1#include <gtest/gtest.h>
2
3#include <torch/csrc/utils/memory.h>
4
5#include <c10/util/Optional.h>
6
7struct TestValue {
8 explicit TestValue(const int& x) : lvalue_(x) {}
9 explicit TestValue(int&& x) : rvalue_(x) {}
10
11 c10::optional<int> lvalue_;
12 c10::optional<int> rvalue_;
13};
14
15TEST(MakeUniqueTest, ForwardRvaluesCorrectly) {
16 auto ptr = torch::make_unique<TestValue>(123);
17 ASSERT_FALSE(ptr->lvalue_.has_value());
18 ASSERT_TRUE(ptr->rvalue_.has_value());
19 ASSERT_EQ(*ptr->rvalue_, 123);
20}
21
22TEST(MakeUniqueTest, ForwardLvaluesCorrectly) {
23 int x = 5;
24 auto ptr = torch::make_unique<TestValue>(x);
25 ASSERT_TRUE(ptr->lvalue_.has_value());
26 ASSERT_EQ(*ptr->lvalue_, 5);
27 ASSERT_FALSE(ptr->rvalue_.has_value());
28}
29
30TEST(MakeUniqueTest, CanConstructUniquePtrOfArray) {
31 // NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)
32 auto ptr = torch::make_unique<int[]>(3);
33 // Value initialization is required by the standard.
34 ASSERT_EQ(ptr[0], 0);
35 ASSERT_EQ(ptr[1], 0);
36 ASSERT_EQ(ptr[2], 0);
37}
38