tomato/toxcore/sort_test.cc
Green Sky 3b6bb15e86 Squashed 'external/toxcore/c-toxcore/' changes from 11ab1d2a723..d9b8fa6098d
d9b8fa6098d fix: Fake broadcast address for 127.x.x.x
aa649165a57 chore: Add code for future netprof TCP testing
9e5693de5ac chore: add to_string functions for netprof enums
52d915e6a90 cleanup: Heap allocate network profile objects
80fabd4a729 feat: Implement Tox network profiler
05abe083cb6 cleanup: Some random cleanups, mostly related to mem.
5cca24513b8 cleanup: Check that onion IP/Port packing worked.
e092ecd1244 cleanup: Use tox memory allocator in some more places.
3cfe41c7587 fix: Avoid `memcpy`-ing structs into onion ping id data.
e32ac001938 fix: Add more information on why the frame was not sent.
ab887003687 fix: Allow TCP connections to fail `connect` calls.
7603170e663 refactor: Use tox memory in group connection allocations.
5bd8a85eb89 cleanup: Align internal logger with external on type of source line.
e9bf524d9e1 cleanup: Add missing `#include` to sort_test.cc.
d10c966b998 feat: Add `to_string` functions for toxencryptsave errors.
7bfd0dc8003 docs: Update the docs for group join functions
380dde9f2ae test: Add more logging to TCP connection constructor.
0f12f384c8c cleanup: Reduce stack frame sizes to below 4096 bytes.
bc43cec0626 chore: Happy new year!
fbe78f1702e cleanup: Add a `TOX_HIDE_DEPRECATED` check to hide deprecated symbols.
44d9da07e77 refactor: Use tox memory for group moderation/pack allocations.
7f26d520168 refactor: Use tox memory in group chats allocations.
2f62f3d0e77 refactor: Use tox Memory for group allocations.
8a968162041 chore: Add dispatch/events headers to bazel export.
2bbfb35abf6 docs: Output the error code string instead of int. in toxav logging
d55d0e4eaef cleanup: Remove redundant code for checking if group exists
2a6dc643338 chore: Upgrade dependencies for websockify.
fc0650601c1 fix: Allow peers to reconnect to group chats using a password

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: d9b8fa6098de6c074038b6664d2572627540b148
2025-01-18 15:53:06 +01:00

81 lines
2.5 KiB
C++

/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2023-2025 The TokTok team.
*/
#include "sort.h"
#include <gtest/gtest.h>
#include <algorithm> // generate, sort
#include <limits>
#include <random>
#include "sort_test_util.hh"
namespace {
TEST(MergeSort, BehavesLikeStdSort)
{
std::mt19937 rng;
// INT_MAX-1 so later we have room to add 1 larger element if needed.
std::uniform_int_distribution<int> dist{
std::numeric_limits<int>::min(), std::numeric_limits<int>::max() - 1};
constexpr auto int_funcs = sort_funcs<int>();
// Test with int arrays.
for (uint32_t i = 1; i < 500; ++i) {
std::vector<int> vec(i);
std::generate(std::begin(vec), std::end(vec), [&]() { return dist(rng); });
auto sorted = vec;
std::sort(sorted.begin(), sorted.end(), std::less<int>());
// If vec was accidentally sorted, add another larger element that almost definitely makes
// it not sorted.
if (vec == sorted) {
int const largest = *std::prev(sorted.end()) + 1;
sorted.push_back(largest);
vec.insert(vec.begin(), largest);
}
ASSERT_NE(vec, sorted);
// Just pass some arbitrary "self" to make sure the callbacks pass it through.
ASSERT_TRUE(merge_sort(vec.data(), vec.size(), &i, &int_funcs));
ASSERT_EQ(vec, sorted);
}
}
TEST(MergeSort, WorksWithNonTrivialTypes)
{
std::mt19937 rng;
std::uniform_int_distribution<int> dist{
std::numeric_limits<int>::min(), std::numeric_limits<int>::max()};
constexpr auto string_funcs = sort_funcs<std::string>();
// Test with std::string arrays.
for (uint32_t i = 1; i < 500; ++i) {
std::vector<std::string> vec(i);
std::generate(std::begin(vec), std::end(vec), [&]() { return std::to_string(dist(rng)); });
auto sorted = vec;
std::sort(sorted.begin(), sorted.end(), std::less<std::string>());
// If vec was accidentally sorted, add another larger element that almost definitely makes
// it not sorted.
if (vec == sorted) {
std::string const largest = "larger than largest int";
sorted.push_back(largest);
vec.insert(vec.begin(), largest);
}
ASSERT_NE(vec, sorted);
// Just pass some arbitrary "self" to make sure the callbacks pass it through.
ASSERT_TRUE(merge_sort(vec.data(), vec.size(), &i, &string_funcs));
ASSERT_EQ(vec, sorted);
}
}
} // namespace