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Add digit separation for large integers (#5543)

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This commit is contained in:
Muhammad Junaid Khalid
2024-10-04 21:28:36 +05:00
committed by GitHub
parent de22158b80
commit 5cbdb475ee
2 changed files with 118 additions and 0 deletions
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src/test/java/com/thealgorithms/greedyalgorithms/DigitSeparationTest.java Normal file
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package com.thealgorithms.greedyalgorithms;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.List;
import org.junit.jupiter.api.Test;
public class DigitSeparationTest {
@Test
public void testDigitSeparationReverseOrderSingleDigit() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationReverseOrder(5);
assertEquals(List.of(5L), result);
}
@Test
public void testDigitSeparationReverseOrderMultipleDigits() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationReverseOrder(123);
assertEquals(List.of(3L, 2L, 1L), result);
}
@Test
public void testDigitSeparationReverseOrderLargeNumber() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationReverseOrder(123456789);
assertEquals(List.of(9L, 8L, 7L, 6L, 5L, 4L, 3L, 2L, 1L), result);
}
@Test
public void testDigitSeparationReverseOrderZero() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationReverseOrder(0);
assertEquals(List.of(0L), result);
}
@Test
public void testDigitSeparationReverseOrderNegativeNumbers() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationReverseOrder(-123);
assertEquals(List.of(3L, 2L, 1L), result);
}
@Test
public void testDigitSeparationForwardOrderSingleDigit() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationForwardOrder(5);
assertEquals(List.of(5L), result);
}
@Test
public void testDigitSeparationForwardOrderMultipleDigits() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationForwardOrder(123);
assertEquals(List.of(1L, 2L, 3L), result);
}
@Test
public void testDigitSeparationForwardOrderLargeNumber() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationForwardOrder(123456789);
assertEquals(List.of(1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L), result);
}
@Test
public void testDigitSeparationForwardOrderZero() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationForwardOrder(0);
assertEquals(List.of(0L), result);
}
@Test
public void testDigitSeparationForwardOrderNegativeNumber() {
DigitSeparation digitSeparation = new DigitSeparation();
List<Long> result = digitSeparation.digitSeparationForwardOrder(-123);
assertEquals(List.of(1L, 2L, 3L), result);
}
}