/**
     * Default constructor that creates a DocBoostMatcher with default script type.
     * Uses the default script engine as defined in Constants.DEFAULT_SCRIPT.
     */
    public DocBoostMatcher() {
        scriptType = Constants.DEFAULT_SCRIPT;
    }

    /**
     * Constructor that creates a DocBoostMatcher from a BoostDocumentRule.
     *

    }

    @Test
    public void test_getValue_nullMap() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();
        docBoostMatcher.setBoostExpression("10");
        assertEquals(0.0f, docBoostMatcher.getValue(null));
    }

    @Test
    public void test_getValue_emptyMap() {
        final DocBoostMatcher docBoostMatcher = new DocBoostMatcher();

    @Test
    public void test_updateDocument_withBoostMatcher() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("url", "http://example.com");

        final DocBoostMatcher matcher = new DocBoostMatcher() {
            @Override
            public boolean match(Map<String, Object> map) {
                return true;
            }

            @Override