assertEquals("\\Qtest\\E$", parser.escape("test$"));
        assertEquals("\\Qtest\\E", parser.escape("test"));
    }

    @Test
    public void test_unescape() {
        GsaConfigParser parser = new GsaConfigParser();

        assertEquals("test\\", parser.unescape("test\\\\"));
        assertEquals("test", parser.unescape("test"));

        assertEquals("NOT aaa NOT bbb", getAsQuery("111", Collections.singletonMap(k, new String[] { "aaa bbb" })));
    }

    @Test
    public void test_escape() {
        assertEquals("\\/", getQuery("/", new String[0], Collections.emptyMap(), Collections.emptyMap(), true));

        assertEquals("  ", result.get(1).getInput()); // whitespace line
        assertEquals("word2", result.get(2).getInput());
    }

    @Test
    public void test_unescape() throws Exception {
        // Test with escaped characters (backslash sequences)
        String content = "test\\t1\n" + // escaped tab sequence
                "test\\n2\n" + // escaped newline sequence