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mdbx-test: extending speculum mode for cursors tracking verification.

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Change-Id: I44786efcee6feb1c7d414c925717d08ed9d94e20
This commit is contained in:
Leonid Yuriev
2020-11-16 06:52:48 +03:00
parent 149b3d09e6
commit 7cdbe1badb
4 changed files with 392 additions and 34 deletions
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47
test/test.h
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@@ -103,31 +103,33 @@ protected:
#else
using data_view = std::string;
#endif
static inline data_view S(const MDBX_val &v) {
static inline data_view iov2dataview(const MDBX_val &v) {
return (v.iov_base && v.iov_len)
? data_view(static_cast<const char *>(v.iov_base), v.iov_len)
: data_view();
}
static inline data_view S(const keygen::buffer &b) { return S(b->value); }
static inline data_view iov2dataview(const keygen::buffer &b) {
return iov2dataview(b->value);
}
using Item = std::pair<std::string, std::string>;
static MDBX_val dataview2iov(const data_view &v) {
MDBX_val r;
r.iov_base = (void *)v.data();
r.iov_len = v.size();
return r;
}
struct ItemCompare {
const testcase *context;
ItemCompare(const testcase *owner) : context(owner) {}
bool operator()(const Item &a, const Item &b) const {
MDBX_val va, vb;
va.iov_base = (void *)a.first.data();
va.iov_len = a.first.size();
vb.iov_base = (void *)b.first.data();
vb.iov_len = b.first.size();
MDBX_val va = dataview2iov(a.first), vb = dataview2iov(b.first);
int cmp = mdbx_cmp(context->txn_guard.get(), context->dbi, &va, &vb);
if (cmp == 0 &&
(context->config.params.table_flags & MDBX_DUPSORT) != 0) {
va.iov_base = (void *)a.second.data();
va.iov_len = a.second.size();
vb.iov_base = (void *)b.second.data();
vb.iov_len = b.second.size();
va = dataview2iov(a.second);
vb = dataview2iov(b.second);
cmp = mdbx_dcmp(context->txn_guard.get(), context->dbi, &va, &vb);
}
return cmp < 0;
@@ -159,6 +161,29 @@ protected:
} last;
SET speculum{ItemCompare(this)}, speculum_committed{ItemCompare(this)};
scoped_cursor_guard speculum_cursors[5];
void speculum_prepare_cursors(const Item &item);
void speculum_check_iterator(const char *where, const char *stage,
const testcase::SET::const_iterator &it,
const MDBX_val &key, const MDBX_val &data) const;
void speculum_check_cursor(const char *where, const char *stage,
const testcase::SET::const_iterator &it,
int cursor_err, const MDBX_val &cursor_key,
const MDBX_val &cursor_data) const;
void speculum_check_cursor(const char *where, const char *stage,
const testcase::SET::const_iterator &it,
MDBX_cursor *cursor,
const MDBX_cursor_op op) const;
void verbose(const char *where, const char *stage,
const testcase::SET::const_iterator &it) const;
void verbose(const char *where, const char *stage, const MDBX_val &key,
const MDBX_val &data, int err = MDBX_SUCCESS) const;
bool is_same(const Item &a, const Item &b) const;
bool is_same(const SET::const_iterator &it, const MDBX_val &k,
const MDBX_val &v) const;
bool speculum_verify();
int insert(const keygen::buffer &akey, const keygen::buffer &adata,
MDBX_put_flags_t flags);