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lib: talloc: Test suite for the new destructor reparent logic.

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Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sun Mar  8 20:52:43 CET 2015 on sn-devel-104
This commit is contained in:
Jeremy Allison 2015-03-03 17:12:32 -08:00
parent cc4e5481ea
commit 6b0cecee1b
1 changed files with 82 additions and 0 deletions
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82
lib/talloc/testsuite.c
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@ -981,6 +981,84 @@ static bool test_free_parent_deny_child(void)
return true;
}
struct new_parent {
void *new_parent;
char val[20];
};
static int reparenting_destructor(struct new_parent *np)
{
talloc_set_destructor(np, NULL);
(void)talloc_move(np->new_parent, &np);
return -1;
}
static bool test_free_parent_reparent_child(void)
{
void *top = talloc_new(NULL);
char *level1;
char *alternate_level1;
char *level2;
struct new_parent *level3;
printf("test: free_parent_reparent_child\n# "
"TALLOC FREE PARENT REPARENT CHILD\n");
level1 = talloc_strdup(top, "level1");
alternate_level1 = talloc_strdup(top, "alternate_level1");
level2 = talloc_strdup(level1, "level2");
level3 = talloc(level2, struct new_parent);
level3->new_parent = alternate_level1;
memset(level3->val, 'x', sizeof(level3->val));
talloc_set_destructor(level3, reparenting_destructor);
talloc_free(level1);
CHECK_PARENT("free_parent_reparent_child",
level3, alternate_level1);
talloc_free(top);
printf("success: free_parent_reparent_child\n");
return true;
}
static bool test_free_parent_reparent_child_in_pool(void)
{
void *top = talloc_new(NULL);
char *level1;
char *alternate_level1;
char *level2;
void *pool;
struct new_parent *level3;
printf("test: free_parent_reparent_child_in_pool\n# "
"TALLOC FREE PARENT REPARENT CHILD IN POOL\n");
pool = talloc_pool(top, 1024);
level1 = talloc_strdup(pool, "level1");
alternate_level1 = talloc_strdup(top, "alternate_level1");
level2 = talloc_strdup(level1, "level2");
level3 = talloc(level2, struct new_parent);
level3->new_parent = alternate_level1;
memset(level3->val, 'x', sizeof(level3->val));
talloc_set_destructor(level3, reparenting_destructor);
talloc_free(level1);
talloc_set_destructor(level3, NULL);
CHECK_PARENT("free_parent_reparent_child_in_pool",
level3, alternate_level1);
/* Even freeing alternate_level1 should leave pool alone. */
talloc_free(alternate_level1);
talloc_free(top);
printf("success: free_parent_reparent_child_in_pool\n");
return true;
}
static bool test_talloc_ptrtype(void)
{
void *top = talloc_new(NULL);
@ -1674,6 +1752,10 @@ bool torture_local_talloc(struct torture_context *tctx)
test_reset();
ret &= test_free_parent_deny_child();
test_reset();
ret &= test_free_parent_reparent_child();
test_reset();
ret &= test_free_parent_reparent_child_in_pool();
test_reset();
ret &= test_talloc_ptrtype();
test_reset();
ret &= test_talloc_free_in_destructor();