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check reopening sm disk

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This commit is contained in:
Joe Thornber 2011-07-22 16:43:15 +01:00
parent 20cf00c078
commit 0f3931bee0
2 changed files with 26 additions and 2 deletions
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4
space_map_disk.h
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@ -129,8 +129,8 @@ namespace persistent_data {
: tm_(tm), : tm_(tm),
nr_blocks_(root.nr_blocks_), nr_blocks_(root.nr_blocks_),
nr_allocated_(root.nr_allocated_), nr_allocated_(root.nr_allocated_),
bitmaps_(tm_, root.bitmap_root_, typename sm_disk::index_entry_traits::ref_counter()), bitmaps_(tm_, root.bitmap_root_, typename sm_disk_detail::index_entry_traits::ref_counter()),
ref_counts_(tm_, root.ref_count_root_, typename ref_count_traits::ref_counter()) { ref_counts_(tm_, root.ref_count_root_, ref_count_traits::ref_counter()) {
} }
block_address get_nr_blocks() const { block_address get_nr_blocks() const {

24
space_map_disk_t.cc
View File

@ -119,4 +119,28 @@ BOOST_AUTO_TEST_CASE(test_set_effects_nr_allocated)
} }
} }
BOOST_AUTO_TEST_CASE(test_reopen)
{
unsigned char buffer[128];
{
auto sm = create_sm_disk();
for (unsigned i = 0, step = 1; i < NR_BLOCKS; i += step, step++) {
sm->inc(i);
}
BOOST_CHECK(sm->root_size() <= sizeof(buffer));
sm->copy_root(buffer, sizeof(buffer));
}
{
auto tm = create_tm();
auto sm = persistent_data::open_disk_sm<BLOCK_SIZE>(tm, buffer);
for (unsigned i = 0, step = 1; i < NR_BLOCKS; i += step, step++)
BOOST_CHECK_EQUAL(sm->get_count(i), 1);
}
}
//---------------------------------------------------------------- //----------------------------------------------------------------