/*?Copyright?（c）?2011?The?LevelDB?Authors.?All?rights?reserved.
???Use?of?this?source?code?is?governed?by?a?BSD-style?license?that?can?be
???found?in?the?LICENSE?file.?See?the?AUTHORS?file?for?names?of?contributors.?*/

#include?“l(fā)eveldb/c.h“

#include?
#include?
#include?
#include?
#include?
#include?

const?char*?phase?=?““;
static?char?dbname[200];

static?void?StartPhase（const?char*?name）?{
??fprintf（stderr?“===?Test?%s\n“?name）;
??phase?=?name;
}

static?const?char*?GetTempDir（void）?{
????const?char*?ret?=?getenv（“TEST_TMPDIR“）;
????if?（ret?==?NULL?||?ret[0]?==?‘\0‘）
????????ret?=?“/tmp“;
????return?ret;
}

#define?CheckNoError（err）???????????????????????????????????????????????\
??if?（（err）?!=?NULL）?{??????????????????????????????????????????????????\
????fprintf（stderr?“%s:%d:?%s:?%s\n“?__FILE__?__LINE__?phase?（err））;?\
????abort（）;????????????????????????????????????????????????????????????\
??}

#define?CheckCondition（cond）????????????????????????????????????????????\
??if?（!（cond））?{????????????????????????????????????????????????????????\
????fprintf（stderr?“%s:%d:?%s:?%s\n“?__FILE__?__LINE__?phase?#cond）;?\
????abort（）;????????????????????????????????????????????????????????????\
??}

static?void?CheckEqual（const?char*?expected?const?char*?v?size_t?n）?{
??if?（expected?==?NULL?&&?v?==?NULL）?{
????//?ok
??}?else?if?（expected?!=?NULL?&&?v?!=?NULL?&&?n?==?strlen（expected）?&&
?????????????memcmp（expected?v?n）?==?0）?{
????//?ok
????return;
??}?else?{
????fprintf（stderr?“%s:?expected?‘%s‘?got?‘%s‘\n“
????????????phase
????????????（expected???expected?:?“（null）“）
????????????（v???v?:?“（null“））;
????abort（）;
??}
}

static?void?Free（char**?ptr）?{
??if?（*ptr）?{
????free（*ptr）;
????*ptr?=?NULL;
??}
}

static?void?CheckGet（
????leveldb_t*?db
????const?leveldb_readoptions_t*?options
????const?char*?key
????const?char*?expected）?{
??char*?err?=?NULL;
??size_t?val_len;
??char*?val;
??val?=?leveldb_get（db?options?key?strlen（key）?&val_len?&err）;
??CheckNoError（err）;
??CheckEqual（expected?val?val_len）;
??Free（&val）;
}

static?void?CheckIter（leveldb_iterator_t*?iter
??????????????????????const?char*?key?const?char*?val）?{
??size_t?len;
??const?char*?str;
??str?=?leveldb_iter_key（iter?&len）;
??CheckEqual（key?str?len）;
??str?=?leveldb_iter_value（iter?&len）;
??CheckEqual（val?str?len）;
}

//?Callback?from?leveldb_writebatch_iterate（）
static?void?CheckPut（void*?ptr
?????????????????????const?char*?k?size_t?klen
?????????????????????const?char*?v?size_t?vlen）?{
??int*?state?=?（int*）?ptr;
??CheckCondition（*state???switch?（*state）?{
????case?0:
??????CheckEqual（“bar“?k?klen）;
??????CheckEqual（“b“?v?vlen）;
??????break;
????case?1:
??????CheckEqual（“box“?k?klen）;
??????CheckEqual（“c“?v?vlen）;
??????break;
??}
??（*state）++;
}

//?Callback?from?leveldb_writebatch_iterate（）
static?void?CheckDel（void*?ptr?const?char*?k?size_t?klen）?{
??int*?state?=?