pytorch/test/cpp/api/memory.cpp
Peter Goldsborough 8e1e3ba7b8 Hide c10::optional and nullopt in torch namespace (#12927)
Summary:
Does

```cpp
namespace torch {
using c10::optional;
using c10::nullopt;
}
```

So that users can be oblivious of our changes with ATen/c10 happening in the background, and also don't have to deal with multiple namespaces (which is very confusing).

ezyang
Pull Request resolved: https://github.com/pytorch/pytorch/pull/12927

Differential Revision: D10510630

Pulled By: goldsborough

fbshipit-source-id: e456264f2fbca3eda277712de11cdd8acc77fbd4
2018-10-26 00:08:04 -07:00

37 lines
943 B
C++

#include <gtest/gtest.h>
#include <torch/csrc/utils/memory.h>
#include <c10/util/Optional.h>
struct TestValue {
explicit TestValue(const int& x) : lvalue_(x) {}
explicit TestValue(int&& x) : rvalue_(x) {}
c10::optional<int> lvalue_;
c10::optional<int> rvalue_;
};
TEST(MakeUniqueTest, ForwardRvaluesCorrectly) {
auto ptr = torch::make_unique<TestValue>(123);
ASSERT_FALSE(ptr->lvalue_.has_value());
ASSERT_TRUE(ptr->rvalue_.has_value());
ASSERT_EQ(*ptr->rvalue_, 123);
}
TEST(MakeUniqueTest, ForwardLvaluesCorrectly) {
int x = 5;
auto ptr = torch::make_unique<TestValue>(x);
ASSERT_TRUE(ptr->lvalue_.has_value());
ASSERT_EQ(*ptr->lvalue_, 5);
ASSERT_FALSE(ptr->rvalue_.has_value());
}
TEST(MakeUniqueTest, CanConstructUniquePtrOfArray) {
auto ptr = torch::make_unique<int[]>(3);
// Value initialization is required by the standard.
ASSERT_EQ(ptr[0], 0);
ASSERT_EQ(ptr[1], 0);
ASSERT_EQ(ptr[2], 0);
}