assertEquals(3.14, groovyEngine.evaluate("return dbl", params));
    }

    /**
     * Test that complex objects can be passed as parameters
     */
    @Test
    public void test_evaluate_complexObjectParameters() {
        final Map<String, Object> params = new HashMap<>();
        final Map<String, String> nestedMap = new HashMap<>();
        nestedMap.put("name", "John");
        nestedMap.put("role", "Developer");