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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "UniqueOrNonOwningPtr.h"
using mozilla::MakeUniqueOfUniqueOrNonOwning;
using mozilla::UniqueOrNonOwningPtr;
TEST(UniqueOrNonOwningPtrTest, Empty)
{
#ifdef HAVE_64BIT_BUILD
using T = uint64_t;
#else
using T = uint32_t;
#endif
using Ptr = UniqueOrNonOwningPtr<T>;
static_assert(sizeof(Ptr) == sizeof(T), "Unexpected size bloat");
Ptr ptr;
EXPECT_FALSE(ptr);
EXPECT_EQ(ptr.get(), nullptr);
}
struct Foo {
uint64_t mA;
uint32_t mB;
Foo(uint64_t aA, uint32_t aB) : mA{aA}, mB{aB} {}
Foo(const Foo& aOther) = default;
bool operator==(const Foo& aOther) const {
return mA == aOther.mA && mB == aOther.mB;
}
};
TEST(UniqueOrNonOwningPtrTest, NonOwningStruct)
{
using T = Foo;
using Ptr = UniqueOrNonOwningPtr<T>;
T val{12, 918};
Ptr ptr = Ptr::NonOwning(&val);
EXPECT_TRUE(ptr);
EXPECT_EQ(ptr.get(), &val);
EXPECT_EQ(*ptr, val);
EXPECT_EQ(ptr->mA, val.mA);
EXPECT_EQ(ptr->mB, val.mB);
Ptr ptr2 = std::move(ptr);
EXPECT_FALSE(ptr);
EXPECT_EQ(ptr.get(), nullptr);
EXPECT_TRUE(ptr2);
EXPECT_EQ(ptr2.get(), &val);
EXPECT_EQ(*ptr2, val);
EXPECT_EQ(ptr2->mA, val.mA);
EXPECT_EQ(ptr2->mB, val.mB);
}
TEST(UniqueOrNonOwningPtrTest, OwnedStruct)
{
using T = Foo;
using Ptr = UniqueOrNonOwningPtr<T>;
T copy{12, 918};
Ptr ptr = MakeUniqueOfUniqueOrNonOwning<T>(copy);
EXPECT_TRUE(ptr);
EXPECT_NE(ptr.get(), nullptr);
EXPECT_NE(ptr.get(), ©);
EXPECT_EQ(*ptr, copy);
EXPECT_EQ(ptr->mA, copy.mA);
EXPECT_EQ(ptr->mB, copy.mB);
Ptr ptr2 = std::move(ptr);
EXPECT_FALSE(ptr);
EXPECT_EQ(ptr.get(), nullptr);
EXPECT_TRUE(ptr2);
EXPECT_NE(ptr2.get(), nullptr);
EXPECT_NE(ptr2.get(), ©);
EXPECT_EQ(*ptr2, copy);
EXPECT_EQ(ptr2->mA, copy.mA);
EXPECT_EQ(ptr2->mB, copy.mB);
}
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