Method metaLockTester

test/simpledb/LockingTest.java:73–80

Generic unit test structure for BufferPool.getPage() assuming locking. @param tid1 the first transaction Id @param pid1 the first page to lock over @param perm1 the type of lock for the first page @param tid2 the second transaction Id @param pid2 the second page to lock over @param perm2 the type o

(
      TransactionId tid1, PageId pid1, Permissions perm1,
      TransactionId tid2, PageId pid2, Permissions perm2,
      boolean expected)

   *   false otherwise
   */
  public void metaLockTester(
      TransactionId tid1, PageId pid1, Permissions perm1,
      TransactionId tid2, PageId pid2, Permissions perm2,
      boolean expected) throws Exception {

    bp.getPage(tid1, pid1, perm1);
    grabLock(tid2, pid2, perm2, expected);
  }

  /**
   * Generic unit test structure to grab an additional lock in a new