/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v2.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  
  package ch.qos.logback.classic.misc;
  
  import ch.qos.logback.classic.Level;
  import ch.qos.logback.classic.Logger;
  import ch.qos.logback.classic.LoggerContext;
  import org.junit.jupiter.api.Test;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class SLF4JServiceProviderTest {
  
  
      /**
       * Test that SLF4JServiceProvider mechanism is working.
       */
      @Test
      public void testActivationOfLogbackProvider() {
          System.setProperty("logback.configurationFile", "logback-minimal.xml");
          org.slf4j.Logger logger = LoggerFactory.getLogger(SLF4JServiceProviderTest.class);
  
          LoggerContext loggingContext = (LoggerContext) LoggerFactory.getILoggerFactory();
          assertNotNull(loggingContext);
  
          Logger root = loggingContext.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
          assertEquals(Level.ERROR, root.getLevel());
  
      }
  
  }