final Map<String, Object> map = new HashMap<String, Object>();
        map.put("data1", 1);
        assertEquals(100.0f, docBoostMatcher.getValue(map));
    }

    @Test
    public void test_getValue_numericStringReturn() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();
        docBoostMatcher.setBoostExpression("'3.14'");

        final Map<String, Object> map = new HashMap<String, Object>();