return true;
                    }
                    String packageName = getPackageName(file);
                    // we pass through package-info.java files for packages we have not seen before, block the rest
                    boolean notSeeBefore = packagesSeenBefore.add(packageName);

        .isEqualTo("Local");
  }

  public void testGetPackageName() {
    assertThat(new ClassInfo(FILE, "Foo.class", getClass().getClassLoader()).getPackageName())
        .isEqualTo("");
    assertThat(new ClassInfo(FILE, "a/b/Foo.class", getClass().getClassLoader()).getPackageName())
        .isEqualTo("a.b");
  }

  // Test that ResourceInfo.urls() returns identical content to ClassLoader.getResources()

     * {@code class.getPackage().getName()} produces a {@code NullPointerException} because {@code
     * class.getPackage()} returns {@code null}.
     */
    public String getPackageName() {
      return Reflection.getPackageName(className);
    }

    /**
     * Returns the simple name of the underlying class as given in the source code.
     *

        .isEqualTo("Local");
  }

  public void testGetPackageName() {
    assertThat(new ClassInfo(FILE, "Foo.class", getClass().getClassLoader()).getPackageName())
        .isEqualTo("");
    assertThat(new ClassInfo(FILE, "a/b/Foo.class", getClass().getClassLoader()).getPackageName())
        .isEqualTo("a.b");
  }

  // Test that ResourceInfo.urls() returns identical content to ClassLoader.getResources()

     * Returns the package name of the specified class.
     *
     * @param clazz
     *            The class. Must not be {@literal null}.
     * @return The package name.
     */
    public static String getPackageName(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

        final String fqcn = clazz.getName();
        final int pos = fqcn.lastIndexOf('.');
        if (pos > 0) {

        final String path = ClassUtil.getPackageName(this.getClass()).replaceAll("\\.", "/") + "/aaa.html";
        final String contentType = MimeTypeUtil.guessContentType(path);
        assertEquals("text/html", contentType);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetFromStream_gif() throws Exception {

    assertThat(Reflection.getPackageName(Iterable.class)).isEqualTo("java.lang");
    assertThat(Reflection.getPackageName("java.MyType")).isEqualTo("java");
    assertThat(Reflection.getPackageName(Iterable.class.getName())).isEqualTo("java.lang");
    assertThat(Reflection.getPackageName("NoPackage")).isEqualTo("");
    assertThat(Reflection.getPackageName(Map.Entry.class)).isEqualTo("java.util");
  }

    assertThat(Reflection.getPackageName(Iterable.class)).isEqualTo("java.lang");
    assertThat(Reflection.getPackageName("java.MyType")).isEqualTo("java");
    assertThat(Reflection.getPackageName(Iterable.class.getName())).isEqualTo("java.lang");
    assertThat(Reflection.getPackageName("NoPackage")).isEqualTo("");
    assertThat(Reflection.getPackageName(Map.Entry.class)).isEqualTo("java.util");
  }

          .toSet();

  public void testClassesHaveOverrides() throws Exception {
    for (ClassInfo info : ClassPath.from(getClass().getClassLoader()).getAllClasses()) {
      if (!GUAVA_PACKAGES.contains(info.getPackageName())) {
        continue;
      }
      if (
      /*
       * At least one of the classes nested inside TypeResolverTest triggers a bug under older JDKs:

        // Assert
        assertTrue(clazz.isInterface(), "Should be an interface");
        assertTrue(Modifier.isPublic(clazz.getModifiers()), "Interface should be public");
        assertEquals("jcifs.smb", clazz.getPackageName(), "Package must match source");
        assertEquals("SessionSetupHandler", clazz.getSimpleName(), "Simple name must match source");
    }

    @Test
    @DisplayName("Interface declares no methods or fields")