forked from Green-Sky/tomato
565efa4f39
c9cdae001 fix(toxav): remove extra copy of video frame on encode 4f6d4546b test: Improve the fake network library. a2581e700 refactor(toxcore): generate `Friend_Request` and `Dht_Nodes_Response` 2aaa11770 refactor(toxcore): use Tox_Memory in generated events 5c367452b test(toxcore): fix incorrect mutex in tox_scenario_get_time 8f92e710f perf: Add a timed limit of number of cookie requests. 695b6417a test: Add some more simulated network support. 815ae9ce9 test(toxcore): fix thread-safety in scenario framework 6d85c754e test(toxcore): add unit tests for net_crypto 9c22e79cc test(support): add SimulatedEnvironment for deterministic testing f34fcb195 chore: Update windows Dockerfile to debian stable (trixie). ece0e8980 fix(group_moderation): allow validating unsorted sanction list signatures a4fa754d7 refactor: rename struct Packet to struct Net_Packet d6f330f85 cleanup: Fix some warnings from coverity. e206bffa2 fix(group_chats): fix sync packets reverting topics 0e4715598 test: Add new scenario testing framework. 668291f44 refactor(toxcore): decouple Network_Funcs from sockaddr via IP_Port fc4396cef fix: potential division by zero in toxav and unsafe hex parsing 8e8b352ab refactor: Add nullable annotations to struct members. 7740bb421 refactor: decouple net_crypto from DHT 1936d4296 test: add benchmark for toxav audio and video 46bfdc2df fix: correct printf format specifiers for unsigned integers REVERT: 1828c5356 fix(toxav): remove extra copy of video frame on encode git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: c9cdae001341e701fca980c9bb9febfeb95d2902
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include "test_util.hh"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <array>
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#include "../testing/support/public/simulated_environment.hh"
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#include "crypto_core.h"
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namespace {
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using ::testing::Each;
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using ::testing::Eq;
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using tox::test::SimulatedEnvironment;
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TEST(CryptoCoreTestUtil, RandomBytesDoesNotTouchZeroSizeArray)
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{
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SimulatedEnvironment env;
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auto c_rng = env.fake_random().get_c_random();
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std::array<uint8_t, 32> bytes{};
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for (uint32_t i = 0; i < 100; ++i) {
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random_bytes(&c_rng, bytes.data(), 0);
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ASSERT_THAT(bytes, Each(Eq(0x00)));
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}
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}
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TEST(CryptoCoreTestUtil, RandomBytesFillsEntireArray)
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{
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SimulatedEnvironment env;
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auto c_rng = env.fake_random().get_c_random();
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std::array<uint8_t, 32> bytes{};
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for (uint32_t size = 1; size < bytes.size(); ++size) {
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bool const success = [&]() {
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// Try a few times. There ought to be a non-zero byte in our randomness at
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// some point.
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for (uint32_t i = 0; i < 100; ++i) {
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random_bytes(&c_rng, bytes.data(), bytes.size());
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if (bytes[size - 1] != 0x00) {
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return true;
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}
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}
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return false;
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}();
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ASSERT_TRUE(success);
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}
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}
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TEST(CryptoCoreTestUtil, RandomBytesDoesNotBufferOverrun)
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{
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SimulatedEnvironment env;
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auto c_rng = env.fake_random().get_c_random();
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std::array<uint8_t, 32> bytes{};
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// Try a few times. It should never overrun.
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for (uint32_t i = 0; i < 100; ++i) {
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for (uint32_t diff = 1; diff < sizeof(uint64_t); ++diff) {
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bytes = {};
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random_bytes(&c_rng, bytes.data(), bytes.size() - diff);
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// All bytes not in the range we want to write should be 0.
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ASSERT_THAT(std::vector<uint8_t>(bytes.begin() + (bytes.size() - diff), bytes.end()),
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Each(Eq(0x00)));
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}
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}
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}
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} // namespace
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