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

/*---
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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---*/
#include "../check_includes.h"

#include <stasis/transactional.h>
#include <stasis/arrayCollection.h>
#include <pbl/pbl.h>

#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <sys/time.h>
#include <time.h>

#define LOG_NAME   "check_iterator.log"

/**
   @test

*/


/** Take two iterators, and make sure they represent the same set. */
static void iterator_test(int xid,
			 lladdIterator_t * reference_impl,
			 lladdIterator_t * tested_impl) {

  pblHashTable_t * hash = pblHtCreate();

  int numEntries = 0;

  while(Titerator_next(xid, reference_impl)) {
    int    keySize,  valSize;
    byte  *key,     *val,    *valScratch;

    keySize = Titerator_key(xid, reference_impl,   &key);
    valSize = Titerator_value(xid, reference_impl, &valScratch);
    val = malloc(valSize);
    memcpy(val, valScratch, valSize);  // pblHtInsert stores values a pointers to application managed memory.

    pblHtInsert(hash, key, keySize, val);
    numEntries ++;
  }

  while(Titerator_next(xid, tested_impl)) {
    numEntries --;

    int    keySize,  valSize;
    byte  *key,     *val,    *valScratch;

    keySize = Titerator_key(xid, tested_impl,   &key);
    valSize = Titerator_value(xid, tested_impl, &valScratch);

    val = pblHtLookup(hash, key, keySize);

    assert(val);

    assert(!memcmp(val, valScratch, valSize));

    free(val);

    pblHtRemove(hash, key, keySize);

  }

  assert(!numEntries);

}

#define NUM_ENTRIES 10000

START_TEST(iteratorTest)
{
  Tinit();
  int xid = Tbegin();
  unsigned int keyArray[NUM_ENTRIES];
  byte valueArray[NUM_ENTRIES];

  unsigned int i;

  recordid hash = ThashCreate(xid, sizeof(unsigned int), sizeof(byte));

  for(i = 0; i < NUM_ENTRIES; i++) {
    keyArray[i] = i;
    valueArray[i] = i % 256;
    byte j = i % 256;
    ThashInsert(xid, hash, (byte*)&i, sizeof(unsigned int), &j, sizeof(byte));
  }

  lladdIterator_t * arrayIt = arrayIterator((byte *)keyArray, sizeof(int), valueArray, sizeof(char), NUM_ENTRIES);
  i = 0;
  while(Titerator_next(-1, arrayIt)) {
    unsigned int * key;
    unsigned int ** bkey = &key;
    unsigned char * value;
    unsigned char ** bvalue = &value;
    int keySize   = Titerator_key(-1, arrayIt, (byte**)bkey);
    int valueSize = Titerator_value(-1, arrayIt, (byte**)bvalue);
    assert(keySize == sizeof(unsigned int));
    assert(valueSize == sizeof(unsigned char));
    assert(*key == i);
    assert(*value == (i % 256));
    i++;
  }

  Titerator_close(-1, arrayIt);

  arrayIt = arrayIterator((byte*)keyArray, sizeof(int), valueArray, sizeof(char), NUM_ENTRIES);

  lladdIterator_t * hashIt = ThashGenericIterator(xid, hash);

  iterator_test(xid, arrayIt, hashIt);

  Tcommit(xid);
  Tdeinit();
} END_TEST


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

  tcase_set_timeout(tc, 0); // disable timeouts
  /* Sub tests are added, one per line, here */

  tcase_add_test(tc, iteratorTest);

  /* --------------------------------------------- */

  tcase_add_checked_fixture(tc, setup, teardown);


  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"