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Diffstat (limited to 'storage/bdb/test/scr015/TestTruncate.cpp')
-rw-r--r-- | storage/bdb/test/scr015/TestTruncate.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/storage/bdb/test/scr015/TestTruncate.cpp b/storage/bdb/test/scr015/TestTruncate.cpp new file mode 100644 index 00000000000..d5c0dc6de29 --- /dev/null +++ b/storage/bdb/test/scr015/TestTruncate.cpp @@ -0,0 +1,84 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 2000-2002 + * Sleepycat Software. All rights reserved. + * + * $Id: TestTruncate.cpp,v 1.5 2002/01/23 14:26:41 bostic Exp $ + */ + +/* + * Do some regression tests for constructors. + * Run normally (without arguments) it is a simple regression test. + * Run with a numeric argument, it repeats the regression a number + * of times, to try to determine if there are memory leaks. + */ + +#include <db_cxx.h> +#include <iostream.h> + +int main(int argc, char *argv[]) +{ + try { + Db *db = new Db(NULL, 0); + db->open(NULL, "my.db", NULL, DB_BTREE, DB_CREATE, 0644); + + // populate our massive database. + // all our strings include null for convenience. + // Note we have to cast for idiomatic + // usage, since newer gcc requires it. + Dbt *keydbt = new Dbt((char*)"key", 4); + Dbt *datadbt = new Dbt((char*)"data", 5); + db->put(NULL, keydbt, datadbt, 0); + + // Now, retrieve. We could use keydbt over again, + // but that wouldn't be typical in an application. + Dbt *goodkeydbt = new Dbt((char*)"key", 4); + Dbt *badkeydbt = new Dbt((char*)"badkey", 7); + Dbt *resultdbt = new Dbt(); + resultdbt->set_flags(DB_DBT_MALLOC); + + int ret; + + if ((ret = db->get(NULL, goodkeydbt, resultdbt, 0)) != 0) { + cout << "get: " << DbEnv::strerror(ret) << "\n"; + } + else { + char *result = (char *)resultdbt->get_data(); + cout << "got data: " << result << "\n"; + } + + if ((ret = db->get(NULL, badkeydbt, resultdbt, 0)) != 0) { + // We expect this... + cout << "get using bad key: " + << DbEnv::strerror(ret) << "\n"; + } + else { + char *result = (char *)resultdbt->get_data(); + cout << "*** got data using bad key!!: " + << result << "\n"; + } + + // Now, truncate and make sure that it's really gone. + cout << "truncating data...\n"; + u_int32_t nrecords; + db->truncate(NULL, &nrecords, 0); + cout << "truncate returns " << nrecords << "\n"; + if ((ret = db->get(NULL, goodkeydbt, resultdbt, 0)) != 0) { + // We expect this... + cout << "after truncate get: " + << DbEnv::strerror(ret) << "\n"; + } + else { + char *result = (char *)resultdbt->get_data(); + cout << "got data: " << result << "\n"; + } + + db->close(0); + cout << "finished test\n"; + } + catch (DbException &dbe) { + cerr << "Db Exception: " << dbe.what(); + } + return 0; +} |