AbsoluteMinTest.java

package com.thealgorithms.maths;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

import org.junit.jupiter.api.Test;

public class AbsoluteMinTest {

 @Test
 void testGetMinValue() {
 assertEquals(0, AbsoluteMin.getMinValue(4, 0, 16));
 assertEquals(-2, AbsoluteMin.getMinValue(3, -10, -2));
 assertEquals(-2, AbsoluteMin.getMinValue(-3, -10, -2));
 assertEquals(2, AbsoluteMin.getMinValue(-3, -10, 2));
 assertEquals(2, AbsoluteMin.getMinValue(-5, 2));
 assertEquals(2, AbsoluteMin.getMinValue(2, -5));
 }

 @Test
 void testGetMinValueWithNoArguments() {
 assertThrows(IllegalArgumentException.class, AbsoluteMin::getMinValue);
 }

 @Test
 void testGetMinValueWithSameAbsoluteValues() {
 assertEquals(-5, AbsoluteMin.getMinValue(-5, 5));
 assertEquals(-5, AbsoluteMin.getMinValue(5, -5));
 }

 @Test
 void testIntegerMinValueOverflow() {
 assertEquals(1, AbsoluteMin.getMinValue(Integer.MIN_VALUE, 1));
 assertEquals(-1, AbsoluteMin.getMinValue(Integer.MIN_VALUE, -1));
 assertEquals(0, AbsoluteMin.getMinValue(Integer.MIN_VALUE, 0));
 assertEquals(Integer.MIN_VALUE, AbsoluteMin.getMinValue(Integer.MIN_VALUE));
 assertEquals(Integer.MAX_VALUE, AbsoluteMin.getMinValue(Integer.MIN_VALUE, Integer.MAX_VALUE));
 }
}