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diff --git a/absl/random/internal/mocking_bit_gen_base.h b/absl/random/internal/mocking_bit_gen_base.h
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-//
-// 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_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;
- using generator_type = absl::BitGen;
-
- public:
- // URBG interface
- using result_type = generator_type::result_type;
- static constexpr result_type(min)() { return (generator_type::min)(); }
- 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.
- virtual bool CallImpl(const std::type_info& distr_type, void* dist_args,
- void* result) = 0;
-
- template <typename DistrT, typename ArgTupleT>
- static const std::type_info& GetTypeId() {
- return typeid(std::pair<absl::decay_t<DistrT>, absl::decay_t<ArgTupleT>>);
- }
-
- // Call the generating distribution function.
- // Invoked by DistributionCaller<>::Call<DistT, FormatT>.
- // DistT is the distribution type.
- // 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>...>;
-
- ArgTupleT arg_tuple(std::forward<Args>(args)...);
- auto dist = absl::make_from_tuple<DistrT>(arg_tuple);
-
- distr_result_type result{};
- bool found_match =
- CallImpl(GetTypeId<DistrT, ArgTupleT>(), &arg_tuple, &result);
-
- 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
-ABSL_NAMESPACE_END
-} // namespace absl
-
-#endif // ABSL_RANDOM_INTERNAL_MOCKING_BIT_GEN_BASE_H_