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

class PropertiesAsMapTest {

    @Test
    void testPropertiesAsMap() {
        Properties props = new Properties();
        props.setProperty("foo1", "bar1");
        props.setProperty("foo2", "bar2");
        PropertiesAsMap pam = new PropertiesAsMap(props);
        assertEquals(2, pam.size());
        Set<Entry<String, String>> set = pam.entrySet();
        assertNotNull(set);

  public static ClassPath from(ClassLoader classloader) throws IOException {
    ImmutableSet<LocationInfo> locations = locationsFrom(classloader);

    // Add all locations to the scanned set so that in a classpath [jar1, jar2], where jar1 has a
    // manifest with Class-Path pointing to jar2, we won't scan jar2 twice.
    Set<File> scanned = new HashSet<>();
    for (LocationInfo location : locations) {
      scanned.add(location.file());
    }