spring-boot-rest/testing-modules/parallel-tests-junit/string-test-functions/src/test/java/com/baeldung/StringFunctionUnitTest.java

package com.baeldung;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

public class StringFunctionUnitTest {

    @Test
    public void test_upperCase() {
        assertEquals("TESTCASE", "testCase".toUpperCase());
    }

    @Test
    public void test_indexOf() {
        assertEquals(1, "testCase".indexOf("e"));
    }
}