diff options
Diffstat (limited to 'absl')
-rw-r--r-- | absl/container/flat_hash_map_test.cc | 35 | ||||
-rw-r--r-- | absl/container/internal/compressed_tuple_test.cc | 4 | ||||
-rw-r--r-- | absl/hash/hash_test.cc | 5 | ||||
-rw-r--r-- | absl/hash/internal/hash.h | 6 | ||||
-rw-r--r-- | absl/random/BUILD.bazel | 1 | ||||
-rw-r--r-- | absl/random/CMakeLists.txt | 2 | ||||
-rw-r--r-- | absl/random/bit_gen_ref.h | 5 | ||||
-rw-r--r-- | absl/random/distribution_format_traits.h | 278 | ||||
-rw-r--r-- | absl/random/distributions.h | 41 | ||||
-rw-r--r-- | absl/random/internal/BUILD.bazel | 1 | ||||
-rw-r--r-- | absl/random/internal/distribution_caller.h | 18 | ||||
-rw-r--r-- | absl/random/internal/mocking_bit_gen_base.h | 42 | ||||
-rw-r--r-- | absl/random/mocking_bit_gen.cc | 1 | ||||
-rw-r--r-- | absl/random/mocking_bit_gen.h | 6 | ||||
-rw-r--r-- | absl/random/mocking_bit_gen_test.cc | 6 | ||||
-rw-r--r-- | absl/strings/BUILD.bazel | 1 | ||||
-rw-r--r-- | absl/strings/CMakeLists.txt | 1 | ||||
-rw-r--r-- | absl/strings/numbers_test.cc | 1 |
18 files changed, 382 insertions, 72 deletions
diff --git a/absl/container/flat_hash_map_test.cc b/absl/container/flat_hash_map_test.cc index fd9c5604..728b693a 100644 --- a/absl/container/flat_hash_map_test.cc +++ b/absl/container/flat_hash_map_test.cc @@ -253,41 +253,6 @@ TEST(FlatHashMap, EraseIf) { } } -#if (defined(ABSL_USES_STD_ANY) || !defined(_LIBCPP_VERSION)) && \ - !defined(__EMSCRIPTEN__) -TEST(FlatHashMap, Any) { - absl::flat_hash_map<int, absl::any> m; - m.emplace(1, 7); - auto it = m.find(1); - ASSERT_NE(it, m.end()); - EXPECT_EQ(7, absl::any_cast<int>(it->second)); - - m.emplace(std::piecewise_construct, std::make_tuple(2), std::make_tuple(8)); - it = m.find(2); - ASSERT_NE(it, m.end()); - EXPECT_EQ(8, absl::any_cast<int>(it->second)); - - m.emplace(std::piecewise_construct, std::make_tuple(3), - std::make_tuple(absl::any(9))); - it = m.find(3); - ASSERT_NE(it, m.end()); - EXPECT_EQ(9, absl::any_cast<int>(it->second)); - - struct H { - size_t operator()(const absl::any&) const { return 0; } - }; - struct E { - bool operator()(const absl::any&, const absl::any&) const { return true; } - }; - absl::flat_hash_map<absl::any, int, H, E> m2; - m2.emplace(1, 7); - auto it2 = m2.find(1); - ASSERT_NE(it2, m2.end()); - EXPECT_EQ(7, it2->second); -} -#endif // (defined(ABSL_USES_STD_ANY) || !defined(_LIBCPP_VERSION)) && - // !defined(__EMSCRIPTEN__) - } // namespace } // namespace container_internal ABSL_NAMESPACE_END diff --git a/absl/container/internal/compressed_tuple_test.cc b/absl/container/internal/compressed_tuple_test.cc index 76bc9213..1dae12db 100644 --- a/absl/container/internal/compressed_tuple_test.cc +++ b/absl/container/internal/compressed_tuple_test.cc @@ -333,10 +333,6 @@ TEST(CompressedTupleTest, AnyElements) { a = 0.5f; EXPECT_EQ(absl::any_cast<float>(x.get<1>()), 0.5); - - // Ensure copy construction work in the face of a type with a universal - // implicit constructor; - CompressedTuple<absl::any> c{}, d(c); // NOLINT } TEST(CompressedTupleTest, Constexpr) { diff --git a/absl/hash/hash_test.cc b/absl/hash/hash_test.cc index 7a9d57f7..f02a537a 100644 --- a/absl/hash/hash_test.cc +++ b/absl/hash/hash_test.cc @@ -460,7 +460,7 @@ struct DummyFooBar { const char* bar = "bar"; h = H::combine_contiguous(std::move(h), foo, 3); h = H::combine_contiguous(std::move(h), bar, 3); - return std::move(h); + return h; } }; @@ -595,7 +595,10 @@ TEST(IsHashableTest, PoisonHash) { EXPECT_FALSE(absl::is_copy_assignable<absl::Hash<X>>::value); EXPECT_FALSE(absl::is_move_assignable<absl::Hash<X>>::value); EXPECT_FALSE(IsHashCallable<X>::value); +#if !defined(__GNUC__) || __GNUC__ < 9 + // This doesn't compile on GCC 9. EXPECT_FALSE(IsAggregateInitializable<absl::Hash<X>>::value); +#endif } #endif // ABSL_META_INTERNAL_STD_HASH_SFINAE_FRIENDLY_ diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h index 2564978a..8639181f 100644 --- a/absl/hash/internal/hash.h +++ b/absl/hash/internal/hash.h @@ -57,7 +57,7 @@ class PiecewiseCombiner; // Internal detail: Large buffers are hashed in smaller chunks. This function // returns the size of these chunks. -constexpr int PiecewiseChunkSize() { return 1024; } +constexpr size_t PiecewiseChunkSize() { return 1024; } // HashStateBase // @@ -951,7 +951,7 @@ H PiecewiseCombiner::add_buffer(H state, const unsigned char* data, // This partial chunk does not fill our existing buffer memcpy(buf_ + position_, data, size); position_ += size; - return std::move(state); + return state; } // Complete the buffer and hash it @@ -970,7 +970,7 @@ H PiecewiseCombiner::add_buffer(H state, const unsigned char* data, // Fill the buffer with the remainder memcpy(buf_, data, size); position_ = size; - return std::move(state); + return state; } // HashStateBase::PiecewiseCombiner::finalize() diff --git a/absl/random/BUILD.bazel b/absl/random/BUILD.bazel index 43ed9840..2585b397 100644 --- a/absl/random/BUILD.bazel +++ b/absl/random/BUILD.bazel @@ -53,6 +53,7 @@ cc_library( "bernoulli_distribution.h", "beta_distribution.h", "discrete_distribution.h", + "distribution_format_traits.h", "distributions.h", "exponential_distribution.h", "gaussian_distribution.h", diff --git a/absl/random/CMakeLists.txt b/absl/random/CMakeLists.txt index 53f1aa5c..46dbc3ef 100644 --- a/absl/random/CMakeLists.txt +++ b/absl/random/CMakeLists.txt @@ -78,6 +78,7 @@ absl_cc_library( ${ABSL_DEFAULT_LINKOPTS} DEPS absl::random_random + absl::strings ) # Internal-only target, do not depend on directly. @@ -167,6 +168,7 @@ absl_cc_library( "bernoulli_distribution.h" "beta_distribution.h" "discrete_distribution.h" + "distribution_format_traits.h" "distributions.h" "exponential_distribution.h" "gaussian_distribution.h" diff --git a/absl/random/bit_gen_ref.h b/absl/random/bit_gen_ref.h index 59591a47..e8771162 100644 --- a/absl/random/bit_gen_ref.h +++ b/absl/random/bit_gen_ref.h @@ -132,7 +132,7 @@ namespace random_internal { template <> struct DistributionCaller<absl::BitGenRef> { - template <typename DistrT, typename... Args> + template <typename DistrT, typename FormatT, typename... Args> static typename DistrT::result_type Call(absl::BitGenRef* gen_ref, Args&&... args) { auto* mock_ptr = gen_ref->mocked_gen_ptr_; @@ -140,7 +140,8 @@ struct DistributionCaller<absl::BitGenRef> { DistrT dist(std::forward<Args>(args)...); return dist(*gen_ref); } else { - return mock_ptr->template Call<DistrT>(std::forward<Args>(args)...); + return mock_ptr->template Call<DistrT, FormatT>( + std::forward<Args>(args)...); } } }; diff --git a/absl/random/distribution_format_traits.h b/absl/random/distribution_format_traits.h new file mode 100644 index 00000000..22b358cc --- /dev/null +++ b/absl/random/distribution_format_traits.h @@ -0,0 +1,278 @@ +// +// Copyright 2018 The Abseil Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +#ifndef ABSL_RANDOM_DISTRIBUTION_FORMAT_TRAITS_H_ +#define ABSL_RANDOM_DISTRIBUTION_FORMAT_TRAITS_H_ + +#include <string> +#include <tuple> +#include <typeinfo> + +#include "absl/meta/type_traits.h" +#include "absl/random/bernoulli_distribution.h" +#include "absl/random/beta_distribution.h" +#include "absl/random/exponential_distribution.h" +#include "absl/random/gaussian_distribution.h" +#include "absl/random/log_uniform_int_distribution.h" +#include "absl/random/poisson_distribution.h" +#include "absl/random/uniform_int_distribution.h" +#include "absl/random/uniform_real_distribution.h" +#include "absl/random/zipf_distribution.h" +#include "absl/strings/str_cat.h" +#include "absl/strings/str_join.h" +#include "absl/strings/string_view.h" +#include "absl/types/span.h" + +namespace absl { +ABSL_NAMESPACE_BEGIN + +struct IntervalClosedClosedTag; +struct IntervalClosedOpenTag; +struct IntervalOpenClosedTag; +struct IntervalOpenOpenTag; + +namespace random_internal { + +// ScalarTypeName defines a preferred hierarchy of preferred type names for +// scalars, and is evaluated at compile time for the specific type +// specialization. +template <typename T> +constexpr const char* ScalarTypeName() { + static_assert(std::is_integral<T>() || std::is_floating_point<T>(), ""); + // clang-format off + return + std::is_same<T, float>::value ? "float" : + std::is_same<T, double>::value ? "double" : + std::is_same<T, long double>::value ? "long double" : + std::is_same<T, bool>::value ? "bool" : + std::is_signed<T>::value && sizeof(T) == 1 ? "int8_t" : + std::is_signed<T>::value && sizeof(T) == 2 ? "int16_t" : + std::is_signed<T>::value && sizeof(T) == 4 ? "int32_t" : + std::is_signed<T>::value && sizeof(T) == 8 ? "int64_t" : + std::is_unsigned<T>::value && sizeof(T) == 1 ? "uint8_t" : + std::is_unsigned<T>::value && sizeof(T) == 2 ? "uint16_t" : + std::is_unsigned<T>::value && sizeof(T) == 4 ? "uint32_t" : + std::is_unsigned<T>::value && sizeof(T) == 8 ? "uint64_t" : + "undefined"; + // clang-format on + + // NOTE: It would be nice to use typeid(T).name(), but that's an + // implementation-defined attribute which does not necessarily + // correspond to a name. We could potentially demangle it + // using, e.g. abi::__cxa_demangle. +} + +// Distribution traits used by DistributionCaller and internal implementation +// details of the mocking framework. +/* +struct DistributionFormatTraits { + // Returns the parameterized name of the distribution function. + static constexpr const char* FunctionName() + // Format DistrT parameters. + static std::string FormatArgs(DistrT& dist); + // Format DistrT::result_type results. + static std::string FormatResults(DistrT& dist); +}; +*/ +template <typename DistrT> +struct DistributionFormatTraits; + +template <typename R> +struct DistributionFormatTraits<absl::uniform_int_distribution<R>> { + using distribution_t = absl::uniform_int_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Uniform"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat("absl::IntervalClosedClosed, ", (d.min)(), ", ", + (d.max)()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::uniform_real_distribution<R>> { + using distribution_t = absl::uniform_real_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Uniform"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat((d.min)(), ", ", (d.max)()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::exponential_distribution<R>> { + using distribution_t = absl::exponential_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Exponential"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat(d.lambda()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::poisson_distribution<R>> { + using distribution_t = absl::poisson_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Poisson"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat(d.mean()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <> +struct DistributionFormatTraits<absl::bernoulli_distribution> { + using distribution_t = absl::bernoulli_distribution; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Bernoulli"; } + + static constexpr const char* FunctionName() { return Name(); } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat(d.p()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::beta_distribution<R>> { + using distribution_t = absl::beta_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Beta"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat(d.alpha(), ", ", d.beta()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::zipf_distribution<R>> { + using distribution_t = absl::zipf_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Zipf"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat(d.k(), ", ", d.v(), ", ", d.q()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::gaussian_distribution<R>> { + using distribution_t = absl::gaussian_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "Gaussian"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrJoin(std::make_tuple(d.mean(), d.stddev()), ", "); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename R> +struct DistributionFormatTraits<absl::log_uniform_int_distribution<R>> { + using distribution_t = absl::log_uniform_int_distribution<R>; + using result_t = typename distribution_t::result_type; + + static constexpr const char* Name() { return "LogUniform"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrJoin(std::make_tuple((d.min)(), (d.max)(), d.base()), ", "); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +template <typename NumType> +struct UniformDistributionWrapper; + +template <typename NumType> +struct DistributionFormatTraits<UniformDistributionWrapper<NumType>> { + using distribution_t = UniformDistributionWrapper<NumType>; + using result_t = NumType; + + static constexpr const char* Name() { return "Uniform"; } + + static std::string FunctionName() { + return absl::StrCat(Name(), "<", ScalarTypeName<NumType>(), ">"); + } + static std::string FormatArgs(const distribution_t& d) { + return absl::StrCat((d.min)(), ", ", (d.max)()); + } + static std::string FormatResults(absl::Span<const result_t> results) { + return absl::StrJoin(results, ", "); + } +}; + +} // namespace random_internal +ABSL_NAMESPACE_END +} // namespace absl + +#endif // ABSL_RANDOM_DISTRIBUTION_FORMAT_TRAITS_H_ diff --git a/absl/random/distributions.h b/absl/random/distributions.h index 7abdfa8f..c1fb6650 100644 --- a/absl/random/distributions.h +++ b/absl/random/distributions.h @@ -55,6 +55,7 @@ #include "absl/base/internal/inline_variable.h" #include "absl/random/bernoulli_distribution.h" #include "absl/random/beta_distribution.h" +#include "absl/random/distribution_format_traits.h" #include "absl/random/exponential_distribution.h" #include "absl/random/gaussian_distribution.h" #include "absl/random/internal/distributions.h" // IWYU pragma: export @@ -125,13 +126,14 @@ Uniform(TagType tag, R lo, R hi) { using gen_t = absl::decay_t<URBG>; using distribution_t = random_internal::UniformDistributionWrapper<R>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; auto a = random_internal::uniform_lower_bound(tag, lo, hi); auto b = random_internal::uniform_upper_bound(tag, lo, hi); if (a > b) return a; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, tag, lo, hi); + distribution_t, format_t>(&urbg, tag, lo, hi); } // absl::Uniform<T>(bitgen, lo, hi) @@ -144,6 +146,7 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references) R lo, R hi) { using gen_t = absl::decay_t<URBG>; using distribution_t = random_internal::UniformDistributionWrapper<R>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; constexpr auto tag = absl::IntervalClosedOpen; auto a = random_internal::uniform_lower_bound(tag, lo, hi); @@ -151,7 +154,7 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references) if (a > b) return a; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, lo, hi); + distribution_t, format_t>(&urbg, lo, hi); } // absl::Uniform(tag, bitgen, lo, hi) @@ -169,14 +172,15 @@ Uniform(TagType tag, using gen_t = absl::decay_t<URBG>; using return_t = typename random_internal::uniform_inferred_return_t<A, B>; using distribution_t = random_internal::UniformDistributionWrapper<return_t>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; auto a = random_internal::uniform_lower_bound<return_t>(tag, lo, hi); auto b = random_internal::uniform_upper_bound<return_t>(tag, lo, hi); if (a > b) return a; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, tag, static_cast<return_t>(lo), - static_cast<return_t>(hi)); + distribution_t, format_t>(&urbg, tag, static_cast<return_t>(lo), + static_cast<return_t>(hi)); } // absl::Uniform(bitgen, lo, hi) @@ -192,6 +196,7 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using return_t = typename random_internal::uniform_inferred_return_t<A, B>; using distribution_t = random_internal::UniformDistributionWrapper<return_t>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; constexpr auto tag = absl::IntervalClosedOpen; auto a = random_internal::uniform_lower_bound<return_t>(tag, lo, hi); @@ -199,8 +204,8 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references) if (a > b) return a; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, static_cast<return_t>(lo), - static_cast<return_t>(hi)); + distribution_t, format_t>(&urbg, static_cast<return_t>(lo), + static_cast<return_t>(hi)); } // absl::Uniform<unsigned T>(bitgen) @@ -212,9 +217,10 @@ typename absl::enable_if_t<!std::is_signed<R>::value, R> // Uniform(URBG&& urbg) { // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = random_internal::UniformDistributionWrapper<R>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg); + distribution_t, format_t>(&urbg); } // ----------------------------------------------------------------------------- @@ -242,9 +248,10 @@ bool Bernoulli(URBG&& urbg, // NOLINT(runtime/references) double p) { using gen_t = absl::decay_t<URBG>; using distribution_t = absl::bernoulli_distribution; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, p); + distribution_t, format_t>(&urbg, p); } // ----------------------------------------------------------------------------- @@ -274,9 +281,10 @@ RealType Beta(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::beta_distribution<RealType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, alpha, beta); + distribution_t, format_t>(&urbg, alpha, beta); } // ----------------------------------------------------------------------------- @@ -306,9 +314,10 @@ RealType Exponential(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::exponential_distribution<RealType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, lambda); + distribution_t, format_t>(&urbg, lambda); } // ----------------------------------------------------------------------------- @@ -337,9 +346,10 @@ RealType Gaussian(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::gaussian_distribution<RealType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, mean, stddev); + distribution_t, format_t>(&urbg, mean, stddev); } // ----------------------------------------------------------------------------- @@ -379,9 +389,10 @@ IntType LogUniform(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::log_uniform_int_distribution<IntType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, lo, hi, base); + distribution_t, format_t>(&urbg, lo, hi, base); } // ----------------------------------------------------------------------------- @@ -409,9 +420,10 @@ IntType Poisson(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::poisson_distribution<IntType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, mean); + distribution_t, format_t>(&urbg, mean); } // ----------------------------------------------------------------------------- @@ -441,9 +453,10 @@ IntType Zipf(URBG&& urbg, // NOLINT(runtime/references) using gen_t = absl::decay_t<URBG>; using distribution_t = typename absl::zipf_distribution<IntType>; + using format_t = random_internal::DistributionFormatTraits<distribution_t>; return random_internal::DistributionCaller<gen_t>::template Call< - distribution_t>(&urbg, hi, q, v); + distribution_t, format_t>(&urbg, hi, q, v); } ABSL_NAMESPACE_END diff --git a/absl/random/internal/BUILD.bazel b/absl/random/internal/BUILD.bazel index 8839078f..d7ad4efe 100644 --- a/absl/random/internal/BUILD.bazel +++ b/absl/random/internal/BUILD.bazel @@ -509,6 +509,7 @@ cc_library( linkopts = ABSL_DEFAULT_LINKOPTS, deps = [ "//absl/random", + "//absl/strings", ], ) diff --git a/absl/random/internal/distribution_caller.h b/absl/random/internal/distribution_caller.h index ae2680dd..02603cf8 100644 --- a/absl/random/internal/distribution_caller.h +++ b/absl/random/internal/distribution_caller.h @@ -31,8 +31,22 @@ namespace random_internal { template <typename URBG> struct DistributionCaller { // Call the provided distribution type. The parameters are expected - // to be explicitly specified. DistrT is the distribution type. - template <typename DistrT, typename... Args> + // to be explicitly specified. + // DistrT is the distribution type. + // FormatT is the formatter type: + // + // struct FormatT { + // using result_type = distribution_t::result_type; + // static std::string FormatCall( + // const distribution_t& distr, + // absl::Span<const result_type>); + // + // static std::string FormatExpectation( + // absl::string_view match_args, + // absl::Span<const result_t> results); + // } + // + template <typename DistrT, typename FormatT, typename... Args> static typename DistrT::result_type Call(URBG* urbg, Args&&... args) { DistrT dist(std::forward<Args>(args)...); return dist(*urbg); diff --git a/absl/random/internal/mocking_bit_gen_base.h b/absl/random/internal/mocking_bit_gen_base.h index acd63872..eeeae9d2 100644 --- a/absl/random/internal/mocking_bit_gen_base.h +++ b/absl/random/internal/mocking_bit_gen_base.h @@ -16,14 +16,39 @@ #ifndef ABSL_RANDOM_INTERNAL_MOCKING_BIT_GEN_BASE_H_ #define ABSL_RANDOM_INTERNAL_MOCKING_BIT_GEN_BASE_H_ +#include <atomic> +#include <deque> +#include <string> #include <typeinfo> #include "absl/random/random.h" +#include "absl/strings/str_cat.h" namespace absl { ABSL_NAMESPACE_BEGIN namespace random_internal { +// MockingBitGenExpectationFormatter is invoked to format unsatisfied mocks +// and remaining results into a description string. +template <typename DistrT, typename FormatT> +struct MockingBitGenExpectationFormatter { + std::string operator()(absl::string_view args) { + return absl::StrCat(FormatT::FunctionName(), "(", args, ")"); + } +}; + +// MockingBitGenCallFormatter is invoked to format each distribution call +// into a description string for the mock log. +template <typename DistrT, typename FormatT> +struct MockingBitGenCallFormatter { + std::string operator()(const DistrT& dist, + const typename DistrT::result_type& result) { + return absl::StrCat( + FormatT::FunctionName(), "(", FormatT::FormatArgs(dist), ") => {", + FormatT::FormatResults(absl::MakeSpan(&result, 1)), "}"); + } +}; + class MockingBitGenBase { template <typename> friend struct DistributionCaller; @@ -36,9 +61,14 @@ class MockingBitGenBase { static constexpr result_type(max)() { return (generator_type::max)(); } result_type operator()() { return gen_(); } + MockingBitGenBase() : gen_(), observed_call_log_() {} virtual ~MockingBitGenBase() = default; protected: + const std::deque<std::string>& observed_call_log() { + return observed_call_log_; + } + // CallImpl is the type-erased virtual dispatch. // The type of dist is always distribution<T>, // The type of result is always distribution<T>::result_type. @@ -51,9 +81,10 @@ class MockingBitGenBase { } // Call the generating distribution function. - // Invoked by DistributionCaller<>::Call<DistT>. + // Invoked by DistributionCaller<>::Call<DistT, FormatT>. // DistT is the distribution type. - template <typename DistrT, typename... Args> + // FormatT is the distribution formatter traits type. + template <typename DistrT, typename FormatT, typename... Args> typename DistrT::result_type Call(Args&&... args) { using distr_result_type = typename DistrT::result_type; using ArgTupleT = std::tuple<absl::decay_t<Args>...>; @@ -68,11 +99,18 @@ class MockingBitGenBase { if (!found_match) { result = dist(gen_); } + + // TODO(asoffer): Forwarding the args through means we no longer need to + // extract them from the from the distribution in formatter traits. We can + // just StrJoin them. + observed_call_log_.push_back( + MockingBitGenCallFormatter<DistrT, FormatT>{}(dist, result)); return result; } private: generator_type gen_; + std::deque<std::string> observed_call_log_; }; // namespace random_internal } // namespace random_internal diff --git a/absl/random/mocking_bit_gen.cc b/absl/random/mocking_bit_gen.cc index 02209115..6bb1e414 100644 --- a/absl/random/mocking_bit_gen.cc +++ b/absl/random/mocking_bit_gen.cc @@ -20,6 +20,7 @@ namespace absl { ABSL_NAMESPACE_BEGIN MockingBitGen::~MockingBitGen() { + for (const auto& del : deleters_) { del(); } diff --git a/absl/random/mocking_bit_gen.h b/absl/random/mocking_bit_gen.h index 246c5b1e..36cef911 100644 --- a/absl/random/mocking_bit_gen.h +++ b/absl/random/mocking_bit_gen.h @@ -109,7 +109,7 @@ class MockingBitGen : public absl::random_internal::MockingBitGenBase { // MockingBitGen::Register // - // Register<DistrT, ArgTupleT> is the main extension point for + // Register<DistrT, FormatT, ArgTupleT> is the main extension point for // extending the MockingBitGen framework. It provides a mechanism to install a // mock expectation for the distribution `distr_t` onto the MockingBitGen // context. @@ -182,10 +182,10 @@ namespace random_internal { template <> struct DistributionCaller<absl::MockingBitGen> { - template <typename DistrT, typename... Args> + template <typename DistrT, typename FormatT, typename... Args> static typename DistrT::result_type Call(absl::MockingBitGen* gen, Args&&... args) { - return gen->template Call<DistrT>(std::forward<Args>(args)...); + return gen->template Call<DistrT, FormatT>(std::forward<Args>(args)...); } }; diff --git a/absl/random/mocking_bit_gen_test.cc b/absl/random/mocking_bit_gen_test.cc index dcf74fd6..f0ffc9ac 100644 --- a/absl/random/mocking_bit_gen_test.cc +++ b/absl/random/mocking_bit_gen_test.cc @@ -66,10 +66,10 @@ TEST(BasicMocking, AllDistributionsAreOverridable) { .WillOnce(Return(0.001)); EXPECT_EQ(absl::Gaussian<double>(gen, 0.0, 1.0), 0.001); - EXPECT_NE(absl::LogUniform<int>(gen, 0, 1000000, 2), 2040); + EXPECT_NE(absl::LogUniform<int>(gen, 0, 1000000, 2), 500000); EXPECT_CALL(absl::MockLogUniform<int>(), Call(gen, 0, 1000000, 2)) - .WillOnce(Return(2040)); - EXPECT_EQ(absl::LogUniform<int>(gen, 0, 1000000, 2), 2040); + .WillOnce(Return(500000)); + EXPECT_EQ(absl::LogUniform<int>(gen, 0, 1000000, 2), 500000); } TEST(BasicMocking, OnDistribution) { diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel index b5547f71..8d0a6b6d 100644 --- a/absl/strings/BUILD.bazel +++ b/absl/strings/BUILD.bazel @@ -412,7 +412,6 @@ cc_test( copts = ABSL_TEST_COPTS, visibility = ["//visibility:private"], deps = [ - ":internal", ":pow10_helper", ":strings", "//absl/base:config", diff --git a/absl/strings/CMakeLists.txt b/absl/strings/CMakeLists.txt index 5366fb65..98101573 100644 --- a/absl/strings/CMakeLists.txt +++ b/absl/strings/CMakeLists.txt @@ -275,7 +275,6 @@ absl_cc_test( ${ABSL_TEST_COPTS} DEPS absl::strings - absl::strings_internal absl::core_headers absl::pow10_helper absl::config diff --git a/absl/strings/numbers_test.cc b/absl/strings/numbers_test.cc index f66d9c36..68229b15 100644 --- a/absl/strings/numbers_test.cc +++ b/absl/strings/numbers_test.cc @@ -40,7 +40,6 @@ #include "absl/random/distributions.h" #include "absl/random/random.h" #include "absl/strings/internal/numbers_test_common.h" -#include "absl/strings/internal/ostringstream.h" #include "absl/strings/internal/pow10_helper.h" #include "absl/strings/str_cat.h" |