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#include "test-tool.h"
#include "cache.h"
#include "object.h"
#include "decorate.h"
int cmd__example_decorate(int argc, const char **argv)
{
struct decoration n;
struct object_id one_oid = { {1} };
struct object_id two_oid = { {2} };
struct object_id three_oid = { {3} };
struct object *one, *two, *three;
int decoration_a, decoration_b;
void *ret;
int i, objects_noticed = 0;
/*
* The struct must be zero-initialized.
*/
memset(&n, 0, sizeof(n));
/*
* Add 2 objects, one with a non-NULL decoration and one with a NULL
* decoration.
*/
one = lookup_unknown_object(one_oid.hash);
two = lookup_unknown_object(two_oid.hash);
ret = add_decoration(&n, one, &decoration_a);
if (ret)
die("BUG: when adding a brand-new object, NULL should be returned");
ret = add_decoration(&n, two, NULL);
if (ret)
die("BUG: when adding a brand-new object, NULL should be returned");
/*
* When re-adding an already existing object, the old decoration is
* returned.
*/
ret = add_decoration(&n, one, NULL);
if (ret != &decoration_a)
die("BUG: when readding an already existing object, existing decoration should be returned");
ret = add_decoration(&n, two, &decoration_b);
if (ret)
die("BUG: when readding an already existing object, existing decoration should be returned");
/*
* Lookup returns the added declarations, or NULL if the object was
* never added.
*/
ret = lookup_decoration(&n, one);
if (ret)
die("BUG: lookup should return added declaration");
ret = lookup_decoration(&n, two);
if (ret != &decoration_b)
die("BUG: lookup should return added declaration");
three = lookup_unknown_object(three_oid.hash);
ret = lookup_decoration(&n, three);
if (ret)
die("BUG: lookup for unknown object should return NULL");
/*
* The user can also loop through all entries.
*/
for (i = 0; i < n.size; i++) {
if (n.entries[i].base)
objects_noticed++;
}
if (objects_noticed != 2)
die("BUG: should have 2 objects");
return 0;
}
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