| //===- unittests/StaticAnalyzer/RangeSetTest.cpp ----------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Basic/Builtins.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/SourceManager.h" |
| #include "clang/StaticAnalyzer/Core/PathSensitive/RangedConstraintManager.h" |
| #include "clang/Tooling/Tooling.h" |
| #include "llvm/ADT/APSInt.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "gtest/gtest.h" |
| |
| using namespace clang; |
| using namespace ento; |
| |
| namespace clang { |
| namespace ento { |
| |
| template <class RangeOrSet> static std::string toString(const RangeOrSet &Obj) { |
| std::string ObjRepresentation; |
| llvm::raw_string_ostream SS(ObjRepresentation); |
| Obj.dump(SS); |
| return SS.str(); |
| } |
| LLVM_ATTRIBUTE_UNUSED static std::string toString(const llvm::APSInt &Point) { |
| return toString(Point, 10); |
| } |
| // We need it here for better fail diagnostics from gtest. |
| LLVM_ATTRIBUTE_UNUSED static std::ostream &operator<<(std::ostream &OS, |
| const RangeSet &Set) { |
| return OS << toString(Set); |
| } |
| // We need it here for better fail diagnostics from gtest. |
| LLVM_ATTRIBUTE_UNUSED static std::ostream &operator<<(std::ostream &OS, |
| const Range &R) { |
| return OS << toString(R); |
| } |
| LLVM_ATTRIBUTE_UNUSED static std::ostream &operator<<(std::ostream &OS, |
| APSIntType Ty) { |
| return OS << (Ty.isUnsigned() ? "u" : "s") << Ty.getBitWidth(); |
| } |
| |
| } // namespace ento |
| } // namespace clang |
| |
| namespace { |
| |
| template <class T> constexpr bool is_signed_v = std::is_signed<T>::value; |
| |
| template <typename T> struct TestValues { |
| static constexpr T MIN = std::numeric_limits<T>::min(); |
| static constexpr T MAX = std::numeric_limits<T>::max(); |
| // MID is a value in the middle of the range |
| // which unary minus does not affect on, |
| // e.g. int8/int32(0), uint8(128), uint32(2147483648). |
| static constexpr T MID = |
| is_signed_v<T> ? 0 : ~(static_cast<T>(-1) / static_cast<T>(2)); |
| static constexpr T A = MID - (MAX - MID) / 3 * 2; |
| static constexpr T B = MID - (MAX - MID) / 3; |
| static constexpr T C = -B; |
| static constexpr T D = -A; |
| |
| static_assert(MIN < A && A < B && B < MID && MID < C && C < D && D < MAX, |
| "Values shall be in an ascending order"); |
| // Clear bits in low bytes by the given amount. |
| template <T Value, size_t Bytes> |
| static constexpr T ClearLowBytes = |
| static_cast<T>(static_cast<uint64_t>(Value) |
| << ((Bytes >= CHAR_BIT) ? 0 : Bytes) * CHAR_BIT); |
| |
| template <T Value, typename Base> |
| static constexpr T TruncZeroOf = ClearLowBytes<Value + 1, sizeof(Base)>; |
| |
| // Random number with active bits in every byte. 0xAAAA'AAAA |
| static constexpr T XAAA = static_cast<T>( |
| 0b10101010'10101010'10101010'10101010'10101010'10101010'10101010'10101010); |
| template <typename Base> |
| static constexpr T XAAATruncZeroOf = TruncZeroOf<XAAA, Base>; // 0xAAAA'AB00 |
| |
| // Random number with active bits in every byte. 0x5555'5555 |
| static constexpr T X555 = static_cast<T>( |
| 0b01010101'01010101'01010101'01010101'01010101'01010101'01010101'01010101); |
| template <typename Base> |
| static constexpr T X555TruncZeroOf = TruncZeroOf<X555, Base>; // 0x5555'5600 |
| |
| // Silence 'warning C4309: 'initializing': truncation of constant value' |
| // in RangeSetCastToPromotionConversionTest. |
| #if defined(_MSC_VER) && !defined(__clang__) |
| #pragma warning(push) |
| #pragma warning(disable : 4309) |
| #endif |
| // Numbers for ranges with the same bits in the lowest byte. |
| // 0xAAAA'AA2A |
| static constexpr T FromA = ClearLowBytes<XAAA, sizeof(T) - 1> + 42; |
| static constexpr T ToA = FromA + 2; // 0xAAAA'AA2C |
| // 0x5555'552A |
| static constexpr T FromB = ClearLowBytes<X555, sizeof(T) - 1> + 42; |
| static constexpr T ToB = FromB + 2; // 0x5555'552C |
| |
| #if defined(_MSC_VER) && !defined(__clang__) |
| #pragma warning(pop) |
| #endif |
| }; |
| |
| template <typename T> |
| static constexpr APSIntType APSIntTy = |
| APSIntType(sizeof(T) * CHAR_BIT, !is_signed_v<T>); |
| |
| template <typename BaseType> class RangeSetTest : public testing::Test { |
| public: |
| // Init block |
| std::unique_ptr<ASTUnit> AST = tooling::buildASTFromCode("struct foo;"); |
| ASTContext &Context = AST->getASTContext(); |
| llvm::BumpPtrAllocator Arena; |
| BasicValueFactory BVF{Context, Arena}; |
| RangeSet::Factory F{BVF}; |
| // End init block |
| |
| using Self = RangeSetTest<BaseType>; |
| template <typename T> using RawRangeT = std::pair<T, T>; |
| template <typename T> |
| using RawRangeSetT = std::initializer_list<RawRangeT<T>>; |
| using RawRange = RawRangeT<BaseType>; |
| using RawRangeSet = RawRangeSetT<BaseType>; |
| |
| template <typename T> const llvm::APSInt &from(T X) { |
| static llvm::APSInt Int = APSIntTy<T>.getZeroValue(); |
| Int = X; |
| return BVF.getValue(Int); |
| } |
| |
| template <typename T> Range from(const RawRangeT<T> &Init) { |
| return Range(from(Init.first), from(Init.second)); |
| } |
| |
| template <typename T> |
| RangeSet from(RawRangeSetT<T> Init, APSIntType Ty = APSIntTy<BaseType>) { |
| RangeSet RangeSet = F.getEmptySet(); |
| for (const auto &Raw : Init) { |
| RangeSet = F.add(RangeSet, from(Raw)); |
| } |
| return RangeSet; |
| } |
| |
| template <class F, class... RawArgTypes> |
| void wrap(F ActualFunction, RawArgTypes &&... Args) { |
| (this->*ActualFunction)(from(std::forward<RawArgTypes>(Args))...); |
| } |
| |
| void checkNegateImpl(RangeSet Original, RangeSet Expected) { |
| RangeSet NegatedFromOriginal = F.negate(Original); |
| EXPECT_EQ(NegatedFromOriginal, Expected); |
| // Negate negated back and check with original. |
| RangeSet NegatedBackward = F.negate(NegatedFromOriginal); |
| EXPECT_EQ(NegatedBackward, Original); |
| } |
| |
| void checkNegate(RawRangeSet RawOriginal, RawRangeSet RawExpected) { |
| wrap(&Self::checkNegateImpl, RawOriginal, RawExpected); |
| } |
| |
| template <class PointOrSet> |
| void checkIntersectImpl(RangeSet LHS, PointOrSet RHS, RangeSet Expected) { |
| RangeSet Result = F.intersect(LHS, RHS); |
| EXPECT_EQ(Result, Expected) |
| << "while intersecting " << toString(LHS) << " and " << toString(RHS); |
| } |
| |
| void checkIntersectRangeImpl(RangeSet LHS, const llvm::APSInt &Lower, |
| const llvm::APSInt &Upper, RangeSet Expected) { |
| RangeSet Result = F.intersect(LHS, Lower, Upper); |
| EXPECT_EQ(Result, Expected) |
| << "while intersecting " << toString(LHS) << " and [" << toString(Lower) |
| << ", " << toString(Upper) << "]"; |
| } |
| |
| void checkIntersect(RawRangeSet RawLHS, RawRangeSet RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkIntersectImpl<RangeSet>, RawLHS, RawRHS, RawExpected); |
| } |
| |
| void checkIntersect(RawRangeSet RawLHS, BaseType RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkIntersectImpl<const llvm::APSInt &>, RawLHS, RawRHS, |
| RawExpected); |
| } |
| |
| void checkIntersect(RawRangeSet RawLHS, BaseType RawLower, BaseType RawUpper, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkIntersectRangeImpl, RawLHS, RawLower, RawUpper, |
| RawExpected); |
| } |
| |
| void checkContainsImpl(RangeSet LHS, const llvm::APSInt &RHS, bool Expected) { |
| bool Result = LHS.contains(RHS); |
| EXPECT_EQ(Result, Expected) |
| << toString(LHS) << (Result ? " contains " : " doesn't contain ") |
| << toString(RHS); |
| } |
| |
| void checkContains(RawRangeSet RawLHS, BaseType RawRHS, bool Expected) { |
| checkContainsImpl(from(RawLHS), from(RawRHS), Expected); |
| } |
| |
| template <class RHSType> |
| void checkAddImpl(RangeSet LHS, RHSType RHS, RangeSet Expected) { |
| RangeSet Result = F.add(LHS, RHS); |
| EXPECT_EQ(Result, Expected) |
| << "while adding " << toString(LHS) << " and " << toString(RHS); |
| } |
| |
| void checkAdd(RawRangeSet RawLHS, RawRange RawRHS, RawRangeSet RawExpected) { |
| wrap(&Self::checkAddImpl<Range>, RawLHS, RawRHS, RawExpected); |
| } |
| |
| void checkAdd(RawRangeSet RawLHS, RawRangeSet RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkAddImpl<RangeSet>, RawLHS, RawRHS, RawExpected); |
| } |
| |
| void checkAdd(RawRangeSet RawLHS, BaseType RawRHS, RawRangeSet RawExpected) { |
| wrap(&Self::checkAddImpl<const llvm::APSInt &>, RawLHS, RawRHS, |
| RawExpected); |
| } |
| |
| template <class RHSType> |
| void checkUniteImpl(RangeSet LHS, RHSType RHS, RangeSet Expected) { |
| RangeSet Result = F.unite(LHS, RHS); |
| EXPECT_EQ(Result, Expected) |
| << "while uniting " << toString(LHS) << " and " << toString(RHS); |
| } |
| |
| void checkUnite(RawRangeSet RawLHS, RawRange RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkUniteImpl<Range>, RawLHS, RawRHS, RawExpected); |
| } |
| |
| void checkUnite(RawRangeSet RawLHS, RawRangeSet RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkUniteImpl<RangeSet>, RawLHS, RawRHS, RawExpected); |
| } |
| |
| void checkUnite(RawRangeSet RawLHS, BaseType RawRHS, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkUniteImpl<const llvm::APSInt &>, RawLHS, RawRHS, |
| RawExpected); |
| } |
| |
| void checkDeleteImpl(const llvm::APSInt &Point, RangeSet From, |
| RangeSet Expected) { |
| RangeSet Result = F.deletePoint(From, Point); |
| EXPECT_EQ(Result, Expected) |
| << "while deleting " << toString(Point) << " from " << toString(From); |
| } |
| |
| void checkDelete(BaseType Point, RawRangeSet RawFrom, |
| RawRangeSet RawExpected) { |
| wrap(&Self::checkDeleteImpl, Point, RawFrom, RawExpected); |
| } |
| |
| void checkCastToImpl(RangeSet What, APSIntType Ty, RangeSet Expected) { |
| RangeSet Result = F.castTo(What, Ty); |
| EXPECT_EQ(Result, Expected) |
| << "while casting " << toString(What) << " to " << Ty; |
| } |
| |
| template <typename From, typename To> |
| void checkCastTo(RawRangeSetT<From> What, RawRangeSetT<To> Expected) { |
| static constexpr APSIntType FromTy = APSIntTy<From>; |
| static constexpr APSIntType ToTy = APSIntTy<To>; |
| this->checkCastToImpl(from(What, FromTy), ToTy, from(Expected, ToTy)); |
| } |
| }; |
| |
| using IntTypes = ::testing::Types<int8_t, uint8_t, int16_t, uint16_t, int32_t, |
| uint32_t, int64_t, uint64_t>; |
| TYPED_TEST_SUITE(RangeSetTest, IntTypes, ); |
| |
| TYPED_TEST(RangeSetTest, RangeSetNegateTest) { |
| using TV = TestValues<TypeParam>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto A = TV::A; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| constexpr auto D = TV::D; |
| |
| this->checkNegate({{MIN, A}}, {{MIN, MIN}, {D, MAX}}); |
| this->checkNegate({{MIN, C}}, {{MIN, MIN}, {B, MAX}}); |
| this->checkNegate({{MIN, MID}}, {{MIN, MIN}, {MID, MAX}}); |
| this->checkNegate({{MIN, MAX}}, {{MIN, MAX}}); |
| this->checkNegate({{A, D}}, {{A, D}}); |
| this->checkNegate({{A, B}}, {{C, D}}); |
| this->checkNegate({{MIN, A}, {D, MAX}}, {{MIN, A}, {D, MAX}}); |
| this->checkNegate({{MIN, B}, {MID, D}}, {{MIN, MIN}, {A, MID}, {C, MAX}}); |
| this->checkNegate({{MIN, MID}, {C, D}}, {{MIN, MIN}, {A, B}, {MID, MAX}}); |
| this->checkNegate({{MIN, MID}, {C, MAX}}, {{MIN, B}, {MID, MAX}}); |
| this->checkNegate({{A, MID}, {D, MAX}}, {{MIN + 1, A}, {MID, D}}); |
| this->checkNegate({{A, A}}, {{D, D}}); |
| this->checkNegate({{MID, MID}}, {{MID, MID}}); |
| this->checkNegate({{MAX, MAX}}, {{MIN + 1, MIN + 1}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetPointIntersectTest) { |
| // Check that we can correctly intersect empty sets. |
| this->checkIntersect({}, 42, {}); |
| // Check that intersection with itself produces the same set. |
| this->checkIntersect({{42, 42}}, 42, {{42, 42}}); |
| // Check more general cases. |
| this->checkIntersect({{0, 10}, {20, 30}, {30, 40}, {50, 60}}, 42, {}); |
| this->checkIntersect({{0, 10}, {20, 30}, {30, 60}}, 42, {{42, 42}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetRangeIntersectTest) { |
| using TV = TestValues<TypeParam>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| |
| // Check that we can correctly intersect empty sets. |
| this->checkIntersect({}, 10, 20, {}); |
| this->checkIntersect({}, 20, 10, {}); |
| // Check that intersection with itself produces the same set. |
| this->checkIntersect({{10, 20}}, 10, 20, {{10, 20}}); |
| this->checkIntersect({{MIN, 10}, {20, MAX}}, 20, 10, {{MIN, 10}, {20, MAX}}); |
| // Check non-overlapping range intersections. |
| this->checkIntersect({{10, 20}}, 21, 9, {}); |
| this->checkIntersect({{MIN, 9}, {21, MAX}}, 10, 20, {}); |
| // Check more general cases. |
| this->checkIntersect({{0, 10}, {20, 30}, {30, 40}, {50, 60}}, 10, 35, |
| {{10, 10}, {20, 30}, {30, 35}}); |
| this->checkIntersect({{0, 10}, {20, 30}, {30, 40}, {50, 60}}, 35, 10, |
| {{0, 10}, {35, 40}, {50, 60}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetGenericIntersectTest) { |
| // Check that we can correctly intersect empty sets. |
| this->checkIntersect({}, {}, {}); |
| this->checkIntersect({}, {{0, 10}}, {}); |
| this->checkIntersect({{0, 10}}, {}, {}); |
| |
| this->checkIntersect({{0, 10}}, {{4, 6}}, {{4, 6}}); |
| this->checkIntersect({{0, 10}}, {{4, 20}}, {{4, 10}}); |
| // Check that intersection with points works as expected. |
| this->checkIntersect({{0, 10}}, {{4, 4}}, {{4, 4}}); |
| // All ranges are closed, check that intersection with edge points works as |
| // expected. |
| this->checkIntersect({{0, 10}}, {{10, 10}}, {{10, 10}}); |
| |
| // Let's check that we can skip some intervals and partially intersect |
| // other intervals. |
| this->checkIntersect({{0, 2}, {4, 5}, {6, 9}, {10, 11}, {12, 12}, {13, 15}}, |
| {{8, 14}, {20, 30}}, |
| {{8, 9}, {10, 11}, {12, 12}, {13, 14}}); |
| // Check more generic case. |
| this->checkIntersect( |
| {{0, 1}, {2, 3}, {5, 6}, {7, 15}, {25, 30}}, |
| {{4, 10}, {11, 11}, {12, 16}, {17, 17}, {19, 20}, {21, 23}, {24, 27}}, |
| {{5, 6}, {7, 10}, {11, 11}, {12, 15}, {25, 27}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetContainsTest) { |
| // Check with an empty set. |
| this->checkContains({}, 10, false); |
| // Check contains with sets of size one: |
| // * when the whole range is less |
| this->checkContains({{0, 5}}, 10, false); |
| // * when the whole range is greater |
| this->checkContains({{20, 25}}, 10, false); |
| // * when the range is just the point we are looking for |
| this->checkContains({{10, 10}}, 10, true); |
| // * when the range starts with the point |
| this->checkContains({{10, 15}}, 10, true); |
| // * when the range ends with the point |
| this->checkContains({{5, 10}}, 10, true); |
| // * when the range has the point somewhere in the middle |
| this->checkContains({{0, 25}}, 10, true); |
| // Check similar cases, but with larger sets. |
| this->checkContains({{0, 5}, {10, 10}, {15, 20}}, 10, true); |
| this->checkContains({{0, 5}, {10, 12}, {15, 20}}, 10, true); |
| this->checkContains({{0, 5}, {5, 7}, {8, 10}, {12, 41}}, 10, true); |
| |
| using TV = TestValues<TypeParam>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| |
| this->checkContains({{MIN, MAX}}, 0, true); |
| this->checkContains({{MIN, MAX}}, MID, true); |
| this->checkContains({{MIN, MAX}}, -10, true); |
| this->checkContains({{MIN, MAX}}, 10, true); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetAddTest) { |
| // Check adding single points |
| this->checkAdd({}, 10, {{10, 10}}); |
| this->checkAdd({{0, 5}}, 10, {{0, 5}, {10, 10}}); |
| this->checkAdd({{0, 5}, {30, 40}}, 10, {{0, 5}, {10, 10}, {30, 40}}); |
| |
| // Check adding single ranges. |
| this->checkAdd({}, {10, 20}, {{10, 20}}); |
| this->checkAdd({{0, 5}}, {10, 20}, {{0, 5}, {10, 20}}); |
| this->checkAdd({{0, 5}, {30, 40}}, {10, 20}, {{0, 5}, {10, 20}, {30, 40}}); |
| |
| // Check adding whole sets of ranges. |
| this->checkAdd({{0, 5}}, {{10, 20}}, {{0, 5}, {10, 20}}); |
| // Check that ordering of ranges is as expected. |
| this->checkAdd({{0, 5}, {30, 40}}, {{10, 20}}, {{0, 5}, {10, 20}, {30, 40}}); |
| this->checkAdd({{0, 5}, {30, 40}}, {{10, 20}, {50, 60}}, |
| {{0, 5}, {10, 20}, {30, 40}, {50, 60}}); |
| this->checkAdd({{10, 20}, {50, 60}}, {{0, 5}, {30, 40}, {70, 80}}, |
| {{0, 5}, {10, 20}, {30, 40}, {50, 60}, {70, 80}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetDeletePointTest) { |
| using TV = TestValues<TypeParam>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| |
| this->checkDelete(MID, {{MIN, MAX}}, {{MIN, MID - 1}, {MID + 1, MAX}}); |
| // Check that delete works with an empty set. |
| this->checkDelete(10, {}, {}); |
| // Check that delete can remove entire ranges. |
| this->checkDelete(10, {{10, 10}}, {}); |
| this->checkDelete(10, {{0, 5}, {10, 10}, {20, 30}}, {{0, 5}, {20, 30}}); |
| // Check that delete can split existing ranges into two. |
| this->checkDelete(10, {{0, 5}, {7, 15}, {20, 30}}, |
| {{0, 5}, {7, 9}, {11, 15}, {20, 30}}); |
| // Check that delete of the point not from the range set works as expected. |
| this->checkDelete(10, {{0, 5}, {20, 30}}, {{0, 5}, {20, 30}}); |
| } |
| |
| TYPED_TEST(RangeSetTest, RangeSetUniteTest) { |
| using TV = TestValues<TypeParam>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto A = TV::A; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| constexpr auto D = TV::D; |
| |
| // LHS and RHS is empty. |
| // RHS => |
| // LHS => = |
| // ___________________ ___________________ |
| this->checkUnite({}, {}, {}); |
| |
| // RHS is empty. |
| // RHS => |
| // LHS => _____ = _____ |
| // ______/_____\______ ______/_____\______ |
| this->checkUnite({{A, B}}, {}, {{A, B}}); |
| this->checkUnite({{A, B}, {C, D}}, {}, {{A, B}, {C, D}}); |
| this->checkUnite({{MIN, MIN}}, {}, {{MIN, MIN}}); |
| this->checkUnite({{MAX, MAX}}, {}, {{MAX, MAX}}); |
| this->checkUnite({{MIN, MIN}, {MAX, MAX}}, {}, {{MIN, MIN}, {MAX, MAX}}); |
| |
| // LHS is empty. |
| // RHS => ___ |
| // LHS => / \ = _____ |
| // ______/_____\______ ______/_____\______ |
| this->checkUnite({}, B, {{B, B}}); |
| this->checkUnite({}, {B, C}, {{B, C}}); |
| this->checkUnite({}, {{MIN, B}, {C, MAX}}, {{MIN, B}, {C, MAX}}); |
| this->checkUnite({}, {{MIN, MIN}}, {{MIN, MIN}}); |
| this->checkUnite({}, {{MAX, MAX}}, {{MAX, MAX}}); |
| this->checkUnite({}, {{MIN, MIN}, {MAX, MAX}}, {{MIN, MIN}, {MAX, MAX}}); |
| |
| // RHS is detached from LHS. |
| // RHS => ___ |
| // LHS => ___ / \ = ___ _____ |
| // __/___\___/_____\__ __/___\___/_____\__ |
| this->checkUnite({{A, C}}, D, {{A, C}, {D, D}}); |
| this->checkUnite({{MID, C}, {D, MAX}}, A, {{A, A}, {MID, C}, {D, MAX}}); |
| this->checkUnite({{A, B}}, {MID, D}, {{A, B}, {MID, D}}); |
| this->checkUnite({{MIN, A}, {D, MAX}}, {B, C}, {{MIN, A}, {B, C}, {D, MAX}}); |
| this->checkUnite({{B, MID}, {D, MAX}}, {{MIN, A}, {C, C}}, |
| {{MIN, A}, {B, MID}, {C, C}, {D, MAX}}); |
| this->checkUnite({{MIN, A}, {C, C}}, {{B, MID}, {D, MAX}}, |
| {{MIN, A}, {B, MID}, {C, C}, {D, MAX}}); |
| this->checkUnite({{A, B}}, {{MAX, MAX}}, {{A, B}, {MAX, MAX}}); |
| this->checkUnite({{MIN, MIN}}, {A, B}, {{MIN, MIN}, {A, B}}); |
| this->checkUnite({{MIN, MIN}}, {MAX, MAX}, {{MIN, MIN}, {MAX, MAX}}); |
| |
| // RHS is inside LHS. |
| // RHS => ___ |
| // LHS => ___/___\___ = ___________ |
| // ___/__/_____\__\___ ___/___________\___ |
| this->checkUnite({{A, C}}, MID, {{A, C}}); |
| this->checkUnite({{A, D}}, {B, C}, {{A, D}}); |
| this->checkUnite({{MIN, MAX}}, {B, C}, {{MIN, MAX}}); |
| |
| // RHS wraps LHS. |
| // RHS => _________ |
| // LHS => / _____ \ = ___________ |
| // ___/__/_____\__\___ ___/___________\___ |
| this->checkUnite({{MID, MID}}, {A, D}, {{A, D}}); |
| this->checkUnite({{B, C}}, {A, D}, {{A, D}}); |
| this->checkUnite({{A, B}}, {MIN, MAX}, {{MIN, MAX}}); |
| |
| // RHS equals to LHS. |
| // RHS => _________ |
| // LHS => /_________\ = ___________ |
| // ___/___________\___ ___/___________\___ |
| this->checkUnite({{MIN, MIN}}, MIN, {{MIN, MIN}}); |
| this->checkUnite({{A, B}}, {A, B}, {{A, B}}); |
| this->checkUnite({{MAX, MAX}}, {{MAX, MAX}}, {{MAX, MAX}}); |
| this->checkUnite({{MIN, MIN}}, {{MIN, MIN}}, {{MIN, MIN}}); |
| this->checkUnite({{MIN, MIN}, {MAX, MAX}}, {{MIN, MIN}, {MAX, MAX}}, |
| {{MIN, MIN}, {MAX, MAX}}); |
| |
| // RHS edge is MIN and attached and inside LHS. |
| // RHS => _____ |
| // LHS => /_____\_____ = ___________ |
| // /_______\____\___ /___________\___ |
| this->checkUnite({{MIN, A}}, {MIN, B}, {{MIN, B}}); |
| |
| // RHS edge is MIN and attached and outsude LHS. |
| // RHS => __________ |
| // LHS => /______ \ = ___________ |
| // /_______\____\___ /___________\___ |
| this->checkUnite({{MIN, B}}, {MIN, A}, {{MIN, B}}); |
| |
| // RHS intersects right of LHS. |
| // RHS => ______ |
| // LHS => ___/____ \ = ___________ |
| // ___/__/_____\__\___ ___/___________\___ |
| this->checkUnite({{A, C}}, C, {{A, C}}); |
| this->checkUnite({{A, C}}, {B, D}, {{A, D}}); |
| |
| // RHS intersects left of LHS. |
| // RHS => ______ |
| // LHS => / ____\___ = ___________ |
| // ___/__/_____\__\___ ___/___________\___ |
| this->checkUnite({{B, D}}, B, {{B, D}}); |
| this->checkUnite({{B, D}}, {A, C}, {{A, D}}); |
| this->checkUnite({{MID, MAX}}, {MIN, MID}, {{MIN, MAX}}); |
| |
| // RHS adjacent to LHS on right. |
| // RHS => _____ |
| // LHS => ______ / \ = _______________ |
| // _/______\/_______\_ _/_______________\_ |
| this->checkUnite({{A, B - 1}}, B, {{A, B}}); |
| this->checkUnite({{A, C}}, {C + 1, D}, {{A, D}}); |
| this->checkUnite({{MIN, MID}}, {MID + 1, MAX}, {{MIN, MAX}}); |
| |
| // RHS adjacent to LHS on left. |
| // RHS => _____ |
| // LHS => / \ ______ = _______________ |
| // _/_______\/______\_ _/_______________\_ |
| this->checkUnite({{B + 1, C}}, B, {{B, C}}); |
| this->checkUnite({{B, D}}, {A, B - 1}, {{A, D}}); |
| |
| // RHS adjacent to LHS in between. |
| // RHS => ___ |
| // LHS => ___ / \ ___ = _______________ |
| // _/___\/_____\/___\_ _/_______________\_ |
| this->checkUnite({{A, MID - 1}, {MID + 1, D}}, MID, {{A, D}}); |
| this->checkUnite({{MIN, A}, {D, MAX}}, {A + 1, D - 1}, {{MIN, MAX}}); |
| |
| // RHS adjacent to LHS on the outside. |
| // RHS => __ __ |
| // LHS => / \ ___ / \ = _______________ |
| // _/____\/___\/____\_ _/_______________\_ |
| this->checkUnite({{C, C}}, {{A, C - 1}, {C + 1, D}}, {{A, D}}); |
| this->checkUnite({{B, MID}}, {{A, B - 1}, {MID + 1, D}}, {{A, D}}); |
| |
| // RHS wraps two subranges of LHS. |
| // RHS => ___________ |
| // LHS => / ___ ___ \ = _____________ |
| // __/_/___\_/___\_\__ __/_____________\__ |
| this->checkUnite({{B, B}, {MID, MID}, {C, C}}, {{A, D}}, {{A, D}}); |
| this->checkUnite({{A, B}, {MID, C}}, {{MIN, D}}, {{MIN, D}}); |
| |
| // RHS intersects two subranges of LHS. |
| // RHS => _________ |
| // LHS => __/__ _\__ = _______________ |
| // _/_/___\____/__\_\_ _/_______________\_ |
| this->checkUnite({{MIN, B}, {C, MAX}}, {{A, D}}, {{MIN, MAX}}); |
| this->checkUnite({{A, MID}, {C, MAX}}, {{B, D}}, {{A, MAX}}); |
| |
| // Multiple intersections. |
| |
| // clang-format off |
| // RHS => |
| // LHS => /\ /\ = __ __ |
| // _/__\_/__\_/\_/\_/\_ _/__\_/__\_/\_/\_/\_ |
| this->checkUnite({{MID, C}, {C + 2, D - 2}, {D, MAX}}, |
| {{MIN, A}, {A + 2, B}}, |
| {{MIN, A}, {A + 2, B}, {MID, C}, {C + 2, D - 2}, {D, MAX}}); |
| this->checkUnite({{B, B}, {C, C}, {MAX, MAX}}, |
| {{MIN, MIN}, {A, A}}, |
| {{MIN, MIN}, {A, A}, {B, B}, {C, C}, {MAX, MAX}}); |
| |
| // RHS => |
| // LHS => /\ /\ = __ __ |
| // _/\_/\_/\__/__\_/__\_ _/\_/\_/\_/__\_/__\_ |
| this->checkUnite({{MIN, A}, {A + 2, B}, {MID, C}}, |
| {{C + 2, D - 2}, {D, MAX}}, |
| {{MIN, A}, {A + 2, B}, {MID, C}, {C + 2, D - 2}, {D, MAX}}); |
| this->checkUnite({{MIN, MIN}, {A, A}, {B, B}}, |
| {{C, C}, {MAX, MAX}}, |
| {{MIN, MIN}, {A, A}, {B, B}, {C, C}, {MAX, MAX}}); |
| |
| // RHS => |
| // LHS => _ /\ _ /\ _ /\ = |
| // _/_\_/__\_/_\_/__\_/_\_/__\_ |
| // |
| // RSLT => _ __ _ __ _ __ |
| // _/_\_/__\_/_\_/__\_/_\_/__\_ |
| this->checkUnite({{MIN, A}, {B + 2, MID}, {C + 2, D}}, |
| {{A + 2, B}, {MID + 2, C}, {D + 2, MAX}}, |
| {{MIN, A}, {A + 2, B}, {B + 2, MID}, {MID + 2, C}, {C + 2, D}, {D + 2, MAX}}); |
| this->checkUnite({{MIN, MIN}, {B, B}, {D, D}}, |
| {{A, A}, {C, C}, {MAX, MAX}}, |
| {{MIN, MIN}, {A, A}, {B, B}, {C, C}, {D, D}, {MAX, MAX}}); |
| |
| // RHS => |
| // LHS => /\ _ /\ _ /\ _ = |
| // _/__\_/_\_/__\_/_\_/__\_/_\_ |
| // |
| // RSLT => __ _ __ _ __ _ |
| // _/__\_/_\_/__\_/_\_/__\_/_\_ |
| this->checkUnite({{A + 2, B}, {MID + 2, C}, {D + 2, MAX}}, |
| {{MIN, A}, {B + 2, MID}, {C + 2, D}}, |
| {{MIN, A}, {A + 2, B}, {B + 2, MID}, {MID + 2, C}, {C + 2, D}, {D + 2, MAX}}); |
| this->checkUnite({{A, A}, {C, C}, {MAX, MAX}}, |
| {{MIN, MIN}, {B, B}, {D, D}}, |
| {{MIN, MIN}, {A, A}, {B, B}, {C, C}, {D, D}, {MAX, MAX}}); |
| |
| // RHS => _ __ _ |
| // LHS => /_\ /_ \ _ / \ = ___ ____________ |
| // _/___\_/__\_\/_\/___\_ _/___\_/____________\_ |
| this->checkUnite({{MIN, A}, {B, C}, {D, MAX}}, |
| {{MIN, A}, {B, C - 2}, {C + 1, D - 1}}, |
| {{MIN, A}, {B, MAX}}); |
| this->checkUnite({{A, A}, {B, MID}, {D, D}}, |
| {{A, A}, {B, B}, {MID + 1, D - 1}}, |
| {{A, A}, {B, D}}); |
| |
| // RHS => ___ ___ |
| // LHS => /\ _/_ \_ / _ \ /\ = |
| // _/\_/__\//__\ /\\_/_/_\_\_/__\_ |
| // |
| // RSLT => ___________ _____ __ |
| // _/\_/___________\_/_____\_/__\_ |
| this->checkUnite({{MIN, MIN}, {B, MID}, {MID + 1, C}, {C + 4, D - 1}}, |
| {{A, B - 1}, {B + 1, C - 1}, {C + 2, D}, {MAX - 1, MAX}}, |
| {{MIN, MIN}, {A, C}, {C + 2, D}, {MAX - 1, MAX}}); |
| // clang-format on |
| } |
| |
| template <typename From, typename To> struct CastType { |
| using FromType = From; |
| using ToType = To; |
| }; |
| |
| template <typename Type> |
| class RangeSetCastToNoopTest : public RangeSetTest<typename Type::FromType> {}; |
| template <typename Type> |
| class RangeSetCastToPromotionTest |
| : public RangeSetTest<typename Type::FromType> {}; |
| template <typename Type> |
| class RangeSetCastToTruncationTest |
| : public RangeSetTest<typename Type::FromType> {}; |
| template <typename Type> |
| class RangeSetCastToConversionTest |
| : public RangeSetTest<typename Type::FromType> {}; |
| template <typename Type> |
| class RangeSetCastToPromotionConversionTest |
| : public RangeSetTest<typename Type::FromType> {}; |
| template <typename Type> |
| class RangeSetCastToTruncationConversionTest |
| : public RangeSetTest<typename Type::FromType> {}; |
| |
| using NoopCastTypes = |
| ::testing::Types<CastType<int8_t, int8_t>, CastType<uint8_t, uint8_t>, |
| CastType<int16_t, int16_t>, CastType<uint16_t, uint16_t>, |
| CastType<int32_t, int32_t>, CastType<uint32_t, uint32_t>, |
| CastType<int64_t, int64_t>, CastType<uint64_t, uint64_t>>; |
| |
| using PromotionCastTypes = |
| ::testing::Types<CastType<int8_t, int16_t>, CastType<int8_t, int32_t>, |
| CastType<int8_t, int64_t>, CastType<uint8_t, uint16_t>, |
| CastType<uint8_t, uint32_t>, CastType<uint8_t, uint64_t>, |
| CastType<int16_t, int32_t>, CastType<int16_t, int64_t>, |
| CastType<uint16_t, uint32_t>, CastType<uint16_t, uint64_t>, |
| CastType<int32_t, int64_t>, CastType<uint32_t, uint64_t>>; |
| |
| using TruncationCastTypes = |
| ::testing::Types<CastType<int16_t, int8_t>, CastType<uint16_t, uint8_t>, |
| CastType<int32_t, int16_t>, CastType<int32_t, int8_t>, |
| CastType<uint32_t, uint16_t>, CastType<uint32_t, uint8_t>, |
| CastType<int64_t, int32_t>, CastType<int64_t, int16_t>, |
| CastType<int64_t, int8_t>, CastType<uint64_t, uint32_t>, |
| CastType<uint64_t, uint16_t>, CastType<uint64_t, uint8_t>>; |
| |
| using ConversionCastTypes = |
| ::testing::Types<CastType<int8_t, uint8_t>, CastType<uint8_t, int8_t>, |
| CastType<int16_t, uint16_t>, CastType<uint16_t, int16_t>, |
| CastType<int32_t, uint32_t>, CastType<uint32_t, int32_t>, |
| CastType<int64_t, uint64_t>, CastType<uint64_t, int64_t>>; |
| |
| using PromotionConversionCastTypes = |
| ::testing::Types<CastType<int8_t, uint16_t>, CastType<int8_t, uint32_t>, |
| CastType<int8_t, uint64_t>, CastType<uint8_t, int16_t>, |
| CastType<uint8_t, int32_t>, CastType<uint8_t, int64_t>, |
| CastType<int16_t, uint32_t>, CastType<int16_t, uint64_t>, |
| CastType<uint16_t, int32_t>, CastType<uint16_t, int64_t>, |
| CastType<int32_t, uint64_t>, CastType<uint32_t, int64_t>>; |
| |
| using TruncationConversionCastTypes = |
| ::testing::Types<CastType<int16_t, uint8_t>, CastType<uint16_t, int8_t>, |
| CastType<int32_t, uint16_t>, CastType<int32_t, uint8_t>, |
| CastType<uint32_t, int16_t>, CastType<uint32_t, int8_t>, |
| CastType<int64_t, uint32_t>, CastType<int64_t, uint16_t>, |
| CastType<int64_t, uint8_t>, CastType<uint64_t, int32_t>, |
| CastType<uint64_t, int16_t>, CastType<uint64_t, int8_t>>; |
| |
| TYPED_TEST_SUITE(RangeSetCastToNoopTest, NoopCastTypes, ); |
| TYPED_TEST_SUITE(RangeSetCastToPromotionTest, PromotionCastTypes, ); |
| TYPED_TEST_SUITE(RangeSetCastToTruncationTest, TruncationCastTypes, ); |
| TYPED_TEST_SUITE(RangeSetCastToConversionTest, ConversionCastTypes, ); |
| TYPED_TEST_SUITE(RangeSetCastToPromotionConversionTest, |
| PromotionConversionCastTypes, ); |
| TYPED_TEST_SUITE(RangeSetCastToTruncationConversionTest, |
| TruncationConversionCastTypes, ); |
| |
| TYPED_TEST(RangeSetCastToNoopTest, RangeSetCastToNoopTest) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, |
| {{MIN, MIN}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| // One range |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{MIN, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{MIN, MID}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{MID, MAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{B, MAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{MIN, C}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{MIN, B}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{B, C}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, {{MIN, B}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, {{B, MID}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{MIN, B}, {MID, C}}); |
| } |
| |
| TYPED_TEST(RangeSetCastToPromotionTest, Test) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, |
| {{MIN, MIN}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| // One range |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{MIN, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{MIN, MID}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{MID, MAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{B, MAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{MIN, C}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{MIN, B}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{B, C}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, {{MIN, B}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, {{B, MID}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{MIN, B}, {MID, C}}); |
| } |
| |
| TYPED_TEST(RangeSetCastToTruncationTest, Test) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| // |
| // NOTE: We can't use ToMIN, ToMAX, ... everywhere. That would be incorrect: |
| // int16(-32768, 32767) -> int8(-128, 127), |
| // aka (MIN, MAX) -> (ToMIN, ToMAX) // OK. |
| // int16(-32768, -32768) -> int8(-128, -128), |
| // aka (MIN, MIN) -> (ToMIN, ToMIN) // NOK. |
| // int16(-32768,-32768) -> int8(0, 0), |
| // aka (MIN, MIN) -> ((int8)MIN, (int8)MIN) // OK. |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| // Use `if constexpr` here. |
| if (is_signed_v<F>) { |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, {{MAX, MIN}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, {{MAX, MID}}); |
| } else { |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, |
| {{MIN, MIN}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| } |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| // One range |
| constexpr auto ToMIN = TestValues<T>::MIN; |
| constexpr auto ToMAX = TestValues<T>::MAX; |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{ToMIN, ToMAX}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{ToMIN, ToMAX}}); |
| constexpr auto XAAA = TV::XAAA; |
| constexpr auto X555 = TV::X555; |
| constexpr auto ZA = TV::template XAAATruncZeroOf<T>; |
| constexpr auto Z5 = TV::template X555TruncZeroOf<T>; |
| this->template checkCastTo<F, T>({{XAAA, ZA}, {X555, Z5}}, |
| {{ToMIN, 0}, {X555, ToMAX}}); |
| // Use `if constexpr` here. |
| if (is_signed_v<F>) { |
| // One range |
| this->template checkCastTo<F, T>({{XAAA, ZA}}, {{XAAA, 0}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{XAAA, ZA}, {1, 42}}, {{XAAA, 42}}); |
| } else { |
| // One range |
| this->template checkCastTo<F, T>({{XAAA, ZA}}, {{0, 0}, {XAAA, ToMAX}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{1, 42}, {XAAA, ZA}}, |
| {{0, 42}, {XAAA, ToMAX}}); |
| } |
| constexpr auto FromA = TV::FromA; |
| constexpr auto ToA = TV::ToA; |
| constexpr auto FromB = TV::FromB; |
| constexpr auto ToB = TV::ToB; |
| // int16 -> int8 |
| // (0x00'01, 0x00'05)U(0xFF'01, 0xFF'05) casts to |
| // (0x01, 0x05)U(0x01, 0x05) unites to |
| // (0x01, 0x05) |
| this->template checkCastTo<F, T>({{FromA, ToA}, {FromB, ToB}}, |
| {{FromA, ToA}}); |
| } |
| |
| TYPED_TEST(RangeSetCastToConversionTest, Test) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, {{MAX, MIN}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| // One range |
| constexpr auto ToMIN = TestValues<T>::MIN; |
| constexpr auto ToMAX = TestValues<T>::MAX; |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, |
| {{ToMIN, ToMIN}, {MIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{MID, MAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{ToMIN, MAX}, {B, ToMAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{ToMIN, C}, {MIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{MIN, B}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{ToMIN, C}, {B, ToMAX}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, {{C, B}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, |
| {{MID, MID}, {C, MAX}, {B, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{MID, C}, {MIN, B}}); |
| } |
| |
| TYPED_TEST(RangeSetCastToPromotionConversionTest, Test) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, |
| {{MAX, MAX}, {MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| |
| // Use `if constexpr` here. |
| if (is_signed_v<F>) { |
| // One range |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{0, MAX}, {MIN, -1}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{0, 0}, {MIN, -1}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{0, MAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{0, MAX}, {B, -1}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{0, C}, {MIN, -1}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{MIN, B}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{0, C}, {B, -1}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, |
| {{C, MAX}, {MIN, B}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, |
| {{0, 0}, {C, MAX}, {B, -1}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{0, C}, {MIN, B}}); |
| } else { |
| // One range |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{MIN, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{MIN, MID}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{MID, MAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{B, MAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{MIN, C}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{MIN, B}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{B, C}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, |
| {{MIN, B}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, |
| {{B, MID}, {C, MAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, |
| {{MIN, B}, {MID, C}}); |
| } |
| } |
| |
| TYPED_TEST(RangeSetCastToTruncationConversionTest, Test) { |
| // Just to reduce the verbosity. |
| using F = typename TypeParam::FromType; // From |
| using T = typename TypeParam::ToType; // To |
| |
| using TV = TestValues<F>; |
| constexpr auto MIN = TV::MIN; |
| constexpr auto MAX = TV::MAX; |
| constexpr auto MID = TV::MID; |
| constexpr auto B = TV::B; |
| constexpr auto C = TV::C; |
| // One point |
| this->template checkCastTo<F, T>({{MIN, MIN}}, {{MIN, MIN}}); |
| this->template checkCastTo<F, T>({{MAX, MAX}}, {{MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}}, {{MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}}, {{B, B}}); |
| this->template checkCastTo<F, T>({{C, C}}, {{C, C}}); |
| // Two points |
| // Use `if constexpr` here. |
| if (is_signed_v<F>) { |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, |
| {{MIN, MIN}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, |
| {{MID, MID}, {MAX, MAX}}); |
| } else { |
| this->template checkCastTo<F, T>({{MIN, MIN}, {MAX, MAX}}, {{MAX, MIN}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {MAX, MAX}}, {{MAX, MIN}}); |
| } |
| this->template checkCastTo<F, T>({{MIN, MIN}, {B, B}}, {{MIN, MIN}, {B, B}}); |
| this->template checkCastTo<F, T>({{C, C}, {MAX, MAX}}, {{C, C}, {MAX, MAX}}); |
| this->template checkCastTo<F, T>({{MID, MID}, {C, C}}, {{MID, MID}, {C, C}}); |
| this->template checkCastTo<F, T>({{B, B}, {MID, MID}}, {{B, B}, {MID, MID}}); |
| this->template checkCastTo<F, T>({{B, B}, {C, C}}, {{B, B}, {C, C}}); |
| // One range |
| constexpr auto ToMIN = TestValues<T>::MIN; |
| constexpr auto ToMAX = TestValues<T>::MAX; |
| this->template checkCastTo<F, T>({{MIN, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, MID}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MID, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, C}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, C}}, {{ToMIN, ToMAX}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{MIN, B}, {C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{B, MID}, {C, MAX}}, {{ToMIN, ToMAX}}); |
| this->template checkCastTo<F, T>({{MIN, B}, {MID, C}}, {{ToMIN, ToMAX}}); |
| constexpr auto XAAA = TV::XAAA; |
| constexpr auto X555 = TV::X555; |
| constexpr auto ZA = TV::template XAAATruncZeroOf<T>; |
| constexpr auto Z5 = TV::template X555TruncZeroOf<T>; |
| this->template checkCastTo<F, T>({{XAAA, ZA}, {X555, Z5}}, |
| {{ToMIN, 0}, {X555, ToMAX}}); |
| // Use `if constexpr` here. |
| if (is_signed_v<F>) { |
| // One range |
| this->template checkCastTo<F, T>({{XAAA, ZA}}, {{0, 0}, {XAAA, ToMAX}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{XAAA, ZA}, {1, 42}}, |
| {{0, 42}, {XAAA, ToMAX}}); |
| } else { |
| // One range |
| this->template checkCastTo<F, T>({{XAAA, ZA}}, {{XAAA, 0}}); |
| // Two ranges |
| this->template checkCastTo<F, T>({{1, 42}, {XAAA, ZA}}, {{XAAA, 42}}); |
| } |
| constexpr auto FromA = TV::FromA; |
| constexpr auto ToA = TV::ToA; |
| constexpr auto FromB = TV::FromB; |
| constexpr auto ToB = TV::ToB; |
| this->template checkCastTo<F, T>({{FromA, ToA}, {FromB, ToB}}, |
| {{FromA, ToA}}); |
| } |
| |
| } // namespace |