*/
    public boolean match(final Map<String, Object> map) {

        if (map == null || map.isEmpty() || matchExpression == null) {
            return false;
        }

        final Object value = ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(matchExpression, map);
        if (value instanceof Boolean) {
            return (Boolean) value;
        }

        return false;
    }

        assertFalse(docBoostMatcher.match(new HashMap<>()));
    }

    @Test
    public void test_match_nullExpression() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();
        // matchExpression is null by default
        final Map<String, Object> map = new HashMap<String, Object>();
        map.put("data1", 1);
        assertFalse(docBoostMatcher.match(map));
    }

    @Test

  
  If you want to limit the count of PVCs that have a specific volume attributes class. In that case, you can create a quota object with the scope name `VolumeAttributesClass` and a `matchExpressions` that match the volume attributes class. ([#124360](https://github.com/kubernetes/kubernetes/pull/124360), [@carlory](https://github.com/carlory)) [SIG API Machinery, Apps and Testing]