java-design-patterns/collecting-parameter/src/test/java/com/iluwatar/collectingparameter/PrinterQueueTest.java

/*
 * This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
 *
 * The MIT License
 * Copyright © 2014-2022 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.iluwatar.collectingparameter;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;

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

class PrinterQueueTest {

  @Test
  @Timeout(1000)
  void singletonTest() {
    PrinterQueue printerQueue1 = PrinterQueue.getInstance();
    PrinterQueue printerQueue2 = PrinterQueue.getInstance();
    assertSame(printerQueue1, printerQueue2);
  }

  @Test()
  @Timeout(1000)
  void negativePageCount() throws IllegalArgumentException {
    Assertions.assertThrows(IllegalArgumentException.class, () -> new PrinterItem(PaperSizes.A4, -1, true, true));
  }

  @Test()
  @Timeout(1000)
  void nullPageSize() throws IllegalArgumentException {
    Assertions.assertThrows(IllegalArgumentException.class, () -> new PrinterItem(null, 1, true, true));
  }

}