@Test
public void shows_strings_using_string_literal_escape_sequences() {

    assertThat(escapeSpecialChars("\b"), is("\\b"));
    assertThat(escapeSpecialChars("\t"), is("\\t"));
    assertThat(escapeSpecialChars("\n"), is("\\n"));
    assertThat(escapeSpecialChars("\f"), is("\\f"));
    assertThat(escapeSpecialChars("\r"), is("\\r"));
    assertThat(escapeSpecialChars("\""), is("\\\""));
    assertThat(escapeSpecialChars("\\"), is("\\\\"));
}