Java/src/test/java/com/thealgorithms/dynamicprogramming/KnapsackMemoizationTest.java

package com.thealgorithms.dynamicprogramming;

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

import org.junit.jupiter.api.Test;

public class KnapsackMemoizationTest {

    KnapsackMemoization knapsackMemoization = new KnapsackMemoization();

    @Test
    void test1() {
        int[] weight = {1, 3, 4, 5};
        int[] value = {1, 4, 5, 7};
        int capacity = 10;
        assertEquals(13, knapsackMemoization.knapSack(capacity, weight, value, weight.length));
    }

    @Test
    void test2() {
        int[] weight = {95, 4, 60, 32, 23, 72, 80, 62, 65, 46};
        int[] value = {55, 10, 47, 5, 4, 50, 8, 61, 85, 87};
        int capacity = 269;
        assertEquals(295, knapsackMemoization.knapSack(capacity, weight, value, weight.length));
    }

    @Test
    void test3() {
        int[] weight = {10, 20, 30};
        int[] value = {60, 100, 120};
        int capacity = 50;
        assertEquals(220, knapsackMemoization.knapSack(capacity, weight, value, weight.length));
    }

    @Test
    void test4() {
        int[] weight = {1, 2, 3};
        int[] value = {10, 20, 30};
        int capacity = 0;
        assertEquals(0, knapsackMemoization.knapSack(capacity, weight, value, weight.length));
    }
    @Test
    void test5() {
        int[] weight = {1, 2, 3, 8};
        int[] value = {10, 20, 30, 40};
        int capacity = 50;
        assertEquals(100, knapsackMemoization.knapSack(capacity, weight, value, weight.length));
    }
}