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Add more tests for extent hooks failure paths.

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This commit is contained in:
Qi Wang 2017-11-28 12:21:58 -08:00 committed by Qi Wang
parent 26a8f82c48
commit 6e841f618a
3 changed files with 25 additions and 3 deletions
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3
src/extent.c
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@ -988,9 +988,12 @@ extent_recycle_split(tsdn_t *tsdn, arena_t *arena,
extent_deregister(tsdn, to_salvage);
}
if (to_leak != NULL) {
void *leak = extent_base_get(to_leak);
extent_deregister(tsdn, to_leak);
extents_leak(tsdn, arena, r_extent_hooks, extents,
to_leak, growing_retained);
assert(extent_lock_from_addr(tsdn, rtree_ctx, leak)
== NULL);
}
return NULL;
}

2
test/include/test/extent_hooks.h
View File

@ -266,6 +266,8 @@ extent_merge_hook(extent_hooks_t *extent_hooks, void *addr_a, size_t size_a,
"extent_hooks should be same as pointer used to set hooks");
assert_ptr_eq(extent_hooks->merge, extent_merge_hook,
"Wrong hook function");
assert_ptr_eq((void *)((uintptr_t)addr_a + size_a), addr_b,
"Extents not mergeable");
called_merge = true;
if (!try_merge) {
return true;

23
test/integration/extent.c
View File

@ -98,7 +98,8 @@ test_extent_body(unsigned arena_ind) {
dallocx(p, flags);
}
TEST_BEGIN(test_extent_manual_hook) {
static void
test_manual_hook_body(void) {
unsigned arena_ind;
size_t old_size, new_size, sz;
size_t hooks_mib[3];
@ -139,8 +140,9 @@ TEST_BEGIN(test_extent_manual_hook) {
assert_ptr_ne(old_hooks->merge, extent_merge_hook,
"Unexpected extent_hooks error");
test_skip_if(check_background_thread_enabled());
test_extent_body(arena_ind);
if (check_background_thread_enabled()) {
test_extent_body(arena_ind);
}
/* Restore extent hooks. */
assert_d_eq(mallctlbymib(hooks_mib, hooks_miblen, NULL, NULL,
@ -165,6 +167,21 @@ TEST_BEGIN(test_extent_manual_hook) {
assert_ptr_eq(old_hooks->merge, default_hooks->merge,
"Unexpected extent_hooks error");
}
TEST_BEGIN(test_extent_manual_hook) {
test_manual_hook_body();
/* Test failure paths. */
try_split = false;
test_manual_hook_body();
try_merge = false;
test_manual_hook_body();
try_purge_lazy = false;
try_purge_forced = false;
test_manual_hook_body();
try_split = try_merge = try_purge_lazy = try_purge_forced = true;
}
TEST_END
TEST_BEGIN(test_extent_auto_hook) {