/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2023 jPOS Software SRL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.fail;

import static org.apache.commons.lang3.JavaVersion.JAVA_1_8;
import static org.apache.commons.lang3.JavaVersion.JAVA_14;
import static org.apache.commons.lang3.SystemUtils.isJavaVersionAtMost;

import org.junit.jupiter.api.Test;

public class RightTPadderTest {

    @Test
    public void testPad() throws Throwable {
        String result = new RightTPadder(' ').pad("10Characte", 10);
        assertEquals("10Characte", result, "result");
    }

    @Test
    public void testPad1() throws Throwable {
        String result = RightTPadder.SPACE_PADDER.pad("", 100);
        assertEquals("                                                                                                    ",
                result, "result");
    }

    @Test
    public void testPad2() throws Throwable {
        String result = new RightTPadder(' ').pad("testRightTPadderData", 0);
        assertEquals("", result, "result");
    }

    @Test
    public void testPadThrowsNullPointerException() throws Throwable {
        try {
            new RightTPadder(' ').pad(null, 100);
            fail("Expected NullPointerException to be thrown");
        } catch (NullPointerException ex) {
            if (isJavaVersionAtMost(JAVA_14)) {
                assertNull(ex.getMessage(), "ex.getMessage()");
            } else {
                assertEquals("Cannot invoke \"String.length()\" because \"data\" is null", ex.getMessage(), "ex.getMessage()");
            }
        }
    }

    @Test
    public void testPadThrowsStringIndexOutOfBoundsException() throws Throwable {
        try {
            new RightTPadder(' ').pad("testRightTPadderData", -1);
            fail("Expected StringIndexOutOfBoundsException to be thrown");
        } catch (StringIndexOutOfBoundsException ex) {
            if (isJavaVersionAtMost(JAVA_1_8)) {
                assertEquals("String index out of range: -1", ex.getMessage(), "ex.getMessage()");
            } else {
                assertEquals("begin 0, end -1, length 20", ex.getMessage(), "ex.getMessage()");
            }
        }
    }
}
