java-tutorials/junit5/src/test/java/com/baeldung/FirstTest.java

package com.baeldung;

import org.junit.gen5.api.Disabled;
import org.junit.gen5.api.Test;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import static org.junit.gen5.api.Assertions.assertAll;
import static org.junit.gen5.api.Assertions.assertEquals;
import static org.junit.gen5.api.Assertions.assertTrue;

class FirstTest {

    @Test
    void lambdaExpressions() {
        List<Integer> numbers = Arrays.asList(1, 2, 3);
        assertTrue(numbers
                .stream()
                .mapToInt(i -> i)
                .sum() > 5, "Sum should be greater than 5");
    }

    @Test
    void groupAssertions() {
        int[] numbers = {0, 1, 2, 3, 4};
        assertAll("numbers", () -> {
            assertEquals(numbers[0], 1);
            assertEquals(numbers[3], 3);
            assertEquals(numbers[4], 1);
        });
    }

    @Test
    @Disabled
    void disabledTest() {
        assertTrue(false);
    }
}