationsForFiveElements

@Test
void shouldGenerateExactlyOneHundredTwentyPermutationsForFiveElements()

Scenario: Generating permutations for a set of 5 elements.

Expected Outcome: 5! equals exactly 120 configurations.