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test-dump-cache-tree: validate the cached data as well.

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While dumping the cached data, try recomputing everything from
scratch to make sure things match.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-04-27 16:22:45 -07:00
parent 2956dd3bd7
commit d2cb7c6e93
1 changed files with 45 additions and 11 deletions
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56
dump-cache-tree.c
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@ -2,30 +2,64 @@
#include "tree.h"
#include "cache-tree.h"
static void dump_cache_tree(struct cache_tree *it, const char *pfx)
static void dump_one(struct cache_tree *it, const char *pfx, const char *x)
{
if (it->entry_count < 0)
printf("%-40s %s%s (%d subtrees)\n",
"invalid", x, pfx, it->subtree_nr);
else
printf("%s %s%s (%d entries, %d subtrees)\n",
sha1_to_hex(it->sha1), x, pfx,
it->entry_count, it->subtree_nr);
}
static int dump_cache_tree(struct cache_tree *it,
struct cache_tree *ref,
const char *pfx)
{
int i;
int errs = 0;
if (!it)
return;
if (it->entry_count < 0)
printf("%-40s %s (%d subtrees)\n", "invalid", pfx,
it->subtree_nr);
else
printf("%s %s (%d entries, %d subtrees)\n",
sha1_to_hex(it->sha1),
pfx, it->entry_count, it->subtree_nr);
if (!ref)
die("internal error");
if (it->entry_count < 0) {
dump_one(it, pfx, "");
dump_one(ref, pfx, "#(ref) ");
if (it->subtree_nr != ref->subtree_nr)
errs = 1;
}
else {
dump_one(it, pfx, "");
if (memcmp(it->sha1, ref->sha1, 20) ||
ref->entry_count != it->entry_count ||
ref->subtree_nr != it->subtree_nr) {
dump_one(ref, pfx, "#(ref) ");
errs = 1;
}
}
for (i = 0; i < it->subtree_nr; i++) {
char path[PATH_MAX];
struct cache_tree_sub *down = it->down[i];
struct cache_tree_sub *rdwn;
rdwn = cache_tree_sub(ref, down->name);
sprintf(path, "%s%.*s/", pfx, down->namelen, down->name);
dump_cache_tree(down->cache_tree, path);
if (dump_cache_tree(down->cache_tree, rdwn->cache_tree, path))
errs = 1;
}
return errs;
}
int main(int ac, char **av)
{
struct cache_tree *another = cache_tree();
if (read_cache() < 0)
die("unable to read index file");
dump_cache_tree(active_cache_tree, "");
return 0;
cache_tree_update(another, active_cache, active_nr, 0, 1);
return dump_cache_tree(active_cache_tree, another, "");
}