Export of internal Abseil changes

--
d3a10a071226497cd34be0f41cb55449193b7172 by Andy Soffer <asoffer@google.com>:

Removing formatting traits that were only used internally. ON_CALL/EXPECT_CALL do a sufficient job here.

PiperOrigin-RevId: 288342973

--
df8180038ea36a0876a84fdc163d1319a611f9db by Greg Falcon <gfalcon@google.com>:

Add CI testing for alternate options.h settings.

PiperOrigin-RevId: 288323951
GitOrigin-RevId: d3a10a071226497cd34be0f41cb55449193b7172
Change-Id: I26c75a1ededd52dd2c5a4c50e220d0b8a52d5c7c
This commit is contained in:
Abseil Team 2020-01-06 11:41:27 -08:00 committed by Derek Mauro
parent 1de0166368
commit a048203a88
15 changed files with 72 additions and 385 deletions

View file

@ -16,39 +16,14 @@
#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;
@ -61,14 +36,9 @@ 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.
@ -81,10 +51,9 @@ class MockingBitGenBase {
}
// Call the generating distribution function.
// Invoked by DistributionCaller<>::Call<DistT, FormatT>.
// Invoked by DistributionCaller<>::Call<DistT>.
// DistT is the distribution type.
// FormatT is the distribution formatter traits type.
template <typename DistrT, typename FormatT, typename... Args>
template <typename DistrT, 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>...>;
@ -99,18 +68,11 @@ 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