assertEquals(0, actual.indexOf(list(1, 3)));
    assertEquals(1, actual.indexOf(list(1, 4)));
    assertEquals(2, actual.indexOf(list(2, 3)));
    assertEquals(3, actual.indexOf(list(2, 4)));
    assertEquals(-1, actual.indexOf(list(3, 1)));

    assertEquals(-1, actual.indexOf(list(1)));
    assertEquals(-1, actual.indexOf(list(1, 1, 1)));
  }

    assertEquals(0, CharStreams.exhaust(empty));
    assertEquals(-1, empty.read());
  }

  public void testExhaust_readable() throws IOException {
    CharBuffer buf = CharBuffer.wrap(ASCII);
    assertEquals(ASCII.length(), CharStreams.exhaust(buf));
    assertEquals(0, buf.remaining());
    assertEquals(0, CharStreams.exhaust(buf));

    CharBuffer empty = CharBuffer.wrap("");
    assertEquals(0, CharStreams.exhaust(empty));

    assertEquals(0, CharStreams.exhaust(empty));
    assertEquals(-1, empty.read());
  }

  public void testExhaust_readable() throws IOException {
    CharBuffer buf = CharBuffer.wrap(ASCII);
    assertEquals(ASCII.length(), CharStreams.exhaust(buf));
    assertEquals(0, buf.remaining());
    assertEquals(0, CharStreams.exhaust(buf));

    CharBuffer empty = CharBuffer.wrap("");
    assertEquals(0, CharStreams.exhaust(empty));

        assertEquals(Severity.FATAL, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.ERROR, null, -1, -1, null);
        assertEquals(Severity.ERROR, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.WARNING, null, -1, -1, null);
        assertEquals(Severity.WARNING, problem.getSeverity());
    }

    @Test
    void testGetLineNumber() {

        Object[] artifacts = new Object[] {a.artifact, c.artifact, d1.artifact, b2.artifact, e.artifact, g.artifact};
        assertEquals(createSet(artifacts), res.getArtifacts(), "Check artifact list");
        assertEquals("1.0", getArtifact("d", res.getArtifacts()).getVersion(), "Check version");
        assertEquals("2.0", getArtifact("b", res.getArtifacts()).getVersion(), "Check version");
    }

    @Test

        charmappingpager.clear();
        assertEquals(0, charmappingpager.getAllRecordCount());
        assertEquals(0, charmappingpager.getAllPageCount());
        assertEquals(false, charmappingpager.isExistPrePage());
        assertEquals(false, charmappingpager.isExistNextPage());
        assertEquals(25, charmappingpager.getPageSize());
        assertEquals(1, charmappingpager.getCurrentPageNumber());

          @Override
          public void run() {
            runCalled.getAndIncrement();
          }
        },
        directExecutor());
    list.execute();
    assertEquals(1, runCalled.get());
    list.execute();
    assertEquals(1, runCalled.get());
  }

  public void testExecute_idempotentConcurrently() throws InterruptedException {
    final CountDownLatch okayToRun = new CountDownLatch(1);

    resetWithHole();
    assertEquals(null, sortedMultiset.headMultiset(a.getElement(), OPEN).lastEntry());
    assertEquals(a, sortedMultiset.headMultiset(b.getElement(), OPEN).lastEntry());
    assertEquals(a, sortedMultiset.headMultiset(c.getElement(), OPEN).lastEntry());
  }

  @CollectionSize.Require(SEVERAL)
  public void testFloor() {
    resetWithHole();

        accesstokenpager.clear();
        assertEquals(0, accesstokenpager.getAllRecordCount());
        assertEquals(0, accesstokenpager.getAllPageCount());
        assertEquals(false, accesstokenpager.isExistPrePage());
        assertEquals(false, accesstokenpager.isExistNextPage());
        assertEquals(25, accesstokenpager.getPageSize());
        assertEquals(1, accesstokenpager.getCurrentPageNumber());

        assertNull(paramMap.get("xxx"));
        assertEquals("111", paramMap.get("aaa"));
        assertEquals("222", paramMap.get("aaa_bbb"));
        assertEquals("222", paramMap.get("aaaBbb"));
        assertEquals("222", paramMap.get("AaaBbb"));
        assertNull(paramMap.get("aaabbb"));
        assertEquals("333", paramMap.get("aaa_bbb_ccc"));
        assertEquals("333", paramMap.get("aaaBbbCcc"));