stasis-aries-wal/test/lladd/check_lhtable.c

/*---
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---*/

#define _GNU_SOURCE
#include <stdio.h>
#include <time.h>
#include <limits.h>
#include <config.h>
#include <check.h>

#include <lladd/lhtable.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include "../check_includes.h"
/*
#include <sys/time.h>
#include <time.h>
*/
#define LOG_NAME   "check_lhtable.log"

/**
   @test 
*/

#define NUM_ENTRIES 10000

START_TEST(lhtableTest)
{
  /*  struct timeval tv;
  gettimeofday(&tv, NULL);
  srand(tv.tv_sec + tv.tv_usec);
  */

  char** keys = malloc(NUM_ENTRIES * sizeof(char*));
  struct LH_ENTRY(table) * t = LH_ENTRY(create)(100);
  for(long i = 0; i < NUM_ENTRIES; i++) { 
    int keyLen = asprintf(&(keys[i]), "--> %ld <--\n", i);
    assert(keyLen == strlen(keys[i]));
    assert(!LH_ENTRY(find)(t, keys[i], strlen(keys[i])));
    LH_ENTRY(insert)(t, keys[i], strlen(keys[i]), (void*)i);
    assert((void*)i == LH_ENTRY(find)(t, keys[i], strlen(keys[i])));

  }
  
  for(long i = 0; i < NUM_ENTRIES; i+=2) { 
    char * key;
    asprintf(&key, "--> %ld <--\n", i);
    
    assert((void*)i == LH_ENTRY(find)(t, key, strlen(key)));
    LH_ENTRY(remove)(t, keys[i], strlen(keys[i]));
    assert(!LH_ENTRY(find)(t, keys[i], strlen(keys[i])));
    free(key);
  }
  LH_ENTRY(destroy)(t);
  
  for(int i = 0; i < NUM_ENTRIES; i++) { 
    free(keys[i]);
  }
  free(keys);


} END_TEST

long myrandom(long x) {
  double xx = x;
  double r = random();
  double max = ((long)RAND_MAX)+1;
  max /= xx;
  return (long)((r/max));
}


#define MAXSETS   1000
#define MAXSETLEN 10000
#define NUM_ITERS 10
char * itoa(int i) {
  char * ret;
  asprintf(&ret, "%d", i);
  return ret;
}

START_TEST(lhtableRandomized) {
 for(int jjj = 0; jjj < NUM_ITERS; jjj++) { 
  time_t seed = time(0);
  if(jjj) { 
    printf("\nSeed = %ld\n", seed);
    srandom(seed);
  } else { 
    printf("\nSeed = %d\n", 1150241705);
    srandom(1150241705);  // This seed gets the random number generator to hit RAND_MAX, which makes a good test for myrandom()
  }

  struct LH_ENTRY(table) * t = LH_ENTRY(create)(myrandom(10000));
  int numSets = myrandom(MAXSETS);
  int* setLength = malloc(numSets * sizeof(int));
  int** sets = malloc(numSets * sizeof(int*));
  long nextVal = 1;
  long eventCount = 0;

  int* setNextAlloc = calloc(numSets, sizeof(int));
  int* setNextDel   = calloc(numSets, sizeof(int));
  int* setNextRead  = calloc(numSets, sizeof(int));

  for(int i =0; i < numSets; i++) { 
    setLength[i] = myrandom(MAXSETLEN);
    sets[i] = malloc(setLength[i] * sizeof(int));
    eventCount += setLength[i];
    for(int j =0; j < setLength[i]; j++) {
      sets[i][j] = nextVal;
      nextVal++;
    }
  }

  eventCount = myrandom(eventCount * 4);
  printf("Running %ld events.\n", eventCount);
  
  for(int iii = 0; iii < eventCount; iii++) { 
    int eventType = myrandom(3);  // 0 = insert; 1 = read; 2 = delete.
    int set = myrandom(numSets);
    switch(eventType) { 
    case 0: // insert
      if(setNextAlloc[set] != setLength[set]) {
	int keyInt = sets[set][setNextAlloc[set]];
	char * key = itoa(keyInt);
	assert(!LH_ENTRY(find)(t, key, strlen(key)+1));
	LH_ENTRY(insert)(t, key, strlen(key)+1, (void*)(long)keyInt);
	//	printf("i %d\n", keyInt);
	assert(LH_ENTRY(find)(t, key, strlen(key)+1));
	free(key);
	setNextAlloc[set]++;
      }
      break;
    case 1: // read
      if(setNextAlloc[set] != setNextDel[set]) { 
	setNextRead[set]++;
	if(setNextRead[set] < setNextDel[set]) { 
	  setNextRead[set] = setNextDel[set];
	} else if(setNextRead[set] == setNextAlloc[set]) { 
	  setNextRead[set] = setNextDel[set];
	}
	assert(setNextRead[set] < setNextAlloc[set] && setNextRead[set] >= setNextDel[set]);
	long keyInt = sets[set][setNextRead[set]];
	char * key = itoa(keyInt);
	long fret = (long)LH_ENTRY(find)(t, key, strlen(key)+1);
	assert(keyInt == fret);
	assert(keyInt == (long)LH_ENTRY(insert)(t, key, strlen(key)+1, (void*)(keyInt+1)));
	assert(keyInt+1 == (long)LH_ENTRY(insert)(t, key, strlen(key)+1, (void*)keyInt));
	free(key);
      }
      break;
    case 2: // delete
      if(setNextAlloc[set] != setNextDel[set]) { 
	int keyInt = sets[set][setNextDel[set]];
	char * key = itoa(keyInt);
	assert((long)keyInt == (long)LH_ENTRY(find)  (t, key, strlen(key)+1));
	assert((long)keyInt == (long)LH_ENTRY(remove)(t, key, strlen(key)+1));
	assert((long)0 == (long)LH_ENTRY(find)(t, key, strlen(key)+1));
	//	printf("d %d\n", keyInt);
	free(key);
	setNextDel[set]++;
      }
      break;
    default:
      abort();
    }
  }

  for(int i = 0; i < numSets; i++) { 
    free(sets[i]);
  }
  free(setNextAlloc);
  free(setNextDel);
  free(setNextRead);
  free(setLength);
  LH_ENTRY(destroy)(t);
 } 
} END_TEST

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

  tcase_set_timeout(tc, 0); // disable timeouts


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

  tcase_add_test(tc, lhtableTest);
  tcase_add_test(tc, lhtableRandomized);

  /* --------------------------------------------- */
  
  tcase_add_checked_fixture(tc, setup, teardown);


  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"