diff options
Diffstat (limited to 'src/mongo/util/immutable/immutable_vector_test.cpp')
| -rw-r--r-- | src/mongo/util/immutable/immutable_vector_test.cpp | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/mongo/util/immutable/immutable_vector_test.cpp b/src/mongo/util/immutable/immutable_vector_test.cpp deleted file mode 100644 index 60329423403..00000000000 --- a/src/mongo/util/immutable/immutable_vector_test.cpp +++ /dev/null @@ -1,126 +0,0 @@ -/** - * Copyright (C) 2023-present MongoDB, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the Server Side Public License, version 1, - * as published by MongoDB, Inc. - * - * 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 - * Server Side Public License for more details. - * - * You should have received a copy of the Server Side Public License - * along with this program. If not, see - * <http://www.mongodb.com/licensing/server-side-public-license>. - * - * 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 Server Side 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/unittest/unittest.h" - -#include "mongo/util/immutable/vector.h" - -#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kTest - -namespace mongo { -namespace { - -class UserDefinedType { -public: - UserDefinedType() = default; - explicit UserDefinedType(int val) : a(val) {} - - bool operator==(const UserDefinedType& rhs) const { - return a == rhs.a; - } - -private: - int a = 0; -}; - -TEST(ImmutableUnorderedMap, Basic) { - // Insert some values and verify that the data structure is behaving as expected - immutable::vector<int> v0; - auto v1 = v0.push_back(1); - // Record the pointer to the value at index '0', verify that this doesn't change after - // performing additional modifications - auto* v1Val = &(*v1.begin()); - - // Create distinct branches of the history from v1. v0 and v1 should be unaffected - auto v2 = v1.update(0, [](int v) { return v += 1; }); - auto v3 = v1.push_back(3); - auto v4 = v1.set(0, 4); - - // Verify that values are as expected - ASSERT_EQ(v0.size(), 0); - - ASSERT_EQ(v1.size(), 1); - ASSERT_EQ(v1.at(0), 1); - - ASSERT_EQ(v2.size(), 1); - ASSERT_EQ(v2.at(0), 2); - - ASSERT_EQ(v3.size(), 2); - ASSERT_EQ(v3.at(0), 1); - ASSERT_EQ(v3.at(1), 3); - - ASSERT_EQ(v4.size(), 1); - ASSERT_EQ(v4.at(0), 4); - - // Verify that pointer to v1's value did not change - ASSERT_EQ(&(*v1.begin()), v1Val); -} - -TEST(ImmutableUnorderedMap, UserDefinedType) { - immutable::vector<UserDefinedType> v0; - auto v1 = v0.push_back(UserDefinedType(1)); - ASSERT(v1.at(0) == UserDefinedType(1)); -} - -TEST(ImmutableUnorderedMap, BatchWrite) { - immutable::vector<int> v0; - - auto transient = v0.transient(); - transient.push_back(1); - transient.push_back(2); - immutable::vector<int> v1 = transient.persistent(); - - ASSERT_EQ(v0.size(), 0); - ASSERT_EQ(v1.size(), 2); - ASSERT_EQ(v1.at(0), 1); - ASSERT_EQ(v1.at(1), 2); -} - -TEST(ImmutableUnorderedMap, ExclusiveOwnership) { - immutable::vector<int> v0; - - auto v1 = v0.push_back(1); - auto v2 = v1.push_back(2); - auto v3 = v2.push_back(3); - - ASSERT_EQ(v1.size(), 1); - ASSERT_EQ(v2.size(), 2); - ASSERT_EQ(v3.size(), 3); - - // Claiming exclusive ownership over v3 means v3 will no longer be valid after mutation, but - // older versions should be unperturbed. - auto v4 = std::move(v3).take(0); - ASSERT_EQ(v1.size(), 1); - ASSERT_EQ(v2.size(), 2); - ASSERT_EQ(v4.size(), 0); -} - -} // namespace -} // namespace mongo |
