FileSizeFormat format = new FileSizeFormat();
        assertEquals(expected, format.formatProgress(progressedSize, -1L));
    }

    static Stream<Arguments> progressedSizeWithSizeTestData() {
        return Stream.of(
                // Zero test
                Arguments.of(0L, 0L, "0 B"),

                // Bytes tests
                Arguments.of(0L, 800L, "0/800 B"),