/*
 * Copyright (c) 2024 Hutool Team and hutool.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.dromara.hutool.core.codec;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

class LuhnTest {
	@Test
	void checkTest() {
		assertTrue(Luhn.check("6225760008219524"));

		assertFalse(Luhn.check("123456"));
		assertFalse(Luhn.check(""));
		assertFalse(Luhn.check("abc"));
		assertFalse(Luhn.check("622576000821952a"));
	}

	@Test
	void getCheckDigitTest() {
		int checkDigit = Luhn.getCheckDigit("6225760008219524", true);
		assertEquals(4, checkDigit);

		checkDigit = Luhn.getCheckDigit("622576000821952", false);
		assertEquals(4, checkDigit);
	}
}
