package xyz.zhouxy.plusone.commons.function; import static org.junit.jupiter.api.Assertions.assertFalse; import java.util.Objects; import java.util.function.Predicate; import org.apache.commons.lang3.StringUtils; import org.junit.jupiter.api.Test; class FunctionTests { @Test void test() { String str = ""; Predicate predicate = PredicateTools.from(Objects::nonNull) .and(StringUtils::isNotBlank); assertFalse(predicate.test(str), "校验应是不通过"); } }