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#include <search.h>
#include <stdio.h>
#include <string.h>
#define CHECK(cond) \
do \
if (! (cond)) \
{ \
printf ("Condition " #cond " not true on line %d\n", __LINE__); \
ret = 1; \
} \
while (0)
static int
do_test (void)
{
struct qelem elements[4];
int ret = 0;
/* Linear list. */
memset (elements, 0xff, sizeof (elements));
insque (&elements[0], NULL);
remque (&elements[0]);
insque (&elements[0], NULL);
insque (&elements[2], &elements[0]);
insque (&elements[1], &elements[0]);
insque (&elements[3], &elements[2]);
remque (&elements[2]);
insque (&elements[2], &elements[0]);
CHECK (elements[0].q_back == NULL);
CHECK (elements[0].q_forw == &elements[2]);
CHECK (elements[1].q_back == &elements[2]);
CHECK (elements[1].q_forw == &elements[3]);
CHECK (elements[2].q_back == &elements[0]);
CHECK (elements[2].q_forw == &elements[1]);
CHECK (elements[3].q_back == &elements[1]);
CHECK (elements[3].q_forw == NULL);
/* Circular list. */
memset (elements, 0xff, sizeof (elements));
elements[0].q_back = &elements[0];
elements[0].q_forw = &elements[0];
insque (&elements[2], &elements[0]);
insque (&elements[1], &elements[0]);
insque (&elements[3], &elements[2]);
remque (&elements[2]);
insque (&elements[2], &elements[0]);
CHECK (elements[0].q_back == &elements[3]);
CHECK (elements[0].q_forw == &elements[2]);
CHECK (elements[1].q_back == &elements[2]);
CHECK (elements[1].q_forw == &elements[3]);
CHECK (elements[2].q_back == &elements[0]);
CHECK (elements[2].q_forw == &elements[1]);
CHECK (elements[3].q_back == &elements[1]);
CHECK (elements[3].q_forw == &elements[0]);
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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