Files
epics-base/modules/libcom/test/epicsEllTest.c
2018-06-19 11:25:46 +02:00

269 lines
7.7 KiB
C

/*************************************************************************\
* Copyright (c) 2016 Michael Davidsaver
* Copyright (c) 2009 UChicago Argonne LLC, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "ellLib.h"
#include "dbDefs.h"
#include "epicsUnitTest.h"
#include "testMain.h"
struct myItem {
ELLNODE node;
int list;
int num;
};
static void testList(void)
{
ELLLIST list1;
ELLLIST list2 = ELLLIST_INIT;
int i1 = 1;
struct myItem *pitem, *pfirst, *pick;
list1.count = 27;
list1.node.next = (ELLNODE *) 0x01010101;
list1.node.previous = (ELLNODE *) 0x10101010;
ellInit(&list1);
testOk1(list1.count == 0);
testOk1(list1.node.next == NULL);
testOk1(list1.node.previous == NULL);
testOk1(list2.count == 0);
testOk1(list2.node.next == NULL);
testOk1(list2.node.previous == NULL);
/* First build a couple lists and fill them with nodes. */
pitem = (struct myItem *) malloc(sizeof(struct myItem));
pitem->node.next = (ELLNODE *) 0x10101010;
pitem->node.previous = (ELLNODE *) 0x10101010;
pitem->list = 1;
pitem->num = i1++;
ellAdd(&list1, &pitem->node);
testOk1(list1.count == 1);
testOk1(list1.node.next == &pitem->node);
testOk1(list1.node.previous == &pitem->node);
testOk1(pitem->node.next == NULL);
testOk1(pitem->node.previous == NULL);
pfirst = pitem;
while (i1 <= 21) { /* put 21 nodes into LIST1 */
pitem = (struct myItem *) malloc(sizeof(struct myItem));
pitem->list = 1;
pitem->num = i1++;
ellAdd(&list1, &pitem->node);
}
testOk1(list1.count == 21);
testOk1(list1.node.next == &pfirst->node);
testOk1(list1.node.previous == &pitem->node);
testOk1(pitem->node.next == NULL);
testOk1(ellFirst(&list1) == &pfirst->node);
testOk1(ellLast(&list1) == &pitem->node);
testOk1(ellNext(&pitem->node) == NULL);
testOk1(ellNext(&pfirst->node) == pfirst->node.next);
testOk1(ellNth(&list1, 0) == NULL);
pick = (struct myItem *)ellNth(&list1, 21);
testOk1(pick == pitem);
testOk1(ellNth(&list1, 22) == NULL);
testOk1(ellNth(&list1, 1) == &pfirst->node);
testOk1(ellNth(&list1, 2) == pfirst->node.next);
testOk1(ellNth(&list1, 20) == pitem->node.previous);
testOk1(ellPrevious(&pitem->node) == pitem->node.previous);
testOk1(ellPrevious(&pfirst->node) == NULL);
testOk1(ellPrevious(pfirst->node.next) == &pfirst->node);
pick = (struct myItem *)ellGet(&list1);
testOk1(pick == pfirst);
testOk1(list1.node.next == pfirst->node.next);
ellAdd(&list2, &pick->node);
pick = (struct myItem *)ellGet(&list2);
testOk1(pick == pfirst);
testOk1(list2.node.next == NULL);
testOk1(list2.node.previous == NULL);
testOk1(ellCount(&list1) == 20);
testOk1(ellCount(&list2) == 0);
ellConcat(&list1, &list2);
testOk1(ellCount(&list1) == 20);
testOk1(ellCount(&list2) == 0);
testOk1(list1.node.previous == &pitem->node);
ellAdd(&list2, &pick->node);
ellConcat(&list1, &list2);
testOk1(ellCount(&list1) == 21);
testOk1(ellCount(&list2) == 0);
testOk1(list1.node.previous == &pick->node);
testOk1(list2.node.next == NULL);
testOk1(list2.node.previous == NULL);
ellDelete(&list1, &pick->node);
testOk1(ellCount(&list1) == 20);
ellAdd(&list2, &pick->node);
ellConcat(&list2, &list1);
testOk1(ellFind(&list1, &pick->node) == -1); /* empty list */
testOk1(ellFind(&list2, &pick->node) == pick->num); /* first node */
pick = (struct myItem *)ellNth(&list2, 18);
testOk1(ellFind(&list2, &pick->node) == 18); /* 18th node */
ellDelete(&list2, &pick->node);
ellInsert(&list2, NULL, &pick->node); /* move #18 to top */
testOk1(ellCount(&list2) == 21);
testOk1(((struct myItem *)list2.node.next)->num == 18);
testOk1(ellFind(&list2, ellNth(&list2, 21)) == 21);
pick = (struct myItem *)ellGet(&list2);
pitem = (struct myItem *)ellNth(&list2, 17);
ellInsert(&list2, &pitem->node, &pick->node);
testOk1(ellFind(&list2, ellNth(&list2, 21)) == 21);
testOk1(((struct myItem *)ellFirst(&list2))->num == 1);
testOk1(((struct myItem *)ellNth(&list2,17))->num == 17);
testOk1(((struct myItem *)ellNth(&list2,18))->num == 18);
pick = (struct myItem *)ellLast(&list2);
pitem = (struct myItem *) malloc(sizeof(struct myItem));
ellInsert(&list2, &pick->node, &pitem->node);
testOk1(ellCount(&list2) == 22);
testOk1(ellFind(&list2, ellNth(&list2, 22)) == 22);
ellDelete(&list2, &pitem->node);
free(pitem);
ellExtract(&list2, ellNth(&list2,9), ellNth(&list2, 19), &list1);
testOk1(ellCount(&list2) == 10);
testOk1(ellCount(&list1) == 11);
testOk1(ellFind(&list2, ellNth(&list2, 10)) == 10);
testOk1(ellFind(&list1, ellNth(&list1, 11)) == 11);
ellFree(&list2);
testOk1(ellCount(&list2) == 0);
pick = (struct myItem *)ellFirst(&list1);
i1 = 1;
while(pick != NULL) {
pick->num = i1++;
pick = (struct myItem *)ellNext(&pick->node);
}
pick = (struct myItem *)ellFirst(&list1);
testOk1(pick != NULL);
pitem = (struct myItem *)ellNStep(&pick->node, 3);
testOk1(pitem != NULL);
testOk1(pitem->num == 4);
pitem = (struct myItem *)ellNStep(&pick->node, 30);
testOk1(pitem == NULL);
pitem = (struct myItem *)ellNStep(&pick->node, 10);
testOk1(pitem != NULL);
testOk1(pitem->num == 11);
pitem = (struct myItem *)ellNStep(&pitem->node, 0);
testOk1(pitem->num == 11);
pitem = (struct myItem *)ellNStep(&pitem->node, -4);
testOk1(pitem->num == 7);
ellFree2(&list1, free);
testOk1(ellCount(&list1) == 0);
}
typedef struct { int A, B; } input_t;
static int myItemCmp(const ELLNODE *a, const ELLNODE *b)
{
struct myItem *A = CONTAINER(a, struct myItem, node),
*B = CONTAINER(b, struct myItem, node);
if (A->num < B->num) return -1;
else if(A->num > B->num) return 1;
else if(A->list < B->list) return -1;
else if(A->list > B->list) return 1;
else return 0;
}
static const input_t input[] = {
{-4, 0},
{-5, 0},
{0,0},
{50,0},
{0,1},
{5,0},
{5,1}
};
static
void testSort(const input_t *inp, size_t ninp)
{
unsigned i;
ELLLIST list = ELLLIST_INIT;
struct myItem *alloc = calloc(ninp, sizeof(*alloc));
if(!alloc) testAbort("testSort allocation fails");
for(i=0; i<ninp; i++) {
struct myItem *it = &alloc[i];
it->num = inp[i].A;
it->list= inp[i].B;
ellAdd(&list, &it->node);
}
ellSortStable(&list, &myItemCmp);
testOk(ellCount(&list)==ninp, "output length %u == %u", (unsigned)ellCount(&list), (unsigned)ninp);
if(ellCount(&list)==0) {
testSkip(ninp-1, "all items lost");
}
{
struct myItem *prev = CONTAINER(ellFirst(&list), struct myItem, node),
*next;
for(next = CONTAINER(ellNext(&prev->node), struct myItem, node);
next;
prev = next, next = CONTAINER(ellNext(&next->node), struct myItem, node))
{
int cond = (prev->num<next->num) || (prev->num==next->num && prev->list<next->list);
testOk(cond, "%d:%d < %d:%d", prev->num, prev->list, next->num, next->list);
}
}
}
MAIN(epicsEllTest)
{
testPlan(77);
testList();
testSort(input, NELEMENTS(input));
return testDone();
}