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Add get_vote_percentage test.

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GitOrigin-RevId: 87534944b1d1d49623dd5693bd78c295f519dbe7
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levlam 2019-03-05 23:27:21 +03:00
parent f6a3e9037f
commit 4382ceeb01
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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/PollManager.h"
#include "td/utils/logging.h"
#include "td/utils/tests.h"
REGISTER_TESTS(poll);
static void check_vote_percentage(std::vector<td::int32> voter_counts, td::int32 total_count,
std::vector<td::int32> expected) {
auto result = td::PollManager::get_vote_percentage(voter_counts, total_count);
if (result != expected) {
LOG(FATAL) << "Have " << voter_counts << " and " << total_count << ", but received " << result << " instead of "
<< expected;
}
}
TEST(Poll, get_vote_percentage) {
check_vote_percentage({1}, 1, {100});
check_vote_percentage({999}, 999, {100});
check_vote_percentage({0}, 0, {0});
check_vote_percentage({100, 100}, 200, {50, 50});
check_vote_percentage({101, 99}, 200, {50, 50});
check_vote_percentage({102, 98}, 200, {51, 49});
check_vote_percentage({198, 2}, 200, {99, 1});
check_vote_percentage({199, 1}, 200, {99, 1});
check_vote_percentage({200}, 200, {100});
check_vote_percentage({0, 999}, 999, {0, 100});
check_vote_percentage({999, 999}, 999, {100, 100});
check_vote_percentage({499, 599}, 999, {50, 60});
check_vote_percentage({1, 1}, 2, {50, 50});
check_vote_percentage({1, 1, 1}, 3, {33, 33, 33});
check_vote_percentage({1, 1, 1, 1}, 4, {25, 25, 25, 25});
check_vote_percentage({1, 1, 1, 1, 1}, 5, {20, 20, 20, 20, 20});
check_vote_percentage({1, 1, 1, 1, 1, 1}, 6, {16, 16, 16, 16, 16, 16});
check_vote_percentage({1, 1, 1, 1, 1, 1, 1}, 7, {14, 14, 14, 14, 14, 14, 14});
check_vote_percentage({1, 1, 1, 1, 1, 1, 1, 1}, 8, {12, 12, 12, 12, 12, 12, 12, 12});
check_vote_percentage({1, 1, 1, 1, 1, 1, 1, 1, 1}, 9, {11, 11, 11, 11, 11, 11, 11, 11, 11});
check_vote_percentage({1, 1, 1, 1, 1, 1, 2}, 8, {12, 12, 12, 12, 12, 12, 25});
check_vote_percentage({1, 1, 1, 2, 2, 2, 3}, 12, {8, 8, 8, 17, 17, 17, 25});
check_vote_percentage({0, 1, 1, 1, 2, 2, 2, 3}, 12, {0, 8, 8, 8, 17, 17, 17, 25});
check_vote_percentage({9949, 9950, 9999}, 10000, {99, 100, 100});
check_vote_percentage({1234, 2345, 3456, 2841}, 9876,
{12 /* 12.49 */, 24 /* 23.74 */, 35 /* 34.99 */, 29 /* 28.76 */});
check_vote_percentage({1234, 2301, 3500, 2841}, 9876,
{12 /* 12.49 */, 23 /* 23.29 */, 35 /* 35.43 */, 29 /* 28.76 */});
check_vote_percentage({200, 200, 200, 270, 270, 60}, 1200, {17, 17, 17, 22, 22, 5});
check_vote_percentage({200, 200, 200, 270, 270, 60}, 1200, {17, 17, 17, 22, 22, 5});
check_vote_percentage({200, 200, 200, 300, 240, 60}, 1200, {16, 16, 16, 25, 20, 5});
check_vote_percentage({200, 200, 200, 250, 250, 20}, 1120, {18, 18, 18, 22, 22, 2});
check_vote_percentage({200, 200, 200, 250, 250, 40}, 1140, {17, 17, 17, 22, 22, 4});
};