package com.example;

import org.junit.jupiter.api.DynamicTest;
import org.junit.jupiter.api.TestFactory;

import java.util.Map;
import java.util.stream.Stream;

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

public class MainTest {

    @TestFactory
    Stream<DynamicTest> testSumNotDivisibleBy3Or5() {
        Map<Integer, Integer> testCases = Map.of(
                1, 1,
                3, 3,
                5, 7,
                10, 22,
                15, 60,
                0, 0,
                -5, 0
        );

        return testCases.entrySet().stream().map(entry -> {
            int input = entry.getKey();
            int expected = entry.getValue();
            int actual = Main.sumNotDivisibleBy3Or5(input);

            String testName = actual == expected
                    ? "sumNotDivisibleBy3Or5(" + input + ") returned " + actual + " as expected."
                    : "sumNotDivisibleBy3Or5(" + input + ") returned " + actual + ", but expected " + expected + ".";

            return dynamicTest(testName, () -> {
                assertEquals(expected, actual);
            });
        });
    }
}

MainTest.java

Et strømlinet begynderforløb med fokus på de væsentlige Java-programmeringskoncepter: syntaks, variabler, datatyper, kontrolstrukturer, løkker, arrays og strenge.

Udfordring: Filtrering af Tal i en Løkke

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