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Export of internal Abseil changes.

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--
8becce38c862a044db194a9aea1b505796a46d6f by Abseil Team <absl-team@google.com>:

Updates the FixedArray's constructors to be exception safe by preventing double deletions. Also adds exception safety tests for FixedArray to document/enforce the expected behavior.

PiperOrigin-RevId: 201964431

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794188b401a602b4be97190fb8738066fe1f9ca5 by Derek Mauro <dmauro@google.com>:

Fixes for str_format.h documentation.

PiperOrigin-RevId: 201951760

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beae3bdd6eee2cf61101102fddc35ada188f330b by Alex Strelnikov <strel@google.com>:

Add numeric_limits specialization for uint128.

Turns out numeric_limits is a case where the consensus is that it is okay to specialize for a user defined type.

PiperOrigin-RevId: 201944736

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b2b3444a52b36878ade1ae8801e69932b05fc4f9 by Shaindel Schwartz <shaindel@google.com>:

Internal change.

PiperOrigin-RevId: 201718662

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aa924c459922f39caabfc193998c58d0f4981ac0 by Abseil Team <absl-team@google.com>:

Typo fix.

PiperOrigin-RevId: 201692176

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bbfcaa7b1af331d9b97c92470608240c5c864fbc by Xiaoyi Zhang <zhangxy@google.com>:

Use ABSL_HAVE_ANY/OPTIONAL/VARIANT to conditionally compile out the definition of absl::bad_any_cast, absl::bad_optional_access, absl::bad_variant_access. This would fix the issues where users #include those header directly in C++17 modes.

PiperOrigin-RevId: 201683792
GitOrigin-RevId: 8becce38c862a044db194a9aea1b505796a46d6f
Change-Id: I60a7ad043136a439d82c374d225a1804016b0509
This commit is contained in:
Abseil Team 2018-06-25 09:18:19 -07:00 • committed by Alex Strelnikov
parent 4491d606df
commit 87a4c07856
20 changed files with 422 additions and 48 deletions
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18
absl/memory/memory_exception_safety_test.cc
View file

@ -20,11 +20,14 @@
namespace absl {
namespace {
using Thrower = ::testing::ThrowingValue<>;
constexpr int kLength = 50;
using Thrower = testing::ThrowingValue<testing::TypeSpec::kEverythingThrows>;
using ThrowerStorage =
absl::aligned_storage_t<sizeof(Thrower), alignof(Thrower)>;
using ThrowerList = std::array<ThrowerStorage, kLength>;
TEST(MakeUnique, CheckForLeaks) {
constexpr int kValue = 321;
constexpr size_t kLength = 10;
auto tester = testing::MakeExceptionSafetyTester()
.WithInitialValue(Thrower(kValue))
// Ensures make_unique does not modify the input. The real
@ -45,5 +48,16 @@ TEST(MakeUnique, CheckForLeaks) {
}));
}
TEST(MemoryInternal, UninitDefaultConstructNNonTrivial) {
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithInitialValue(ThrowerList{})
.WithOperation([&](ThrowerList* list_ptr) {
absl::memory_internal::uninitialized_default_construct_n(
list_ptr->data(), kLength);
})
.WithInvariants([&](...) { return true; })
.Test());
}
} // namespace
} // namespace absl