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#include "iterators.h"
#include "simple_reflection.h"
#include <library/cpp/protobuf/util/ut/common_ut.pb.h>
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/algorithm.h>
using NProtoBuf::TFieldsIterator;
using NProtoBuf::TConstField;
Y_UNIT_TEST_SUITE(Iterators) {
Y_UNIT_TEST(Count) {
const NProtobufUtilUt::TWalkTest proto;
const NProtoBuf::Descriptor* d = proto.GetDescriptor();
TFieldsIterator dbegin(d), dend(d, d->field_count());
size_t steps = 0;
UNIT_ASSERT_EQUAL(dbegin, begin(*d));
UNIT_ASSERT_EQUAL(dend, end(*d));
for (; dbegin != dend; ++dbegin)
++steps;
UNIT_ASSERT_VALUES_EQUAL(steps, d->field_count());
}
Y_UNIT_TEST(RangeFor) {
size_t steps = 0, values = 0;
NProtobufUtilUt::TWalkTest proto;
proto.SetOptStr("yandex");
for (const auto& field : *proto.GetDescriptor()) {
values += TConstField(proto, field).HasValue();
++steps;
}
UNIT_ASSERT_VALUES_EQUAL(steps, proto.GetDescriptor()->field_count());
UNIT_ASSERT_VALUES_EQUAL(values, 1);
}
Y_UNIT_TEST(AnyOf) {
NProtobufUtilUt::TWalkTest proto;
const NProtoBuf::Descriptor* d = proto.GetDescriptor();
TFieldsIterator begin(d), end(d, d->field_count());
UNIT_ASSERT(!AnyOf(begin, end, [&proto](const NProtoBuf::FieldDescriptor* f){
return TConstField(proto, f).HasValue();
}));
proto.SetOptStr("yandex");
UNIT_ASSERT(AnyOf(begin, end, [&proto](const NProtoBuf::FieldDescriptor* f){
return TConstField(proto, f).HasValue();
}));
}
}
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