mdebray/tvl-depot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

- 60c1f40a5e0bc33f93392ff6827528072d749a29 Move ExceptionSafetyTester from the absl:: namespace to t... by Abseil Team <absl-team@google.com>

Browse source 
- abd40a98f8ae746eb151e777ea8a8b5223d68a4b Splits the NoThrow flags into TypeSpec and AllocSpec flag... by Abseil Team <absl-team@google.com>
  - c16d0b5509b36679b384147b474135e7951afccf Change the abbreviation for the breakdowns of InfinitePas... by Abseil Team <absl-team@google.com>
  - 8ac104351764f23d666b52dce7536a34c05abf00 Use ABSL_CONST_INIT with std::atomic variables in static ... by Matt Armstrong <marmstrong@google.com>

GitOrigin-RevId: 60c1f40a5e0bc33f93392ff6827528072d749a29
Change-Id: I9d45a6ed30ed32ae57e9eff93f4205dbcd71feb2
This commit is contained in:
Abseil Team 2018-04-30 11:44:26 -07:00 committed by vslashg
parent 28f5b89070
commit 9613678332
13 changed files with 303 additions and 218 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

128
absl/base/exception_safety_testing_test.cc
View file

@ -25,11 +25,13 @@
#include "gtest/gtest.h"
#include "absl/memory/memory.h"
namespace absl {
namespace testing {
namespace {
using ::absl::exceptions_internal::SetCountdown;
using ::absl::exceptions_internal::TestException;
using ::absl::exceptions_internal::UnsetCountdown;
using ::testing::exceptions_internal::SetCountdown;
using ::testing::exceptions_internal::TestException;
using ::testing::exceptions_internal::UnsetCountdown;
// EXPECT_NO_THROW can't inspect the thrown inspection in general.
template <typename F>
@ -166,17 +168,17 @@ TEST(ThrowingValueTest, ThrowingAllocatingOps) {
}
TEST(ThrowingValueTest, NonThrowingMoveCtor) {
ThrowingValue<NoThrow::kMoveCtor> nothrow_ctor;
ThrowingValue<TypeSpec::kNoThrowMove> nothrow_ctor;
SetCountdown();
ExpectNoThrow([&nothrow_ctor]() {
ThrowingValue<NoThrow::kMoveCtor> nothrow1 = std::move(nothrow_ctor);
ThrowingValue<TypeSpec::kNoThrowMove> nothrow1 = std::move(nothrow_ctor);
});
UnsetCountdown();
}
TEST(ThrowingValueTest, NonThrowingMoveAssign) {
ThrowingValue<NoThrow::kMoveAssign> nothrow_assign1, nothrow_assign2;
ThrowingValue<TypeSpec::kNoThrowMove> nothrow_assign1, nothrow_assign2;
SetCountdown();
ExpectNoThrow([&nothrow_assign1, &nothrow_assign2]() {
@ -185,32 +187,58 @@ TEST(ThrowingValueTest, NonThrowingMoveAssign) {
UnsetCountdown();
}
TEST(ThrowingValueTest, ThrowingCopyCtor) {
ThrowingValue<> tv;
TestOp([&]() { ThrowingValue<> tv_copy(tv); });
}
TEST(ThrowingValueTest, ThrowingCopyAssign) {
ThrowingValue<> tv1, tv2;
TestOp([&]() { tv1 = tv2; });
}
TEST(ThrowingValueTest, NonThrowingCopyCtor) {
ThrowingValue<TypeSpec::kNoThrowCopy> nothrow_ctor;
SetCountdown();
ExpectNoThrow([&nothrow_ctor]() {
ThrowingValue<TypeSpec::kNoThrowCopy> nothrow1(nothrow_ctor);
});
UnsetCountdown();
}
TEST(ThrowingValueTest, NonThrowingCopyAssign) {
ThrowingValue<TypeSpec::kNoThrowCopy> nothrow_assign1, nothrow_assign2;
SetCountdown();
ExpectNoThrow([&nothrow_assign1, &nothrow_assign2]() {
nothrow_assign1 = nothrow_assign2;
});
UnsetCountdown();
}
TEST(ThrowingValueTest, ThrowingSwap) {
ThrowingValue<> bomb1, bomb2;
TestOp([&]() { std::swap(bomb1, bomb2); });
ThrowingValue<NoThrow::kMoveCtor> bomb3, bomb4;
TestOp([&]() { std::swap(bomb3, bomb4); });
ThrowingValue<NoThrow::kMoveAssign> bomb5, bomb6;
TestOp([&]() { std::swap(bomb5, bomb6); });
}
TEST(ThrowingValueTest, NonThrowingSwap) {
ThrowingValue<NoThrow::kMoveAssign | NoThrow::kMoveCtor> bomb1, bomb2;
ThrowingValue<TypeSpec::kNoThrowMove> bomb1, bomb2;
ExpectNoThrow([&]() { std::swap(bomb1, bomb2); });
}
TEST(ThrowingValueTest, NonThrowingAllocation) {
ThrowingValue<NoThrow::kAllocation>* allocated;
ThrowingValue<NoThrow::kAllocation>* array;
ThrowingValue<TypeSpec::kNoThrowNew>* allocated;
ThrowingValue<TypeSpec::kNoThrowNew>* array;
ExpectNoThrow([&allocated]() {
allocated = new ThrowingValue<NoThrow::kAllocation>(1);
allocated = new ThrowingValue<TypeSpec::kNoThrowNew>(1);
delete allocated;
});
ExpectNoThrow([&array]() {
array = new ThrowingValue<NoThrow::kAllocation>[2];
array = new ThrowingValue<TypeSpec::kNoThrowNew>[2];
delete[] array;
});
}
@ -284,15 +312,15 @@ TEST(ThrowingAllocatorTest, MemoryManagement) {
int* i_array = int_alloc.allocate(2);
int_alloc.deallocate(i_array, 2);
ThrowingAllocator<ThrowingValue<>> ef_alloc;
ThrowingValue<>* efp = ef_alloc.allocate(1);
ef_alloc.deallocate(efp, 1);
ThrowingValue<>* ef_array = ef_alloc.allocate(2);
ef_alloc.deallocate(ef_array, 2);
ThrowingAllocator<ThrowingValue<>> tv_alloc;
ThrowingValue<>* ptr = tv_alloc.allocate(1);
tv_alloc.deallocate(ptr, 1);
ThrowingValue<>* tv_array = tv_alloc.allocate(2);
tv_alloc.deallocate(tv_array, 2);
}
TEST(ThrowingAllocatorTest, CallsGlobalNew) {
ThrowingAllocator<ThrowingValue<>, NoThrow::kNoThrow> nothrow_alloc;
ThrowingAllocator<ThrowingValue<>, AllocSpec::kNoThrowAllocate> nothrow_alloc;
ThrowingValue<>* ptr;
SetCountdown();
@ -322,7 +350,7 @@ TEST(ThrowingAllocatorTest, ThrowingConstructors) {
TEST(ThrowingAllocatorTest, NonThrowingConstruction) {
{
ThrowingAllocator<int, NoThrow::kNoThrow> int_alloc;
ThrowingAllocator<int, AllocSpec::kNoThrowAllocate> int_alloc;
int* ip = nullptr;
SetCountdown();
@ -347,19 +375,20 @@ TEST(ThrowingAllocatorTest, NonThrowingConstruction) {
}
{
ThrowingAllocator<ThrowingValue<NoThrow::kIntCtor>, NoThrow::kNoThrow>
ef_alloc;
ThrowingValue<NoThrow::kIntCtor>* efp;
ThrowingAllocator<ThrowingValue<>, AllocSpec::kNoThrowAllocate>
nothrow_alloc;
ThrowingValue<>* ptr;
SetCountdown();
ExpectNoThrow([&]() { efp = ef_alloc.allocate(1); });
ExpectNoThrow([&]() { ptr = nothrow_alloc.allocate(1); });
SetCountdown();
ExpectNoThrow([&]() { ef_alloc.construct(efp, 2); });
ExpectNoThrow(
[&]() { nothrow_alloc.construct(ptr, 2, testing::no_throw_ctor); });
EXPECT_EQ(efp->Get(), 2);
ef_alloc.destroy(efp);
ef_alloc.deallocate(efp, 1);
EXPECT_EQ(ptr->Get(), 2);
nothrow_alloc.destroy(ptr);
nothrow_alloc.deallocate(ptr, 1);
UnsetCountdown();
}
@ -448,15 +477,15 @@ TEST(ExceptionSafetyTesterTest, IncompleteTypesAreNotTestable) {
// Test that providing operation and inveriants still does not allow for the
// the invocation of .Test() and .Test(op) because it lacks a factory
auto without_fac =
absl::MakeExceptionSafetyTester().WithOperation(op).WithInvariants(
inv, absl::strong_guarantee);
testing::MakeExceptionSafetyTester().WithOperation(op).WithInvariants(
inv, testing::strong_guarantee);
EXPECT_FALSE(HasNullaryTest(without_fac));
EXPECT_FALSE(HasUnaryTest(without_fac));
// Test that providing invariants and factory allows the invocation of
// .Test(op) but does not allow for .Test() because it lacks an operation
auto without_op = absl::MakeExceptionSafetyTester()
.WithInvariants(inv, absl::strong_guarantee)
auto without_op = testing::MakeExceptionSafetyTester()
.WithInvariants(inv, testing::strong_guarantee)
.WithFactory(fac);
EXPECT_FALSE(HasNullaryTest(without_op));
EXPECT_TRUE(HasUnaryTest(without_op));
@ -464,7 +493,7 @@ TEST(ExceptionSafetyTesterTest, IncompleteTypesAreNotTestable) {
// Test that providing operation and factory still does not allow for the
// the invocation of .Test() and .Test(op) because it lacks invariants
auto without_inv =
absl::MakeExceptionSafetyTester().WithOperation(op).WithFactory(fac);
testing::MakeExceptionSafetyTester().WithOperation(op).WithFactory(fac);
EXPECT_FALSE(HasNullaryTest(without_inv));
EXPECT_FALSE(HasUnaryTest(without_inv));
}
@ -509,28 +538,28 @@ auto example_lambda_invariant = [](ExampleStruct* example_struct) {
// lambdas can all be used with ExceptionSafetyTester
TEST(ExceptionSafetyTesterTest, MixedFunctionTypes) {
// function reference
EXPECT_TRUE(absl::MakeExceptionSafetyTester()
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithFactory(ExampleFunctionFactory)
.WithOperation(ExampleFunctionOperation)
.WithInvariants(ExampleFunctionInvariant)
.Test());
// function pointer
EXPECT_TRUE(absl::MakeExceptionSafetyTester()
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithFactory(&ExampleFunctionFactory)
.WithOperation(&ExampleFunctionOperation)
.WithInvariants(&ExampleFunctionInvariant)
.Test());
// struct
EXPECT_TRUE(absl::MakeExceptionSafetyTester()
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithFactory(example_struct_factory)
.WithOperation(example_struct_operation)
.WithInvariants(example_struct_invariant)
.Test());
// lambda
EXPECT_TRUE(absl::MakeExceptionSafetyTester()
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithFactory(example_lambda_factory)
.WithOperation(example_lambda_operation)
.WithInvariants(example_lambda_invariant)
@ -558,9 +587,9 @@ struct {
} invoker;
auto tester =
absl::MakeExceptionSafetyTester().WithOperation(invoker).WithInvariants(
testing::MakeExceptionSafetyTester().WithOperation(invoker).WithInvariants(
CheckNonNegativeInvariants);
auto strong_tester = tester.WithInvariants(absl::strong_guarantee);
auto strong_tester = tester.WithInvariants(testing::strong_guarantee);
struct FailsBasicGuarantee : public NonNegative {
void operator()() {
@ -664,7 +693,7 @@ TEST(ExceptionCheckTest, ModifyingChecker) {
EXPECT_TRUE(strong_tester.WithInitialValue(FollowsStrongGuarantee{})
.WithInvariants(increment)
.Test());
EXPECT_TRUE(absl::MakeExceptionSafetyTester()
EXPECT_TRUE(testing::MakeExceptionSafetyTester()
.WithInitialValue(HasReset{})
.WithInvariants(CheckHasResetInvariants)
.Test(invoker));
@ -739,7 +768,7 @@ template <typename T>
unsigned char ExhaustivenessTester<T>::successes = 0;
TEST(ExceptionCheckTest, Exhaustiveness) {
auto exhaust_tester = absl::MakeExceptionSafetyTester()
auto exhaust_tester = testing::MakeExceptionSafetyTester()
.WithInvariants(CheckExhaustivenessTesterInvariants)
.WithOperation(invoker);
@ -749,7 +778,7 @@ TEST(ExceptionCheckTest, Exhaustiveness) {
EXPECT_TRUE(
exhaust_tester.WithInitialValue(ExhaustivenessTester<ThrowingValue<>>{})
.WithInvariants(absl::strong_guarantee)
.WithInvariants(testing::strong_guarantee)
.Test());
EXPECT_EQ(ExhaustivenessTester<ThrowingValue<>>::successes, 0xF);
}
@ -768,7 +797,7 @@ struct LeaksIfCtorThrows : private exceptions_internal::TrackedObject {
int LeaksIfCtorThrows::counter = 0;
TEST(ExceptionCheckTest, TestLeakyCtor) {
absl::TestThrowingCtor<LeaksIfCtorThrows>();
testing::TestThrowingCtor<LeaksIfCtorThrows>();
EXPECT_EQ(LeaksIfCtorThrows::counter, 1);
LeaksIfCtorThrows::counter = 0;
}
@ -839,4 +868,5 @@ TEST(ThrowingAllocatorTraitsTest, Assignablility) {
}
} // namespace
} // namespace absl
} // namespace testing

6
absl/base/internal/exception_safety_testing.cc
View file

@ -17,7 +17,7 @@
#include "gtest/gtest.h"
#include "absl/meta/type_traits.h"
namespace absl {
namespace testing {
exceptions_internal::NoThrowTag no_throw_ctor;
exceptions_internal::StrongGuaranteeTagType strong_guarantee;
@ -37,5 +37,7 @@ testing::AssertionResult FailureMessage(const TestException& e,
int countdown) noexcept {
return testing::AssertionFailure() << "Exception thrown from " << e.what();
}
} // namespace exceptions_internal
} // namespace absl
} // namespace testing

210
absl/base/internal/exception_safety_testing.h
View file

@ -35,38 +35,36 @@
#include "absl/strings/substitute.h"
#include "absl/types/optional.h"
namespace absl {
namespace testing {
// A configuration enum for Throwing*. Operations whose flags are set will
// throw, everything else won't. This isn't meant to be exhaustive, more flags
// can always be made in the future.
enum class NoThrow : uint8_t {
kNone = 0,
kMoveCtor = 1,
kMoveAssign = 1 << 1,
kAllocation = 1 << 2,
kIntCtor = 1 << 3,
kNoThrow = static_cast<uint8_t>(-1)
};
enum class TypeSpec;
enum class AllocSpec;
constexpr NoThrow operator|(NoThrow a, NoThrow b) {
using T = absl::underlying_type_t<NoThrow>;
return static_cast<NoThrow>(static_cast<T>(a) | static_cast<T>(b));
constexpr TypeSpec operator|(TypeSpec a, TypeSpec b) {
using T = absl::underlying_type_t<TypeSpec>;
return static_cast<TypeSpec>(static_cast<T>(a) | static_cast<T>(b));
}
constexpr NoThrow operator&(NoThrow a, NoThrow b) {
using T = absl::underlying_type_t<NoThrow>;
return static_cast<NoThrow>(static_cast<T>(a) & static_cast<T>(b));
constexpr TypeSpec operator&(TypeSpec a, TypeSpec b) {
using T = absl::underlying_type_t<TypeSpec>;
return static_cast<TypeSpec>(static_cast<T>(a) & static_cast<T>(b));
}
constexpr AllocSpec operator|(AllocSpec a, AllocSpec b) {
using T = absl::underlying_type_t<AllocSpec>;
return static_cast<AllocSpec>(static_cast<T>(a) | static_cast<T>(b));
}
constexpr AllocSpec operator&(AllocSpec a, AllocSpec b) {
using T = absl::underlying_type_t<AllocSpec>;
return static_cast<AllocSpec>(static_cast<T>(a) & static_cast<T>(b));
}
namespace exceptions_internal {
struct NoThrowTag {};
struct StrongGuaranteeTagType {};
constexpr bool ThrowingAllowed(NoThrow flags, NoThrow flag) {
return !static_cast<bool>(flags & flag);
}
// A simple exception class. We throw this so that test code can catch
// exceptions specifically thrown by ThrowingValue.
class TestException {
@ -246,47 +244,69 @@ class ThrowingBool {
bool b_;
};
// A testing class instrumented to throw an exception at a controlled time.
//
// ThrowingValue implements a slightly relaxed version of the Regular concept --
// that is it's a value type with the expected semantics. It also implements
// arithmetic operations. It doesn't implement member and pointer operators
// like operator-> or operator[].
//
// ThrowingValue can be instrumented to have certain operations be noexcept by
// using compile-time bitfield flag template arguments. That is, to make an
// ThrowingValue which has a noexcept move constructor and noexcept move
// assignment, use
// ThrowingValue<absl::NoThrow::kMoveCtor | absl::NoThrow::kMoveAssign>.
template <NoThrow Flags = NoThrow::kNone>
/*
* Configuration enum for the ThrowingValue type that defines behavior for the
* lifetime of the instance. Use testing::no_throw_ctor to prevent the integer
* constructor from throwing.
*
* kEverythingThrows: Every operation can throw an exception
* kNoThrowCopy: Copy construction and copy assignment will not throw
* kNoThrowMove: Move construction and move assignment will not throw
* kNoThrowNew: Overloaded operators new and new[] will not throw
*/
enum class TypeSpec {
kEverythingThrows = 0,
kNoThrowCopy = 1,
kNoThrowMove = 1 << 1,
kNoThrowNew = 1 << 2,
};
/*
* A testing class instrumented to throw an exception at a controlled time.
*
* ThrowingValue implements a slightly relaxed version of the Regular concept --
* that is it's a value type with the expected semantics. It also implements
* arithmetic operations. It doesn't implement member and pointer operators
* like operator-> or operator[].
*
* ThrowingValue can be instrumented to have certain operations be noexcept by
* using compile-time bitfield template arguments. That is, to make an
* ThrowingValue which has noexcept move construction/assignment and noexcept
* copy construction/assignment, use the following:
* ThrowingValue<testing::kNoThrowMove | testing::kNoThrowCopy> my_thrwr{val};
*/
template <TypeSpec Spec = TypeSpec::kEverythingThrows>
class ThrowingValue : private exceptions_internal::TrackedObject {
constexpr static bool IsSpecified(TypeSpec spec) {
return static_cast<bool>(Spec & spec);
}
public:
ThrowingValue() : TrackedObject(ABSL_PRETTY_FUNCTION) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
dummy_ = 0;
}
ThrowingValue(const ThrowingValue& other)
ThrowingValue(const ThrowingValue& other) noexcept(
IsSpecified(TypeSpec::kNoThrowCopy))
: TrackedObject(ABSL_PRETTY_FUNCTION) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
if (!IsSpecified(TypeSpec::kNoThrowCopy)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
}
dummy_ = other.dummy_;
}
ThrowingValue(ThrowingValue&& other) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kMoveCtor))
IsSpecified(TypeSpec::kNoThrowMove))
: TrackedObject(ABSL_PRETTY_FUNCTION) {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kMoveCtor)) {
if (!IsSpecified(TypeSpec::kNoThrowMove)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
}
dummy_ = other.dummy_;
}
explicit ThrowingValue(int i) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kIntCtor))
: TrackedObject(ABSL_PRETTY_FUNCTION) {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kIntCtor)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
}
explicit ThrowingValue(int i) : TrackedObject(ABSL_PRETTY_FUNCTION) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
dummy_ = i;
}
@ -296,15 +316,18 @@ class ThrowingValue : private exceptions_internal::TrackedObject {
// absl expects nothrow destructors
~ThrowingValue() noexcept = default;
ThrowingValue& operator=(const ThrowingValue& other) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
ThrowingValue& operator=(const ThrowingValue& other) noexcept(
IsSpecified(TypeSpec::kNoThrowCopy)) {
if (!IsSpecified(TypeSpec::kNoThrowCopy)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
}
dummy_ = other.dummy_;
return *this;
}
ThrowingValue& operator=(ThrowingValue&& other) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kMoveAssign)) {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kMoveAssign)) {
IsSpecified(TypeSpec::kNoThrowMove)) {
if (!IsSpecified(TypeSpec::kNoThrowMove)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION);
}
dummy_ = other.dummy_;
@ -533,8 +556,8 @@ class ThrowingValue : private exceptions_internal::TrackedObject {
// Args.. allows us to overload regular and placement new in one shot
template <typename... Args>
static void* operator new(size_t s, Args&&... args) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kAllocation)) {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kAllocation)) {
IsSpecified(TypeSpec::kNoThrowNew)) {
if (!IsSpecified(TypeSpec::kNoThrowNew)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION, true);
}
return ::operator new(s, std::forward<Args>(args)...);
@ -542,8 +565,8 @@ class ThrowingValue : private exceptions_internal::TrackedObject {
template <typename... Args>
static void* operator new[](size_t s, Args&&... args) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kAllocation)) {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kAllocation)) {
IsSpecified(TypeSpec::kNoThrowNew)) {
if (!IsSpecified(TypeSpec::kNoThrowNew)) {
exceptions_internal::MaybeThrow(ABSL_PRETTY_FUNCTION, true);
}
return ::operator new[](s, std::forward<Args>(args)...);
@ -581,20 +604,35 @@ class ThrowingValue : private exceptions_internal::TrackedObject {
};
// While not having to do with exceptions, explicitly delete comma operator, to
// make sure we don't use it on user-supplied types.
template <NoThrow N, typename T>
void operator,(const ThrowingValue<N>& ef, T&& t) = delete;
template <NoThrow N, typename T>
void operator,(T&& t, const ThrowingValue<N>& ef) = delete;
template <TypeSpec Spec, typename T>
void operator,(const ThrowingValue<Spec>&, T&&) = delete;
template <TypeSpec Spec, typename T>
void operator,(T&&, const ThrowingValue<Spec>&) = delete;
// An allocator type which is instrumented to throw at a controlled time, or not
// to throw, using NoThrow. The supported settings are the default of every
// function which is allowed to throw in a conforming allocator possibly
// throwing, or nothing throws, in line with the ABSL_ALLOCATOR_THROWS
// configuration macro.
template <typename T, NoThrow Flags = NoThrow::kNone>
/*
* Configuration enum for the ThrowingAllocator type that defines behavior for
* the lifetime of the instance.
*
* kEverythingThrows: Calls to the member functions may throw
* kNoThrowAllocate: Calls to the member functions will not throw
*/
enum class AllocSpec {
kEverythingThrows = 0,
kNoThrowAllocate = 1,
};
/*
* An allocator type which is instrumented to throw at a controlled time, or not
* to throw, using AllocSpec. The supported settings are the default of every
* function which is allowed to throw in a conforming allocator possibly
* throwing, or nothing throws, in line with the ABSL_ALLOCATOR_THROWS
* configuration macro.
*/
template <typename T, AllocSpec Spec = AllocSpec::kEverythingThrows>
class ThrowingAllocator : private exceptions_internal::TrackedObject {
static_assert(Flags == NoThrow::kNone || Flags == NoThrow::kNoThrow,
"Invalid flag");
constexpr static bool IsSpecified(AllocSpec spec) {
return static_cast<bool>(Spec & spec);
}
public:
using pointer = T*;
@ -607,7 +645,8 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
using size_type = size_t;
using difference_type = ptrdiff_t;
using is_nothrow = std::integral_constant<bool, Flags == NoThrow::kNoThrow>;
using is_nothrow =
std::integral_constant<bool, Spec == AllocSpec::kNoThrowAllocate>;
using propagate_on_container_copy_assignment = std::true_type;
using propagate_on_container_move_assignment = std::true_type;
using propagate_on_container_swap = std::true_type;
@ -619,8 +658,7 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
}
template <typename U>
ThrowingAllocator( // NOLINT
const ThrowingAllocator<U, Flags>& other) noexcept
ThrowingAllocator(const ThrowingAllocator<U, Spec>& other) noexcept // NOLINT
: TrackedObject(ABSL_PRETTY_FUNCTION), dummy_(other.State()) {}
// According to C++11 standard [17.6.3.5], Table 28, the move/copy ctors of
@ -629,8 +667,7 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
: TrackedObject(ABSL_PRETTY_FUNCTION), dummy_(other.State()) {}
template <typename U>
ThrowingAllocator( // NOLINT
ThrowingAllocator<U, Flags>&& other) noexcept
ThrowingAllocator(ThrowingAllocator<U, Spec>&& other) noexcept // NOLINT
: TrackedObject(ABSL_PRETTY_FUNCTION), dummy_(std::move(other.State())) {}
ThrowingAllocator(ThrowingAllocator&& other) noexcept
@ -645,29 +682,30 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
template <typename U>
ThrowingAllocator& operator=(
const ThrowingAllocator<U, Flags>& other) noexcept {
const ThrowingAllocator<U, Spec>& other) noexcept {
dummy_ = other.State();
return *this;
}
template <typename U>
ThrowingAllocator& operator=(ThrowingAllocator<U, Flags>&& other) noexcept {
ThrowingAllocator& operator=(ThrowingAllocator<U, Spec>&& other) noexcept {
dummy_ = std::move(other.State());
return *this;
}
template <typename U>
struct rebind {
using other = ThrowingAllocator<U, Flags>;
using other = ThrowingAllocator<U, Spec>;
};
pointer allocate(size_type n) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kNoThrow)) {
IsSpecified(AllocSpec::kNoThrowAllocate)) {
ReadStateAndMaybeThrow(ABSL_PRETTY_FUNCTION);
return static_cast<pointer>(::operator new(n * sizeof(T)));
}
pointer allocate(size_type n, const_void_pointer) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kNoThrow)) {
IsSpecified(AllocSpec::kNoThrowAllocate)) {
return allocate(n);
}
@ -678,7 +716,7 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
template <typename U, typename... Args>
void construct(U* ptr, Args&&... args) noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kNoThrow)) {
IsSpecified(AllocSpec::kNoThrowAllocate)) {
ReadStateAndMaybeThrow(ABSL_PRETTY_FUNCTION);
::new (static_cast<void*>(ptr)) U(std::forward<Args>(args)...);
}
@ -694,23 +732,23 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
}
ThrowingAllocator select_on_container_copy_construction() noexcept(
!exceptions_internal::ThrowingAllowed(Flags, NoThrow::kNoThrow)) {
IsSpecified(AllocSpec::kNoThrowAllocate)) {
auto& out = *this;
ReadStateAndMaybeThrow(ABSL_PRETTY_FUNCTION);
return out;
}
template <typename U>
bool operator==(const ThrowingAllocator<U, Flags>& other) const noexcept {
bool operator==(const ThrowingAllocator<U, Spec>& other) const noexcept {
return dummy_ == other.dummy_;
}
template <typename U>
bool operator!=(const ThrowingAllocator<U, Flags>& other) const noexcept {
bool operator!=(const ThrowingAllocator<U, Spec>& other) const noexcept {
return dummy_ != other.dummy_;
}
template <typename U, NoThrow B>
template <typename, AllocSpec>
friend class ThrowingAllocator;
private:
@ -724,7 +762,7 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
}
void ReadStateAndMaybeThrow(absl::string_view msg) const {
if (exceptions_internal::ThrowingAllowed(Flags, NoThrow::kNoThrow)) {
if (!IsSpecified(AllocSpec::kNoThrowAllocate)) {
exceptions_internal::MaybeThrow(
absl::Substitute("Allocator id $0 threw from $1", *dummy_, msg));
}
@ -734,8 +772,8 @@ class ThrowingAllocator : private exceptions_internal::TrackedObject {
std::shared_ptr<const int> dummy_;
};
template <typename T, NoThrow Throws>
int ThrowingAllocator<T, Throws>::next_id_ = 0;
template <typename T, AllocSpec Spec>
int ThrowingAllocator<T, Spec>::next_id_ = 0;
// Tests for resource leaks by attempting to construct a T using args repeatedly
// until successful, using the countdown method. Side effects can then be
@ -873,7 +911,7 @@ class ExceptionSafetyTester {
* created in order to get an empty Invariants... list.
*
* In addition to passing in custom invariant assertion callbacks, this method
* accepts `absl::strong_guarantee` as an argument which checks T instances
* accepts `testing::strong_guarantee` as an argument which checks T instances
* post-throw against freshly created T instances via operator== to verify
* that any state changes made during the execution of the operation were
* properly rolled back.
@ -934,7 +972,7 @@ class ExceptionSafetyTester {
template <typename, typename, typename...>
friend class ExceptionSafetyTester;
friend ExceptionSafetyTester<> absl::MakeExceptionSafetyTester();
friend ExceptionSafetyTester<> testing::MakeExceptionSafetyTester();
ExceptionSafetyTester() {}
@ -992,6 +1030,6 @@ MakeExceptionSafetyTester() {
return {};
}
} // namespace absl
} // namespace testing
#endif // ABSL_BASE_INTERNAL_EXCEPTION_SAFETY_TESTING_H_

3
absl/debugging/internal/stacktrace_aarch64-inl.inc
View file

@ -14,6 +14,7 @@
#include <cstdint>
#include <iostream>
#include "absl/base/attributes.h"
#include "absl/debugging/internal/address_is_readable.h"
#include "absl/debugging/internal/vdso_support.h" // a no-op on non-elf or non-glibc systems
#include "absl/debugging/stacktrace.h"
@ -24,7 +25,7 @@ static const uintptr_t kUnknownFrameSize = 0;
// Returns the address of the VDSO __kernel_rt_sigreturn function, if present.
static const unsigned char* GetKernelRtSigreturnAddress() {
constexpr uintptr_t kImpossibleAddress = 1;
static std::atomic<uintptr_t> memoized{kImpossibleAddress};
ABSL_CONST_INIT static std::atomic<uintptr_t> memoized{kImpossibleAddress};
uintptr_t address = memoized.load(std::memory_order_relaxed);
if (address != kImpossibleAddress) {
return reinterpret_cast<const unsigned char*>(address);

3
absl/debugging/internal/vdso_support.h
View file

@ -41,6 +41,7 @@
#include <atomic>
#include "absl/base/attributes.h"
#include "absl/debugging/internal/elf_mem_image.h"
#ifdef ABSL_HAVE_ELF_MEM_IMAGE
@ -132,7 +133,7 @@ class VDSOSupport {
// This function pointer may point to InitAndGetCPU,
// GetCPUViaSyscall, or __vdso_getcpu at different stages of initialization.
static std::atomic<GetCpuFn> getcpu_fn_;
ABSL_CONST_INIT static std::atomic<GetCpuFn> getcpu_fn_;
friend int GetCPU(void); // Needs access to getcpu_fn_.

2
absl/time/BUILD.bazel
View file

@ -51,6 +51,7 @@ cc_library(
cc_library(
name = "test_util",
testonly = 1,
srcs = [
"internal/test_util.cc",
"internal/zoneinfo.inc",
@ -64,6 +65,7 @@ cc_library(
":time",
"//absl/base",
"//absl/time/internal/cctz:time_zone",
"@com_google_googletest//:gtest",
],
)

9
absl/time/format_test.cc
View file

@ -155,8 +155,7 @@ TEST(ParseTime, Basics) {
"2013-06-28 19:08:09 -0800", &t, &err))
<< err;
absl::Time::Breakdown bd = t.In(absl::FixedTimeZone(-8 * 60 * 60));
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -8 * 60 * 60, false,
"UTC-8");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -8 * 60 * 60, false);
EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
}
@ -179,8 +178,7 @@ TEST(ParseTime, WithTimeZone) {
absl::ParseTime("%Y-%m-%d %H:%M:%S", "2013-06-28 19:08:09", tz, &t, &e))
<< e;
absl::Time::Breakdown bd = t.In(tz);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -7 * 60 * 60, true,
"PDT");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, -7 * 60 * 60, true);
EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
// But the timezone is ignored when a UTC offset is present.
@ -188,8 +186,7 @@ TEST(ParseTime, WithTimeZone) {
"2013-06-28 19:08:09 +0800", tz, &t, &e))
<< e;
bd = t.In(absl::FixedTimeZone(8 * 60 * 60));
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, 8 * 60 * 60, false,
"UTC+8");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 6, 28, 19, 8, 9, 8 * 60 * 60, false);
EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
}

7
absl/time/internal/test_util.cc
View file

@ -26,6 +26,13 @@ namespace cctz = absl::time_internal::cctz;
namespace absl {
namespace time_internal {
// TODO(bww): Reinstate when the FixedTimeZone() abbreviations are updated.
#if 1 || GTEST_USES_SIMPLE_RE
extern const char kZoneAbbrRE[] = ".*"; // just punt
#else
extern const char kZoneAbbrRE[] = "[A-Za-z]{3,4}|[-+][0-9]{2}([0-9]{2})?";
#endif
TimeZone LoadTimeZone(const std::string& name) {
TimeZone tz;
ABSL_RAW_CHECK(LoadTimeZone(name, &tz), name.c_str());

28
absl/time/internal/test_util.h
View file

@ -17,6 +17,8 @@
#include <string>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/time/time.h"
// This helper is a macro so that failed expectations show up with the
@ -24,22 +26,26 @@
//
// This is for internal testing of the Base Time library itself. This is not
// part of a public API.
#define ABSL_INTERNAL_EXPECT_TIME(bd, y, m, d, h, min, s, off, isdst, zone) \
do { \
EXPECT_EQ(y, bd.year); \
EXPECT_EQ(m, bd.month); \
EXPECT_EQ(d, bd.day); \
EXPECT_EQ(h, bd.hour); \
EXPECT_EQ(min, bd.minute); \
EXPECT_EQ(s, bd.second); \
EXPECT_EQ(off, bd.offset); \
EXPECT_EQ(isdst, bd.is_dst); \
EXPECT_STREQ(zone, bd.zone_abbr); \
#define ABSL_INTERNAL_EXPECT_TIME(bd, y, m, d, h, min, s, off, isdst) \
do { \
EXPECT_EQ(y, bd.year); \
EXPECT_EQ(m, bd.month); \
EXPECT_EQ(d, bd.day); \
EXPECT_EQ(h, bd.hour); \
EXPECT_EQ(min, bd.minute); \
EXPECT_EQ(s, bd.second); \
EXPECT_EQ(off, bd.offset); \
EXPECT_EQ(isdst, bd.is_dst); \
EXPECT_THAT(bd.zone_abbr, \
testing::MatchesRegex(absl::time_internal::kZoneAbbrRE)); \
} while (0)
namespace absl {
namespace time_internal {
// A regular expression that matches all zone abbreviations (%Z).
extern const char kZoneAbbrRE[];
// Loads the named timezone, but dies on any failure.
absl::TimeZone LoadTimeZone(const std::string& name);

4
absl/time/time.cc
View file

@ -71,7 +71,7 @@ inline absl::Time::Breakdown InfiniteFutureBreakdown() {
bd.yearday = 365;
bd.offset = 0;
bd.is_dst = false;
bd.zone_abbr = "-0000";
bd.zone_abbr = "-00";
return bd;
}
@ -88,7 +88,7 @@ inline Time::Breakdown InfinitePastBreakdown() {
bd.yearday = 1;
bd.offset = 0;
bd.is_dst = false;
bd.zone_abbr = "-0000";
bd.zone_abbr = "-00";
return bd;
}

68
absl/time/time_norm_test.cc
View file

@ -18,6 +18,7 @@
#include <cstdint>
#include <limits>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/time/internal/test_util.h"
#include "absl/time/time.h"
@ -32,31 +33,31 @@ TEST(TimeNormCase, SimpleOverflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 33, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 33, 0, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16, 59 + 1, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 17, 0, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 17, 0, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 23 + 1, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 16, 0, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 16, 0, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 30 + 1, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 1, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 1, 16, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 12 + 1, 15, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 15, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 15, 16, 32, 14, 0, false);
}
TEST(TimeNormCase, SimpleUnderflow) {
@ -66,31 +67,31 @@ TEST(TimeNormCase, SimpleUnderflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 31, 59, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 31, 59, 0, false);
tc = ConvertDateTime(2013, 11, 15, 16, 0 - 1, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 15, 59, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 15, 59, 14, 0, false);
tc = ConvertDateTime(2013, 11, 15, 0 - 1, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 14, 23, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 14, 23, 32, 14, 0, false);
tc = ConvertDateTime(2013, 11, 1 - 1, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 10, 31, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 10, 31, 16, 32, 14, 0, false);
tc = ConvertDateTime(2013, 1 - 1, 15, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 12, 15, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 12, 15, 16, 32, 14, 0, false);
}
TEST(TimeNormCase, MultipleOverflow) {
@ -99,7 +100,7 @@ TEST(TimeNormCase, MultipleOverflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 1, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 1, 0, 0, 0, 0, false);
}
TEST(TimeNormCase, MultipleUnderflow) {
@ -108,7 +109,7 @@ TEST(TimeNormCase, MultipleUnderflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 31, 23, 59, 59, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 31, 23, 59, 59, 0, false);
}
TEST(TimeNormCase, OverflowLimits) {
@ -122,7 +123,7 @@ TEST(TimeNormCase, OverflowLimits) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 185085715, 11, 27, 12, 21, 7, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 185085715, 11, 27, 12, 21, 7, 0, false);
const int kintmin = std::numeric_limits<int>::min();
tc = absl::ConvertDateTime(0, kintmin, kintmin, kintmin, kintmin, kintmin,
@ -130,8 +131,7 @@ TEST(TimeNormCase, OverflowLimits) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, -185085717, 10, 31, 10, 37, 52, 0, false,
"UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, -185085717, 10, 31, 10, 37, 52, 0, false);
const int64_t max_year = std::numeric_limits<int64_t>::max();
tc = absl::ConvertDateTime(max_year, 12, 31, 23, 59, 59, utc);
@ -154,31 +154,31 @@ TEST(TimeNormCase, ComplexOverflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 10, 14, 14, 5, 23, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 10, 14, 14, 5, 23, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 + 1234567, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2016, 3, 22, 0, 39, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2016, 3, 22, 0, 39, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16 + 123456, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2027, 12, 16, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2027, 12, 16, 16, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15 + 1234, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 4, 2, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 4, 2, 16, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11 + 123, 15, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2024, 2, 15, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2024, 2, 15, 16, 32, 14, 0, false);
}
TEST(TimeNormCase, ComplexUnderflow) {
@ -189,37 +189,37 @@ TEST(TimeNormCase, ComplexUnderflow) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 2, 28, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 2, 28, 0, 0, 0, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16, 32, 14 - 123456789, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2009, 12, 17, 18, 59, 5, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2009, 12, 17, 18, 59, 5, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 - 1234567, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2011, 7, 12, 8, 25, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2011, 7, 12, 8, 25, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15, 16 - 123456, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 10, 16, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 10, 16, 16, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11, 15 - 1234, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2010, 6, 30, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2010, 6, 30, 16, 32, 14, 0, false);
tc = absl::ConvertDateTime(2013, 11 - 123, 15, 16, 32, 14, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2003, 8, 15, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2003, 8, 15, 16, 32, 14, 0, false);
}
TEST(TimeNormCase, Mishmash) {
@ -231,14 +231,14 @@ TEST(TimeNormCase, Mishmash) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 1991, 5, 9, 3, 6, 5, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1991, 5, 9, 3, 6, 5, 0, false);
tc = absl::ConvertDateTime(2013, 11 + 123, 15 - 1234, 16 + 123456,
32 - 1234567, 14 + 123456789, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2036, 5, 24, 5, 58, 23, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2036, 5, 24, 5, 58, 23, 0, false);
// Here is a normalization case we got wrong for a while. Because the
// day is converted to "1" within a 400-year (146097-day) period, we
@ -247,7 +247,7 @@ TEST(TimeNormCase, Mishmash) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 1613, 11, 1, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1613, 11, 1, 16, 32, 14, 0, false);
// Even though the month overflow compensates for the day underflow,
// this should still be marked as normalized.
@ -255,7 +255,7 @@ TEST(TimeNormCase, Mishmash) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 1, 16, 32, 14, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 1, 16, 32, 14, 0, false);
}
TEST(TimeNormCase, LeapYears) {
@ -266,25 +266,25 @@ TEST(TimeNormCase, LeapYears) {
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
absl::Time::Breakdown bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 3, 1, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 3, 1, 0, 0, 0, 0, false);
tc = absl::ConvertDateTime(2012, 2, 28 + 1, 0, 0, 0, utc);
EXPECT_FALSE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 2, 29, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 2, 29, 0, 0, 0, 0, false);
tc = absl::ConvertDateTime(2000, 2, 28 + 1, 0, 0, 0, utc);
EXPECT_FALSE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 2000, 2, 29, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 2000, 2, 29, 0, 0, 0, 0, false);
tc = absl::ConvertDateTime(1900, 2, 28 + 1, 0, 0, 0, utc);
EXPECT_TRUE(tc.normalized);
EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind);
bd = tc.pre.In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, 1900, 3, 1, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1900, 3, 1, 0, 0, 0, 0, false);
}
// Convert all the days from 1970-1-1 to 1970-1-146097 (aka 2369-12-31)

20
absl/time/time_test.cc
View file

@ -85,7 +85,7 @@ TEST(Time, ValueSemantics) {
TEST(Time, UnixEpoch) {
absl::Time::Breakdown bd = absl::UnixEpoch().In(absl::UTCTimeZone());
ABSL_INTERNAL_EXPECT_TIME(bd, 1970, 1, 1, 0, 0, 0, 0, false, "UTC");
ABSL_INTERNAL_EXPECT_TIME(bd, 1970, 1, 1, 0, 0, 0, 0, false);
EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
EXPECT_EQ(4, bd.weekday); // Thursday
}
@ -96,14 +96,14 @@ TEST(Time, Breakdown) {
// The Unix epoch as seen in NYC.
absl::Time::Breakdown bd = t.In(tz);
ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 19, 0, 0, -18000, false, "EST");
ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 19, 0, 0, -18000, false);
EXPECT_EQ(absl::ZeroDuration(), bd.subsecond);
EXPECT_EQ(3, bd.weekday); // Wednesday
// Just before the epoch.
t -= absl::Nanoseconds(1);
bd = t.In(tz);
ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 18, 59, 59, -18000, false, "EST");
ABSL_INTERNAL_EXPECT_TIME(bd, 1969, 12, 31, 18, 59, 59, -18000, false);
EXPECT_EQ(absl::Nanoseconds(999999999), bd.subsecond);
EXPECT_EQ(3, bd.weekday); // Wednesday
@ -112,7 +112,7 @@ TEST(Time, Breakdown) {
t += absl::Hours(18) + absl::Minutes(30) + absl::Seconds(15) +
absl::Nanoseconds(9);
bd = t.In(tz);
ABSL_INTERNAL_EXPECT_TIME(bd, 1977, 6, 28, 14, 30, 15, -14400, true, "EDT");
ABSL_INTERNAL_EXPECT_TIME(bd, 1977, 6, 28, 14, 30, 15, -14400, true);
EXPECT_EQ(8, bd.subsecond / absl::Nanoseconds(1));
EXPECT_EQ(2, bd.weekday); // Tuesday
}
@ -983,16 +983,18 @@ TEST(Time, ConversionSaturation) {
// Checks how Time::In() saturates on infinities.
absl::Time::Breakdown bd = absl::InfiniteFuture().In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, std::numeric_limits<int64_t>::max(), 12, 31, 23,
59, 59, 0, false, "-0000");
59, 59, 0, false);
EXPECT_EQ(absl::InfiniteDuration(), bd.subsecond);
EXPECT_EQ(4, bd.weekday); // Thursday
EXPECT_EQ(365, bd.yearday);
EXPECT_STREQ("-00", bd.zone_abbr); // artifact of absl::Time::In()
bd = absl::InfinitePast().In(utc);
ABSL_INTERNAL_EXPECT_TIME(bd, std::numeric_limits<int64_t>::min(), 1, 1, 0, 0,
0, 0, false, "-0000");
0, 0, false);
EXPECT_EQ(-absl::InfiniteDuration(), bd.subsecond);
EXPECT_EQ(7, bd.weekday); // Sunday
EXPECT_EQ(1, bd.yearday);
EXPECT_STREQ("-00", bd.zone_abbr); // artifact of absl::Time::In()
// Approach the maximal Time value from below.
t = absl::FromDateTime(292277026596, 12, 4, 15, 30, 6, utc);
@ -1054,13 +1056,11 @@ TEST(Time, ExtendedConversionSaturation) {
// The maximal time converted in each zone.
bd = max.In(syd);
ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 5, 2, 30, 7, 39600, true,
"AEDT");
ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 5, 2, 30, 7, 39600, true);
t = absl::FromDateTime(292277026596, 12, 5, 2, 30, 7, syd);
EXPECT_EQ(max, t);
bd = max.In(nyc);
ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 4, 10, 30, 7, -18000, false,
"EST");
ABSL_INTERNAL_EXPECT_TIME(bd, 292277026596, 12, 4, 10, 30, 7, -18000, false);
t = absl::FromDateTime(292277026596, 12, 4, 10, 30, 7, nyc);
EXPECT_EQ(max, t);

33
absl/types/any_exception_safety_test.cc
View file

@ -20,12 +20,12 @@
#include "gtest/gtest.h"
#include "absl/base/internal/exception_safety_testing.h"
using Thrower = absl::ThrowingValue<>;
using Thrower = testing::ThrowingValue<>;
using NoThrowMoveThrower =
absl::ThrowingValue<absl::NoThrow::kMoveCtor | absl::NoThrow::kMoveAssign>;
testing::ThrowingValue<testing::TypeSpec::kNoThrowMove>;
using ThrowerList = std::initializer_list<Thrower>;
using ThrowerVec = std::vector<Thrower>;
using ThrowingAlloc = absl::ThrowingAllocator<Thrower>;
using ThrowingAlloc = testing::ThrowingAllocator<Thrower>;
using ThrowingThrowerVec = std::vector<Thrower, ThrowingAlloc>;
namespace {
@ -81,30 +81,31 @@ testing::AssertionResult AnyIsEmpty(absl::any* a) {
TEST(AnyExceptionSafety, Ctors) {
Thrower val(1);
absl::TestThrowingCtor<absl::any>(val);
testing::TestThrowingCtor<absl::any>(val);
Thrower copy(val);
absl::TestThrowingCtor<absl::any>(copy);
testing::TestThrowingCtor<absl::any>(copy);
absl::TestThrowingCtor<absl::any>(absl::in_place_type_t<Thrower>(), 1);
testing::TestThrowingCtor<absl::any>(absl::in_place_type_t<Thrower>(), 1);
absl::TestThrowingCtor<absl::any>(absl::in_place_type_t<ThrowerVec>(),
ThrowerList{val});
testing::TestThrowingCtor<absl::any>(absl::in_place_type_t<ThrowerVec>(),
ThrowerList{val});
absl::TestThrowingCtor<absl::any, absl::in_place_type_t<ThrowingThrowerVec>,
ThrowerList, ThrowingAlloc>(
testing::TestThrowingCtor<absl::any,
absl::in_place_type_t<ThrowingThrowerVec>,
ThrowerList, ThrowingAlloc>(
absl::in_place_type_t<ThrowingThrowerVec>(), {val}, ThrowingAlloc());
}
TEST(AnyExceptionSafety, Assignment) {
auto original =
absl::any(absl::in_place_type_t<Thrower>(), 1, absl::no_throw_ctor);
absl::any(absl::in_place_type_t<Thrower>(), 1, testing::no_throw_ctor);
auto any_is_strong = [original](absl::any* ap) {
return testing::AssertionResult(ap->has_value() &&
absl::any_cast<Thrower>(original) ==
absl::any_cast<Thrower>(*ap));
};
auto any_strong_tester = absl::MakeExceptionSafetyTester()
auto any_strong_tester = testing::MakeExceptionSafetyTester()
.WithInitialValue(original)
.WithInvariants(AnyInvariants, any_is_strong);
@ -126,7 +127,7 @@ TEST(AnyExceptionSafety, Assignment) {
return testing::AssertionResult{!ap->has_value()};
};
auto strong_empty_any_tester =
absl::MakeExceptionSafetyTester()
testing::MakeExceptionSafetyTester()
.WithInitialValue(absl::any{})
.WithInvariants(AnyInvariants, empty_any_is_strong);
@ -138,14 +139,14 @@ TEST(AnyExceptionSafety, Assignment) {
#if !defined(ABSL_HAVE_STD_ANY)
TEST(AnyExceptionSafety, Emplace) {
auto initial_val =
absl::any{absl::in_place_type_t<Thrower>(), 1, absl::no_throw_ctor};
auto one_tester = absl::MakeExceptionSafetyTester()
absl::any{absl::in_place_type_t<Thrower>(), 1, testing::no_throw_ctor};
auto one_tester = testing::MakeExceptionSafetyTester()
.WithInitialValue(initial_val)
.WithInvariants(AnyInvariants, AnyIsEmpty);
auto emp_thrower = [](absl::any* ap) { ap->emplace<Thrower>(2); };
auto emp_throwervec = [](absl::any* ap) {
std::initializer_list<Thrower> il{Thrower(2, absl::no_throw_ctor)};
std::initializer_list<Thrower> il{Thrower(2, testing::no_throw_ctor)};
ap->emplace<ThrowerVec>(il);
};
auto emp_movethrower = [](absl::any* ap) {