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-rw-r--r--absl/container/inlined_vector_exception_safety_test.cc104
1 files changed, 104 insertions, 0 deletions
diff --git a/absl/container/inlined_vector_exception_safety_test.cc b/absl/container/inlined_vector_exception_safety_test.cc
index 1aae0b04..0a964925 100644
--- a/absl/container/inlined_vector_exception_safety_test.cc
+++ b/absl/container/inlined_vector_exception_safety_test.cc
@@ -36,6 +36,26 @@ using ThrowAllocThrowerVec =
using ThrowAllocMovableThrowerVec =
absl::InlinedVector<MovableThrower, kInlinedCapacity, ThrowAlloc>;
+// In GCC, if an element of a `std::initializer_list` throws during construction
+// the elements that were constructed before it are not destroyed. This causes
+// incorrect exception safety test failures. Thus, `testing::nothrow_ctor` is
+// required. See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66139
+#define ABSL_INTERNAL_MAKE_INIT_LIST(T, N) \
+ (N > kInlinedCapacity \
+ ? std::initializer_list<T>{T(0, testing::nothrow_ctor), \
+ T(1, testing::nothrow_ctor), \
+ T(2, testing::nothrow_ctor), \
+ T(3, testing::nothrow_ctor), \
+ T(4, testing::nothrow_ctor), \
+ T(5, testing::nothrow_ctor), \
+ T(6, testing::nothrow_ctor), \
+ T(7, testing::nothrow_ctor)} \
+ \
+ : std::initializer_list<T>{T(0, testing::nothrow_ctor), \
+ T(1, testing::nothrow_ctor)})
+static_assert((kLargeSize == 8 || kSmallSize == 2),
+ "Must update ABSL_INTERNAL_MAKE_INIT_LIST(...).");
+
template <typename TheVecT, size_t... TheSizes>
class TestParams {
public:
@@ -88,6 +108,90 @@ TYPED_TEST(NoSizeTest, DefaultConstructor) {
testing::TestThrowingCtor<VecT>(allocator_type{});
}
+TYPED_TEST(OneSizeTest, SizeConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ testing::TestThrowingCtor<VecT>(size);
+
+ testing::TestThrowingCtor<VecT>(size, allocator_type{});
+}
+
+TYPED_TEST(OneSizeTest, SizeRefConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using value_type = typename VecT::value_type;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ testing::TestThrowingCtor<VecT>(size, value_type{});
+
+ testing::TestThrowingCtor<VecT>(size, value_type{}, allocator_type{});
+}
+
+TYPED_TEST(OneSizeTest, InitializerListConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using value_type = typename VecT::value_type;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ testing::TestThrowingCtor<VecT>(
+ ABSL_INTERNAL_MAKE_INIT_LIST(value_type, size));
+
+ testing::TestThrowingCtor<VecT>(
+ ABSL_INTERNAL_MAKE_INIT_LIST(value_type, size), allocator_type{});
+}
+
+TYPED_TEST(OneSizeTest, RangeConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using value_type = typename VecT::value_type;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ std::array<value_type, size> arr{};
+
+ testing::TestThrowingCtor<VecT>(arr.begin(), arr.end());
+
+ testing::TestThrowingCtor<VecT>(arr.begin(), arr.end(), allocator_type{});
+}
+
+TYPED_TEST(OneSizeTest, CopyConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ VecT other_vec{size};
+
+ testing::TestThrowingCtor<VecT>(other_vec);
+
+ testing::TestThrowingCtor<VecT>(other_vec, allocator_type{});
+}
+
+TYPED_TEST(OneSizeTest, MoveConstructor) {
+ using VecT = typename TypeParam::VecT;
+ using allocator_type = typename VecT::allocator_type;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ if (!absl::allocator_is_nothrow<allocator_type>::value) {
+ testing::TestThrowingCtor<VecT>(VecT{size});
+
+ testing::TestThrowingCtor<VecT>(VecT{size}, allocator_type{});
+ }
+}
+
+TYPED_TEST(OneSizeTest, PopBack) {
+ using VecT = typename TypeParam::VecT;
+ constexpr static auto size = TypeParam::GetSizeAt(0);
+
+ auto tester = testing::MakeExceptionSafetyTester()
+ .WithInitialValue(VecT(size))
+ .WithContracts(NoThrowGuarantee<VecT>);
+
+ EXPECT_TRUE(tester.Test([](VecT* vec) {
+ vec->pop_back(); //
+ }));
+}
+
TYPED_TEST(OneSizeTest, Clear) {
using VecT = typename TypeParam::VecT;
constexpr static auto size = TypeParam::GetSizeAt(0);