@J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16be() {
    assertThat(Charsets.UTF_16BE).isEqualTo(Charset.forName("UTF-16BE"));
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16le() {
    assertThat(Charsets.UTF_16LE).isEqualTo(Charset.forName("UTF-16LE"));
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16() {

   *
   * <ul>
   *   <li>All non-private static methods are checked such that passing null for any parameter
   *       that's not annotated nullable should throw {@link NullPointerException}.
   *   <li>If there is any non-private constructor or non-private static factory method declared by
   *       {@code cls}, all non-private instance methods will be checked too using the instance

            pacString.check(testString);
        }, "A PACDecodingException should be thrown for a non-empty string with a zero pointer.");

        // Verify the exception message
        assertEquals("Non-empty string", exception.getMessage(), "The exception message is not correct.");
    }

    /**

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16be() {
    assertThat(Charsets.UTF_16BE).isEqualTo(Charset.forName("UTF-16BE"));
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16le() {
    assertThat(Charsets.UTF_16LE).isEqualTo(Charset.forName("UTF-16LE"));
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16() {

    }

    @Test
    @DisplayName("DOS_ERROR_CODES is non‑null and non‑empty")
    void testCodesArrayExistence() {
        assertNotNull(DosError.DOS_ERROR_CODES, "DOS_ERROR_CODES should be non‑null");
        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test

   *
   * <ul>
   *   <li>All non-private static methods are checked such that passing null for any parameter
   *       that's not annotated nullable should throw {@link NullPointerException}.
   *   <li>If there is any non-private constructor or non-private static factory method declared by
   *       {@code cls}, all non-private instance methods will be checked too using the instance

   *
   * <p>This is guaranteed to return zero if the dataset contains a single pair of finite values. It
   * is not guaranteed to return zero when the dataset consists of the same pair of values multiple
   * times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *
   * <p>If the dataset contains any non-finite values ({@link Double#POSITIVE_INFINITY}, {@link

        assertEquals("pdf", fileTypeHelper.get("application/pdf"));
        assertEquals("text", fileTypeHelper.get("text/plain"));

        // Test non-existent mimetype returns default value
        assertEquals("others", fileTypeHelper.get("non/existent"));
    }

    @Test
    public void test_get_withNullMimetype() {
        assertEquals("others", fileTypeHelper.get(null));
    }

    @Test

                "Method com.example.Source.foo(): From non-null returning to null-unmarked returning breaking change.",
                "Method com.example.Source.baz(): From non-null returning to null-unmarked returning breaking change.",
            )
            assertHasNoWarning()
            assertHasNoInformation()
        }
    }

    @Test
    fun `from null-unmarked returning to non-null returning is not breaking`() {

            if (dir == null || name == null) {
                throw new NullPointerException("dir and name must be non-null");
            }
            return true;
        };

        NullPointerException npe1 = assertThrows(NullPointerException.class, () -> filter.accept(null, "x"));
        assertTrue(npe1.getMessage().contains("non-null"));