assertEquals(3.0f, MapValueExtractor.getFloat(map, "int"), 0.001f);
        assertEquals(4.5f, MapValueExtractor.getFloat(map, "string"), 0.001f);
    }

    @Test
    public void testGetFloat_withNullAndMissingKey() {
        Map<String, Object> map = new HashMap<>();
        map.put("null", null);

        assertNull(MapValueExtractor.getFloat(map, "null"));