public static void testIntegralHandling() { assertEquals("3", NumericConverterFactory.toIntegral("3")); assertEquals("3", NumericConverterFactory.toIntegral("3.0")); assertEquals("-3", NumericConverterFactory.toIntegral("-3")); assertEquals("-3", NumericConverterFactory.toIntegral("-3.0")); assertEquals("3000", NumericConverterFactory.toIntegral("3000.0")); assertEquals("3000", NumericConverterFactory.toIntegral("3000,0")); }