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proxy_creation_tests.cpp
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#include <gtest/gtest.h>
#include "proxy.h"
#include "utils.h"
namespace {
struct TraitsReflection {
public:
template <class P>
constexpr explicit TraitsReflection(std::in_place_type_t<pro::details::sbo_ptr<P>>)
: sbo_enabled_(true) {}
template <class P>
constexpr explicit TraitsReflection(std::in_place_type_t<pro::details::deep_ptr<P>>)
: sbo_enabled_(false) {}
bool sbo_enabled_;
};
struct TestSmallFacade : pro::facade<utils::ToString> {
using reflection_type = TraitsReflection;
static constexpr std::size_t maximum_size = sizeof(void*);
static constexpr auto minimum_copyability = pro::constraint_level::nontrivial;
};
struct TestLargeFacade : pro::facade<utils::ToString> {
using reflection_type = TraitsReflection;
static constexpr auto minimum_copyability = pro::constraint_level::nontrivial;
};
} // namespace
TEST(ProxyCreationTests, TestMakeProxy_WithSBO_FromValue) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
utils::LifetimeTracker::Session session{ &tracker };
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
{
auto p = pro::make_proxy<TestLargeFacade>(session);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 2");
ASSERT_TRUE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(2, utils::LifetimeOperationType::kCopyConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(2, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithSBO_InPlace) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p = pro::make_proxy<TestLargeFacade, utils::LifetimeTracker::Session>(&tracker);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 1");
ASSERT_TRUE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithSBO_InPlaceInitializerList) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p = pro::make_proxy<TestLargeFacade, utils::LifetimeTracker::Session>({ 1, 2, 3 }, &tracker);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 1");
ASSERT_TRUE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kInitializerListConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithSBO_Lifetime_Copy) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p1 = pro::make_proxy<TestLargeFacade, utils::LifetimeTracker::Session>(&tracker);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
auto p2 = p1;
ASSERT_TRUE(p1.has_value());
ASSERT_EQ(p1.invoke(), "Session 1");
ASSERT_TRUE(p1.reflect().sbo_enabled_);
ASSERT_TRUE(p2.has_value());
ASSERT_EQ(p2.invoke(), "Session 2");
ASSERT_TRUE(p2.reflect().sbo_enabled_);
expected_ops.emplace_back(2, utils::LifetimeOperationType::kCopyConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(2, utils::LifetimeOperationType::kDestruction);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithSBO_Lifetime_Move) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p1 = pro::make_proxy<TestLargeFacade, utils::LifetimeTracker::Session>(&tracker);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
auto p2 = std::move(p1);
ASSERT_FALSE(p1.has_value());
ASSERT_TRUE(p2.has_value());
ASSERT_EQ(p2.invoke(), "Session 2");
ASSERT_TRUE(p2.reflect().sbo_enabled_);
expected_ops.emplace_back(2, utils::LifetimeOperationType::kMoveConstruction);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(2, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithoutSBO_FromValue) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
utils::LifetimeTracker::Session session{ &tracker };
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
{
auto p = pro::make_proxy<TestSmallFacade>(session);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 2");
ASSERT_FALSE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(2, utils::LifetimeOperationType::kCopyConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(2, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithoutSBO_InPlace) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p = pro::make_proxy<TestSmallFacade, utils::LifetimeTracker::Session>(&tracker);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 1");
ASSERT_FALSE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithoutSBO_InPlaceInitializerList) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p = pro::make_proxy<TestSmallFacade, utils::LifetimeTracker::Session>({ 1, 2, 3 }, &tracker);
ASSERT_TRUE(p.has_value());
ASSERT_EQ(p.invoke(), "Session 1");
ASSERT_FALSE(p.reflect().sbo_enabled_);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kInitializerListConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithoutSBO_Lifetime_Copy) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p1 = pro::make_proxy<TestSmallFacade, utils::LifetimeTracker::Session>(&tracker);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
auto p2 = p1;
ASSERT_TRUE(p1.has_value());
ASSERT_EQ(p1.invoke(), "Session 1");
ASSERT_FALSE(p1.reflect().sbo_enabled_);
ASSERT_TRUE(p2.has_value());
ASSERT_EQ(p2.invoke(), "Session 2");
ASSERT_FALSE(p2.reflect().sbo_enabled_);
expected_ops.emplace_back(2, utils::LifetimeOperationType::kCopyConstruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(2, utils::LifetimeOperationType::kDestruction);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
TEST(ProxyCreationTests, TestMakeProxy_WithoutSBO_Lifetime_Move) {
utils::LifetimeTracker tracker;
std::vector<utils::LifetimeOperation> expected_ops;
{
auto p1 = pro::make_proxy<TestSmallFacade, utils::LifetimeTracker::Session>(&tracker);
expected_ops.emplace_back(1, utils::LifetimeOperationType::kValueConstruction);
auto p2 = std::move(p1);
ASSERT_FALSE(p1.has_value());
ASSERT_TRUE(p2.has_value());
ASSERT_EQ(p2.invoke(), "Session 1");
ASSERT_FALSE(p2.reflect().sbo_enabled_);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}
expected_ops.emplace_back(1, utils::LifetimeOperationType::kDestruction);
ASSERT_TRUE(tracker.GetOperations() == expected_ops);
}