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libcryfs/test/cpp-utils/value_type/ValueTypeTest.cpp

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#include <cpp-utils/value_type/ValueType.h>
#include <gtest/gtest.h>
#include <utility>
#include <unordered_set>
#include <set>
// TODO Test with MovableOnly underlying type
// TODO Test that move constructing/assigning actually moves the underlying
// TODO Test that noexcept flags are set correctly
using cpputils::value_type::IdValueType;
using cpputils::value_type::OrderedIdValueType;
using cpputils::value_type::QuantityValueType;
using cpputils::value_type::FlagsValueType;
// TODO Test that noexcept flags are set correctly
namespace {
struct MyIdValueType : IdValueType<MyIdValueType, int64_t> {
constexpr explicit MyIdValueType(int64_t val): IdValueType(val) {}
};
struct MyOrderedIdValueType : OrderedIdValueType<MyOrderedIdValueType, int64_t> {
constexpr explicit MyOrderedIdValueType(int64_t val): OrderedIdValueType(val) {}
};
struct MyQuantityValueType : QuantityValueType<MyQuantityValueType, int64_t> {
constexpr explicit MyQuantityValueType(int64_t val): QuantityValueType(val) {}
};
struct MyFlagsValueType : FlagsValueType<MyFlagsValueType, int64_t> {
constexpr explicit MyFlagsValueType(int64_t val): FlagsValueType(val) {}
};
}
DEFINE_HASH_FOR_VALUE_TYPE(MyIdValueType);
DEFINE_HASH_FOR_VALUE_TYPE(MyOrderedIdValueType);
DEFINE_HASH_FOR_VALUE_TYPE(MyQuantityValueType);
DEFINE_HASH_FOR_VALUE_TYPE(MyFlagsValueType);
namespace {
/**
* Tests for IdValueType
*/
template<class Type>
struct IdValueTypeTest_constexpr_test {
static constexpr Type test_constructor = Type(5);
static_assert(Type(5) == test_constructor, "");
static constexpr Type test_copy_constructor = test_constructor;
static_assert(Type(5) == test_copy_constructor, "");
#if !defined(_MSC_VER)
// These aren't evaluated at compile time on MSVC :(
static constexpr Type test_copy_assignment = (Type(4) = test_copy_constructor);
static_assert(test_copy_assignment == Type(5), "");
static constexpr Type test_move_assignment = (Type(4) = Type(3));
static_assert(test_move_assignment == Type(3), "");
#endif
static_assert(Type(5) == Type(5), "");
static_assert(!(Type(5) != Type(5)), "");
static constexpr bool success = true;
};
static_assert(IdValueTypeTest_constexpr_test<MyIdValueType>::success, "");
static_assert(IdValueTypeTest_constexpr_test<MyOrderedIdValueType>::success, "");
static_assert(IdValueTypeTest_constexpr_test<MyQuantityValueType>::success, "");
static_assert(IdValueTypeTest_constexpr_test<MyFlagsValueType>::success, "");
namespace IdValueTypeTest_constexpr_test_extras {
// For some reason, MSVC crashes when these are part of IdValueTypeTest_constexpr_test.
// so let's define them separately.
static_assert(!(MyIdValueType(5) == MyIdValueType(6)), "");
static_assert(MyIdValueType(5) != MyIdValueType(6), "");
static_assert(!(MyOrderedIdValueType(5) == MyOrderedIdValueType(6)), "");
static_assert(MyOrderedIdValueType(5) != MyOrderedIdValueType(6), "");
static_assert(!(MyQuantityValueType(5) == MyQuantityValueType(6)), "");
static_assert(MyQuantityValueType(5) != MyQuantityValueType(6), "");
static_assert(!(MyFlagsValueType(5) == MyFlagsValueType(6)), "");
static_assert(MyFlagsValueType(5) != MyFlagsValueType(6), "");
}
template<class Type> class IdValueTypeTest : public testing::Test {
};
using IdValueTypeTest_types = testing::Types<MyIdValueType, MyOrderedIdValueType, MyQuantityValueType, MyFlagsValueType>;
TYPED_TEST_SUITE(IdValueTypeTest, IdValueTypeTest_types);
TYPED_TEST(IdValueTypeTest, Equality) {
TypeParam obj1(4);
TypeParam obj2(4);
TypeParam obj3(5);
EXPECT_TRUE(obj1 == obj2);
EXPECT_TRUE(obj2 == obj1);;
EXPECT_FALSE(obj1 == obj3);
EXPECT_FALSE(obj3 == obj1);
EXPECT_FALSE(obj1 != obj2);
EXPECT_FALSE(obj2 != obj1);
EXPECT_TRUE(obj1 != obj3);
EXPECT_TRUE(obj3 != obj1);
}
TYPED_TEST(IdValueTypeTest, Constructor) {
TypeParam obj(4);
EXPECT_TRUE(obj == TypeParam(4));
}
TYPED_TEST(IdValueTypeTest, CopyConstructor) {
TypeParam obj(2);
TypeParam obj2(obj);
EXPECT_TRUE(obj2 == TypeParam(2));
EXPECT_TRUE(obj == obj2);
}
TYPED_TEST(IdValueTypeTest, MoveConstructor) {
TypeParam obj(2);
TypeParam obj2(std::move(obj));
EXPECT_TRUE(obj2 == TypeParam(2));
}
TYPED_TEST(IdValueTypeTest, CopyAssignment) {
TypeParam obj(3);
TypeParam obj2(2);
obj2 = obj;
EXPECT_TRUE(obj2 == TypeParam(3));
EXPECT_TRUE(obj == obj2);
}
TYPED_TEST(IdValueTypeTest, CopyAssignment_Return) {
TypeParam obj(3);
TypeParam obj2(2);
EXPECT_TRUE((obj2 = obj) == TypeParam(3));
}
TYPED_TEST(IdValueTypeTest, MoveAssignment) {
TypeParam obj(3);
TypeParam obj2(2);
obj2 = std::move(obj);
EXPECT_TRUE(obj2 == TypeParam(3));
}
TYPED_TEST(IdValueTypeTest, MoveAssignment_Return) {
TypeParam obj(3);
TypeParam obj2(2);
EXPECT_TRUE((obj2 = std::move(obj)) == TypeParam(3));
}
TYPED_TEST(IdValueTypeTest, Hash) {
TypeParam obj(3);
TypeParam obj2(3);
EXPECT_EQ(std::hash<TypeParam>()(obj), std::hash<TypeParam>()(obj2));
}
TYPED_TEST(IdValueTypeTest, UnorderedSet) {
std::unordered_set<TypeParam> set;
set.insert(TypeParam(3));
EXPECT_EQ(1u, set.count(TypeParam(3)));
}
/**
* Tests for OrderedIdValueType
*/
template<class Type>
struct OrderedIdValueTypeTest_constexpr_test {
static_assert(!(Type(4) < Type(3)), "");
static_assert(!(Type(3) < Type(3)), "");
static_assert(!(Type(3) > Type(4)), "");
static_assert(!(Type(3) > Type(3)), "");
static_assert(Type(3) <= Type(4), "");
static_assert(Type(3) <= Type(3), "");
static_assert(Type(4) >= Type(3), "");
static_assert(Type(3) >= Type(3), "");
static constexpr bool success = true;
};
static_assert(OrderedIdValueTypeTest_constexpr_test<MyOrderedIdValueType>::success, "");
static_assert(OrderedIdValueTypeTest_constexpr_test<MyQuantityValueType>::success, "");
namespace OrderedIdValueTypeTest_constexpr_test_extras {
// For some reason, MSVC crashes when these are part of IdValueTypeTest_constexpr_test.
// so let's define them separately.
static_assert(MyOrderedIdValueType(3) < MyOrderedIdValueType(4), "");
static_assert(MyOrderedIdValueType(4) > MyOrderedIdValueType(3), "");
static_assert(!(MyOrderedIdValueType(4) <= MyOrderedIdValueType(3)), "");
static_assert(!(MyOrderedIdValueType(3) >= MyOrderedIdValueType(4)), "");
static_assert(MyQuantityValueType(3) < MyQuantityValueType(4), "");
static_assert(MyQuantityValueType(4) > MyQuantityValueType(3), "");
static_assert(!(MyQuantityValueType(4) <= MyQuantityValueType(3)), "");
static_assert(!(MyQuantityValueType(3) >= MyQuantityValueType(4)), "");
}
template<class Type> class OrderedIdValueTypeTest : public testing::Test {};
using OrderedIdValueTypeTest_types = testing::Types<MyOrderedIdValueType, MyQuantityValueType>;
TYPED_TEST_SUITE(OrderedIdValueTypeTest, OrderedIdValueTypeTest_types);
TYPED_TEST(OrderedIdValueTypeTest, LessThan) {
TypeParam a(3);
TypeParam b(3);
TypeParam c(4);
EXPECT_FALSE(a < a);
EXPECT_FALSE(a < b);
EXPECT_TRUE(a < c);
EXPECT_FALSE(b < a);
EXPECT_FALSE(b < b);
EXPECT_TRUE(b < c);
EXPECT_FALSE(c < a);
EXPECT_FALSE(c < b);
EXPECT_FALSE(c < c);
}
TYPED_TEST(OrderedIdValueTypeTest, GreaterThan) {
TypeParam a(3);
TypeParam b(3);
TypeParam c(4);
EXPECT_FALSE(a > a);
EXPECT_FALSE(a > b);
EXPECT_FALSE(a > c);
EXPECT_FALSE(b > a);
EXPECT_FALSE(b > b);
EXPECT_FALSE(b > c);
EXPECT_TRUE(c > a);
EXPECT_TRUE(c > b);
EXPECT_FALSE(c > c);
}
TYPED_TEST(OrderedIdValueTypeTest, LessOrEqualThan) {
TypeParam a(3);
TypeParam b(3);
TypeParam c(4);
EXPECT_TRUE(a <= a);
EXPECT_TRUE(a <= b);
EXPECT_TRUE(a <= c);
EXPECT_TRUE(b <= a);
EXPECT_TRUE(b <= b);
EXPECT_TRUE(b <= c);
EXPECT_FALSE(c <= a);
EXPECT_FALSE(c <= b);
EXPECT_TRUE(c <= c);
}
TYPED_TEST(OrderedIdValueTypeTest, GreaterOrEqualThan) {
TypeParam a(3);
TypeParam b(3);
TypeParam c(4);
EXPECT_TRUE(a >= a);
EXPECT_TRUE(a >= b);
EXPECT_FALSE(a >= c);
EXPECT_TRUE(b >= a);
EXPECT_TRUE(b >= b);
EXPECT_FALSE(b >= c);
EXPECT_TRUE(c >= a);
EXPECT_TRUE(c >= b);
EXPECT_TRUE(c >= c);
}
TYPED_TEST(OrderedIdValueTypeTest, Set) {
std::set<TypeParam> set;
set.insert(TypeParam(3));
EXPECT_EQ(1u, set.count(TypeParam(3)));
}
/**
* Tests for QuantityValueType
*/
namespace QuantityValueTypeTest_constexpr_test {
static_assert(++MyQuantityValueType(3) == MyQuantityValueType(4), "");
static_assert(MyQuantityValueType(3)++ == MyQuantityValueType(3), "");
static_assert(--MyQuantityValueType(3) == MyQuantityValueType(2), "");
static_assert(MyQuantityValueType(3)-- == MyQuantityValueType(3), "");
static_assert((MyQuantityValueType(3) += MyQuantityValueType(2)) == MyQuantityValueType(5), "");
static_assert((MyQuantityValueType(3) -= MyQuantityValueType(2)) == MyQuantityValueType(1), "");
static_assert((MyQuantityValueType(3) *= 2) == MyQuantityValueType(6), "");
static_assert((MyQuantityValueType(6) /= 2) == MyQuantityValueType(3), "");
static_assert((MyQuantityValueType(7) /= 3) == MyQuantityValueType(2), "");
static_assert((MyQuantityValueType(7) %= 3) == MyQuantityValueType(1), "");
static_assert(MyQuantityValueType(3) + MyQuantityValueType(2) == MyQuantityValueType(5), "");
static_assert(MyQuantityValueType(3) - MyQuantityValueType(2) == MyQuantityValueType(1), "");
static_assert(MyQuantityValueType(3) * 2 == MyQuantityValueType(6), "");
static_assert(2 * MyQuantityValueType(3) == MyQuantityValueType(6), "");
static_assert(MyQuantityValueType(6) / 2 == MyQuantityValueType(3), "");
static_assert(MyQuantityValueType(6) / MyQuantityValueType(2) == 3, "");
static_assert(MyQuantityValueType(7) / 3 == MyQuantityValueType(2), "");
static_assert(MyQuantityValueType(7) / MyQuantityValueType(3) == 2, "");
static_assert(MyQuantityValueType(7) % 3 == MyQuantityValueType(1), "");
static_assert(MyQuantityValueType(7) % MyQuantityValueType(3) == 1, "");
};
template<class Type> class QuantityValueTypeTest : public testing::Test {};
using QuantityValueTypeTest_types = testing::Types<MyQuantityValueType>;
TYPED_TEST_SUITE(QuantityValueTypeTest, QuantityValueTypeTest_types);
TYPED_TEST(QuantityValueTypeTest, PreIncrement) {
TypeParam a(3);
EXPECT_EQ(TypeParam(4), ++a);
EXPECT_EQ(TypeParam(4), a);
}
TYPED_TEST(QuantityValueTypeTest, PostIncrement) {
TypeParam a(3);
EXPECT_EQ(TypeParam(3), a++);
EXPECT_EQ(TypeParam(4), a);
}
TYPED_TEST(QuantityValueTypeTest, PreDecrement) {
TypeParam a(3);
EXPECT_EQ(TypeParam(2), --a);
EXPECT_EQ(TypeParam(2), a);
}
TYPED_TEST(QuantityValueTypeTest, PostDecrement) {
TypeParam a(3);
EXPECT_EQ(TypeParam(3), a--);
EXPECT_EQ(TypeParam(2), a);
}
TYPED_TEST(QuantityValueTypeTest, AddAssignment) {
TypeParam a(3);
EXPECT_EQ(TypeParam(5), a += TypeParam(2));
EXPECT_EQ(TypeParam(5), a);
}
TYPED_TEST(QuantityValueTypeTest, SubAssignment) {
TypeParam a(3);
EXPECT_EQ(TypeParam(1), a -= TypeParam(2));
EXPECT_EQ(TypeParam(1), a);
}
TYPED_TEST(QuantityValueTypeTest, MulAssignment) {
TypeParam a(3);
EXPECT_EQ(TypeParam(6), a *= 2);
EXPECT_EQ(TypeParam(6), a);
}
TYPED_TEST(QuantityValueTypeTest, DivScalarAssignment) {
TypeParam a(6);
EXPECT_EQ(TypeParam(3), a /= 2);
EXPECT_EQ(TypeParam(3), a);
}
TYPED_TEST(QuantityValueTypeTest, DivScalarWithRemainderAssignment) {
TypeParam a(7);
EXPECT_EQ(TypeParam(2), a /= 3);
EXPECT_EQ(TypeParam(2), a);
}
TYPED_TEST(QuantityValueTypeTest, ModScalarAssignment) {
TypeParam a(7);
EXPECT_EQ(TypeParam(1), a %= 3);
EXPECT_EQ(TypeParam(1), a);
}
TYPED_TEST(QuantityValueTypeTest, Add) {
EXPECT_EQ(TypeParam(5), TypeParam(3) + TypeParam(2));
}
TYPED_TEST(QuantityValueTypeTest, Sub) {
EXPECT_EQ(TypeParam(1), TypeParam(3) - TypeParam(2));
}
TYPED_TEST(QuantityValueTypeTest, Mul1) {
EXPECT_EQ(TypeParam(6), TypeParam(3) * 2);
}
TYPED_TEST(QuantityValueTypeTest, Mul2) {
EXPECT_EQ(TypeParam(6), 2 * TypeParam(3));
}
TYPED_TEST(QuantityValueTypeTest, DivScalar) {
EXPECT_EQ(TypeParam(3), TypeParam(6) / 2);
}
TYPED_TEST(QuantityValueTypeTest, DivValue) {
EXPECT_EQ(3, TypeParam(6) / TypeParam(2));
}
TYPED_TEST(QuantityValueTypeTest, DivScalarWithRemainder) {
EXPECT_EQ(TypeParam(2), TypeParam(7) / 3);
}
TYPED_TEST(QuantityValueTypeTest, DivValueWithRemainder) {
EXPECT_EQ(2, TypeParam(7) / TypeParam(3));
}
TYPED_TEST(QuantityValueTypeTest, ModScalar) {
EXPECT_EQ(TypeParam(1), TypeParam(7) % 3);
}
TYPED_TEST(QuantityValueTypeTest, ModValue) {
EXPECT_EQ(1, TypeParam(7) % TypeParam(3));
}
/**
* Tests for FlagsValueType
*/
namespace FlagsValueTypeTest_constexpr_test {
static_assert(~MyFlagsValueType(3) != MyFlagsValueType(3), "");
static_assert(~~MyFlagsValueType(3) == MyFlagsValueType(3), "");
static_assert(~MyFlagsValueType(3) == MyFlagsValueType(~3), "");
static_assert((MyFlagsValueType(3) & MyFlagsValueType(5)) == MyFlagsValueType(3 & 5), "");
static_assert((MyFlagsValueType(3) | MyFlagsValueType(5)) == MyFlagsValueType(3 | 5), "");
static_assert((MyFlagsValueType(3) ^ MyFlagsValueType(5)) == MyFlagsValueType(3 ^ 5), "");
static_assert((MyFlagsValueType(3) &= MyFlagsValueType(5)) == MyFlagsValueType(3 & 5), "");
static_assert((MyFlagsValueType(3) |= MyFlagsValueType(5)) == MyFlagsValueType(3 | 5), "");
static_assert((MyFlagsValueType(3) ^= MyFlagsValueType(5)) == MyFlagsValueType(3 ^ 5), "");
}
template<class Type> class FlagsValueTypeTest : public testing::Test {};
using FlagsValueType_types = testing::Types<MyFlagsValueType>;
TYPED_TEST_SUITE(FlagsValueTypeTest, FlagsValueType_types);
TYPED_TEST(FlagsValueTypeTest, Invert) {
TypeParam a(3);
TypeParam b(~3);
EXPECT_EQ(b, ~a);
a = ~a;
EXPECT_EQ(b, a);
}
TYPED_TEST(FlagsValueTypeTest, And) {
TypeParam a(3);
TypeParam b(5);
TypeParam c(3 & 5);
EXPECT_EQ(c, a & b);
EXPECT_EQ(c, b &= a);
EXPECT_EQ(c, b);
}
TYPED_TEST(FlagsValueTypeTest, Or) {
TypeParam a(3);
TypeParam b(5);
TypeParam c(3 | 5);
EXPECT_EQ(c, a | b);
EXPECT_EQ(c, b |= a);
EXPECT_EQ(c, b);
}
TYPED_TEST(FlagsValueTypeTest, Xor) {
TypeParam a(3);
TypeParam b(5);
TypeParam c(3 ^ 5);
EXPECT_EQ(c, a ^ b);
EXPECT_EQ(c, b ^= a);
EXPECT_EQ(c, b);
}
}
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