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author | Adam Midvidy <amidvidy@gmail.com> | 2015-05-18 11:28:33 -0400 |
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committer | Adam Midvidy <amidvidy@gmail.com> | 2015-05-18 19:22:13 -0400 |
commit | 43dedc33efa736e91d3389d9a972c93fef78e06a (patch) | |
tree | b21b952b3d17fc4ed8307be83059f91f75783f2a /src/mongo/base/data_type_validated_test.cpp | |
parent | 73f9656f8750bfffc41333e92ea4f0bd805e2f2c (diff) | |
download | mongo-43dedc33efa736e91d3389d9a972c93fef78e06a.tar.gz |
SERVER-18167 add method for validating input/output to a DataRange
Diffstat (limited to 'src/mongo/base/data_type_validated_test.cpp')
-rw-r--r-- | src/mongo/base/data_type_validated_test.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/mongo/base/data_type_validated_test.cpp b/src/mongo/base/data_type_validated_test.cpp new file mode 100644 index 00000000000..4eb2c5c9d16 --- /dev/null +++ b/src/mongo/base/data_type_validated_test.cpp @@ -0,0 +1,132 @@ +/** + * Copyright (C) 2015 MongoDB Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the GNU Affero General Public License in all respects + * for all of the code used other than as permitted herein. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you do not + * wish to do so, delete this exception statement from your version. If you + * delete this exception statement from all source files in the program, + * then also delete it in the license file. + */ + +#include "mongo/base/data_type_validated.h" + +#include <algorithm> +#include <iterator> + +#include "mongo/base/data_range.h" +#include "mongo/base/data_range_cursor.h" +#include "mongo/base/data_type_endian.h" +#include "mongo/base/status.h" +#include "mongo/db/jsobj.h" +#include "mongo/unittest/unittest.h" + +namespace mongo { + template<> struct Validator<char> { + static Status validateLoad(const char* ptr, size_t length) { + if ((length >= sizeof(char)) && (ptr[0] == 0xFU)) { + return Status::OK(); + } + return Status(ErrorCodes::BadValue, "bad"); + } + + static Status validateStore(const char& toStore) { + if (toStore == 0xFU) { + return Status::OK(); + } + return Status(ErrorCodes::BadValue, "bad"); + } + }; +} // namespace mongo + +namespace { + + using namespace mongo; + using std::end; + using std::begin; + + TEST(DataTypeValidated, SuccessfulValidation) { + + char buf[1]; + + { + DataRangeCursor drc(begin(buf), end(buf)); + ASSERT_OK(drc.writeAndAdvance(Validated<char>(0xFU))); + } + + { + Validated<char> valid; + ConstDataRangeCursor cdrc(begin(buf), end(buf)); + ASSERT_OK(cdrc.readAndAdvance(&valid)); + ASSERT_EQUALS(valid.val, char{0xFU}); + } + } + + TEST(DataTypeValidated, FailedValidation) { + + char buf[1]; + + { + DataRangeCursor drc(begin(buf), end(buf)); + ASSERT_NOT_OK(drc.writeAndAdvance(Validated<char>(0x01))); + } + + buf[0] = char{0x01}; + + { + Validated<char> valid; + ConstDataRangeCursor cdrc(begin(buf), end(buf)); + ASSERT_NOT_OK(cdrc.readAndAdvance(&valid)); + } + } + + TEST(DataTypeValidated, BSONValidation) { + + using std::begin; + + BSONObj valid = BSON("foo" << "bar"); + char buf[1024] = { 0 }; + std::copy(valid.objdata(), valid.objdata() + valid.objsize(), begin(buf)); + + { + Validated<BSONObj> v; + ConstDataRangeCursor cdrc(begin(buf), end(buf)); + ASSERT_OK(cdrc.readAndAdvance(&v)); + } + + { + // mess up the data + DataRangeCursor drc(begin(buf), end(buf)); + auto maxIntLE = LittleEndian<int>(std::numeric_limits<int>::max()); + + drc.writeAndAdvance(maxIntLE); + drc.writeAndAdvance(maxIntLE); + drc.writeAndAdvance(maxIntLE); + drc.writeAndAdvance(maxIntLE); + } + + { + Validated<BSONObj> v; + ConstDataRangeCursor cdrc(begin(buf), end(buf)); + ASSERT_NOT_OK(cdrc.readAndAdvance(&v)); + } + } + +} // namespace |