package org.slf4j;
   
   import static junit.framework.Assert.assertTrue;
   
   public class OutputVerifier {
   
       static void noProvider(StringPrintStream sps) {
           dump(sps);
           int lineCount = sps.stringList.size();
          assertTrue("number of lines should be 6 but was " + lineCount, lineCount == 6);
  
          // expected output: (version 1.8)
          // SLF4J: No SLF4J providers were found.
          // SLF4J: Defaulting to no-operation (NOP) logger implementation
          // SLF4J: See http://www.slf4j.org/codes.html#noProviders for further details.
          // SLF4J: Class path contains SLF4J bindings targeting slf4j-api versions prior to 1.8.
          // SLF4J: Ignoring binding found at
          // [jar:file:..../slf4j-simple-1.4.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
          // SLF4J: See http://www.slf4j.org/codes.html#ignoredBindings for an explanation.
  
          {
              String s = (String) sps.stringList.get(0);
              assertTrue(s.contains("No SLF4J providers were found."));
          }
          {
              String s = (String) sps.stringList.get(1);
              assertTrue(s.contains("Defaulting to no-operation (NOP) logger implementation"));
          }
          {
              String s = (String) sps.stringList.get(2);
              assertTrue(s.contains("SLF4J: See http://www.slf4j.org/codes.html#noProviders for further details."));
          }
  
          {
              String s = (String) sps.stringList.get(3);
              assertTrue(s.contains("SLF4J: Class path contains SLF4J bindings targeting slf4j-api versions prior to 1.8."));
          }
  
          {
              String s = (String) sps.stringList.get(4);
              assertTrue(s.contains("Ignoring binding found at"));
          }
          {
              String s = (String) sps.stringList.get(5);
              assertTrue(s.contains("See http://www.slf4j.org/codes.html#ignoredBindings for an explanation"));
          }
      }
  
      public static void dump(StringPrintStream sps) {
          for (String s : sps.stringList) {
              System.out.println(s);
          }
      }
  }