diff options
Diffstat (limited to 'absl/container/inlined_vector_exception_safety_test.cc')
| -rw-r--r-- | absl/container/inlined_vector_exception_safety_test.cc | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/absl/container/inlined_vector_exception_safety_test.cc b/absl/container/inlined_vector_exception_safety_test.cc index 0a9649250302..e7c47127df9f 100644 --- a/absl/container/inlined_vector_exception_safety_test.cc +++ b/absl/container/inlined_vector_exception_safety_test.cc @@ -12,7 +12,11 @@ // See the License for the specific language governing permissions and // limitations under the License. +#include <array> +#include <initializer_list> +#include <iterator> #include <memory> +#include <utility> #include "gtest/gtest.h" #include "absl/base/internal/exception_safety_testing.h" @@ -81,6 +85,24 @@ using OneSizeTestParams = TestParams<ThrowAllocMovableThrowerVec, kLargeSize>, TestParams<ThrowAllocMovableThrowerVec, kSmallSize>>; +using TwoSizeTestParams = ::testing::Types< + TestParams<ThrowerVec, kLargeSize, kLargeSize>, + TestParams<ThrowerVec, kLargeSize, kSmallSize>, + TestParams<ThrowerVec, kSmallSize, kLargeSize>, + TestParams<ThrowerVec, kSmallSize, kSmallSize>, + TestParams<MovableThrowerVec, kLargeSize, kLargeSize>, + TestParams<MovableThrowerVec, kLargeSize, kSmallSize>, + TestParams<MovableThrowerVec, kSmallSize, kLargeSize>, + TestParams<MovableThrowerVec, kSmallSize, kSmallSize>, + TestParams<ThrowAllocThrowerVec, kLargeSize, kLargeSize>, + TestParams<ThrowAllocThrowerVec, kLargeSize, kSmallSize>, + TestParams<ThrowAllocThrowerVec, kSmallSize, kLargeSize>, + TestParams<ThrowAllocThrowerVec, kSmallSize, kSmallSize>, + TestParams<ThrowAllocMovableThrowerVec, kLargeSize, kLargeSize>, + TestParams<ThrowAllocMovableThrowerVec, kLargeSize, kSmallSize>, + TestParams<ThrowAllocMovableThrowerVec, kSmallSize, kLargeSize>, + TestParams<ThrowAllocMovableThrowerVec, kSmallSize, kSmallSize>>; + template <typename> struct NoSizeTest : ::testing::Test {}; TYPED_TEST_SUITE(NoSizeTest, NoSizeTestParams); @@ -89,6 +111,25 @@ template <typename> struct OneSizeTest : ::testing::Test {}; TYPED_TEST_SUITE(OneSizeTest, OneSizeTestParams); +template <typename> +struct TwoSizeTest : ::testing::Test {}; +TYPED_TEST_SUITE(TwoSizeTest, TwoSizeTestParams); + +template <typename VecT> +bool InlinedVectorInvariants(VecT* vec) { + if (*vec != *vec) return false; + if (vec->size() > vec->capacity()) return false; + if (vec->size() > vec->max_size()) return false; + if (vec->capacity() > vec->max_size()) return false; + if (vec->data() != std::addressof(vec->at(0))) return false; + if (vec->data() != vec->begin()) return false; + if (*vec->data() != *vec->begin()) return false; + if (vec->begin() > vec->end()) return false; + if ((vec->end() - vec->begin()) != vec->size()) return false; + if (std::distance(vec->begin(), vec->end()) != vec->size()) return false; + return true; +} + // Function that always returns false is correct, but refactoring is required // for clarity. It's needed to express that, as a contract, certain operations // should not throw at all. Execution of this function means an exception was @@ -179,6 +220,45 @@ TYPED_TEST(OneSizeTest, MoveConstructor) { } } +TYPED_TEST(TwoSizeTest, Assign) { + using VecT = typename TypeParam::VecT; + using value_type = typename VecT::value_type; + constexpr static auto from_size = TypeParam::GetSizeAt(0); + constexpr static auto to_size = TypeParam::GetSizeAt(1); + + auto tester = testing::MakeExceptionSafetyTester() + .WithInitialValue(VecT{from_size}) + .WithContracts(InlinedVectorInvariants<VecT>); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + *vec = ABSL_INTERNAL_MAKE_INIT_LIST(value_type, to_size); + })); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + VecT other_vec{to_size}; + *vec = other_vec; + })); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + VecT other_vec{to_size}; + *vec = std::move(other_vec); + })); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + value_type val{}; + vec->assign(to_size, val); + })); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + vec->assign(ABSL_INTERNAL_MAKE_INIT_LIST(value_type, to_size)); + })); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + std::array<value_type, to_size> arr{}; + vec->assign(arr.begin(), arr.end()); + })); +} + TYPED_TEST(OneSizeTest, PopBack) { using VecT = typename TypeParam::VecT; constexpr static auto size = TypeParam::GetSizeAt(0); @@ -205,4 +285,17 @@ TYPED_TEST(OneSizeTest, Clear) { })); } +TYPED_TEST(OneSizeTest, ShrinkToFit) { + using VecT = typename TypeParam::VecT; + constexpr static auto size = TypeParam::GetSizeAt(0); + + auto tester = testing::MakeExceptionSafetyTester() + .WithInitialValue(VecT{size}) + .WithContracts(InlinedVectorInvariants<VecT>); + + EXPECT_TRUE(tester.Test([](VecT* vec) { + vec->shrink_to_fit(); // + })); +} + } // namespace |