stasis-aries-wal/test/stasis/check_pageOperations.c

/*---
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---*/

#include <config.h>
#include <check.h>

#include "../../src/stasis/page.h"
#include <stasis/bufferManager.h>
#include <stasis/transactional.h>
#include <stasis/truncation.h>
#include <stasis/logger/logger2.h>

#include "../../src/stasis/latches.h"
#include <sched.h>
#include <assert.h>
#include "../check_includes.h"

#define LOG_NAME   "check_pageOperations.log"
#include "../../src/stasis/logger/logWriter.h"
extern int numActiveXactions;

START_TEST(pageOpCheckRecovery) {
  Tinit();

  int xid = Tbegin();

  int pageid1 = TpageAlloc(xid);

  int pageid2 =  TpageAlloc(xid);
  
  Page p;
  byte memAddr[PAGE_SIZE];

  p.memAddr = memAddr;

  memset(p.memAddr, 1, PAGE_SIZE);
  // Reset the page type after overwriting it with memset.  Otherwise, Stasis
  // will try to interpret it when it flushes the page to disk.
  *stasis_page_type_ptr(&p) = 0;

  TpageSet(xid, pageid1, p.memAddr);

  memset(p.memAddr, 2, PAGE_SIZE);
  *stasis_page_type_ptr(&p) = 0;

  TpageSet(xid, pageid2, p.memAddr);
  
  Tcommit(xid);

  xid = Tbegin();

  TpageAlloc(xid);  /* This test doesn't check for leaks, so we don't need to remember this pageid. */
  TpageDealloc(xid, pageid1);
  TpageDealloc(xid, pageid2);
  TuncleanShutdown();

  Tinit();

  xid = Tbegin();
  
  int pageid3 = TpageAlloc(xid);
  memset(p.memAddr, 3, PAGE_SIZE);
  *stasis_page_type_ptr(&p) = 0;
  TpageSet(xid, pageid3, p.memAddr);
  

  byte newAddr[PAGE_SIZE];

  memset(p.memAddr, 1, PAGE_SIZE);
  *stasis_page_type_ptr(&p) = 0;
  TpageGet(xid, pageid1, newAddr);
  assert(!memcmp(p.memAddr, newAddr, PAGE_SIZE-sizeof(lsn_t)));

  memset(p.memAddr, 2, PAGE_SIZE);
  *stasis_page_type_ptr(&p) = 0;
  TpageGet(xid, pageid2, newAddr);
  assert(!memcmp(p.memAddr, newAddr, PAGE_SIZE-sizeof(lsn_t)));

  memset(p.memAddr, 3, PAGE_SIZE);
  *stasis_page_type_ptr(&p) = 0;
  TpageGet(xid, pageid3, newAddr);
  assert(!memcmp(p.memAddr, newAddr, PAGE_SIZE-sizeof(lsn_t)));
  Tcommit(xid);
  Tdeinit();

} END_TEST

/**
   @test
*/

START_TEST(pageOpCheckAllocDealloc) {

#ifdef REUSE_PAGES

  Tinit();

  int xid = Tbegin();

  int pageid = TpageAllocMany(xid, 100);

  fail_unless(pageid == 1, NULL);

  pageid = TpageAlloc(xid);
  fail_unless(pageid == 101, NULL);

  TpageDealloc(xid, 52);
  
  pageid = TpageAlloc(xid);

  fail_unless(pageid == 52, NULL);
  printf("\nA\n"); fflush(NULL);
  Tcommit(xid);
  xid = Tbegin();
  printf("\nEverything below this aborts\n"); fflush(NULL);
  for(int i = 1; i < 102; i++) {
    TpageDealloc(xid, i);
  }
  printf("\nB\n"); fflush(NULL);
  for(int i = 0; i < 50; i++) {
    pageid = TpageAlloc(xid);
    assert(pageid < 102);
  }
  printf("\nC - aborting\n"); fflush(NULL);
  Tabort(xid);
  printf("\nD - aborted\n"); fflush(NULL);
  xid = Tbegin();

  pageid = TpageAlloc(xid);
  printf("\nE\n"); fflush(NULL);
  fail_unless(pageid == 102, NULL);

  Tcommit(xid);

  Tdeinit();

#else

  printf(" Skipping 1 check for page leaks since page reuse is diabled.\n");

#endif

} END_TEST

Suite * check_suite(void) {
  Suite *s = suite_create("pageOperations");
  /* Begin a new test */
  TCase *tc = tcase_create("pageOperations");

  /* Sub tests are added, one per line, here */

  tcase_add_test(tc, pageOpCheckAllocDealloc);
  if(LOG_TO_MEMORY != loggerType) { 
    tcase_add_test(tc, pageOpCheckRecovery);
  }
  /* --------------------------------------------- */
  
  tcase_add_checked_fixture(tc, setup, teardown);

  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"