forked from Green-Sky/tomato
Green Sky
8eb4892b49
6d634674a9 cleanup: Remove old type-ordered event getters. d1d48d1dfc feat: add ngc events 994ffecc6b refactor: Make event dispatch ordered by receive time. 812f931d5f fix: Make sure there's enough space for CONSUME1 in fuzzers. 50f1b30fa9 test: Add fuzz tests to the coverage run. df76f5cf47 chore: Move from gcov to llvm source-based coverage. 072e3beb3f fix: issues with packet broadcast error reporting 6b6718e4d2 cleanup: Make group packet entry creation less error-prone 5b9c420ce1 refactor: packet broadcast functions now return errors af4cb31028 refactor: Use `operator==` for equality tests of `Node_format`. 9592d590cf refactor(test): Slightly nicer C++ interface to tox Random. c66e10fb7a refactor: Minor refactoring of get_close_nodes functions. ebc9643862 fix: don't pass garbage data buffer to packet send functions 32b68cffca cleanup: Some more test cleanups, removing overly smart code. 0426624dcb refactor: Assign malloc return to a local variable first. afc38f2458 test: Add more unit tests for `add_to_list`. 05ce5c1ab9 test: Add "infer" CI check to github, remove from circle. REVERT: 8f0d505f9a feat: add ngc events REVERT: 9b8216e70c refactor: Make event dispatch ordered by receive time. git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 6d634674a929edb0ab70689dcbcb195b3547be13
65 lines
1.7 KiB
C++
65 lines
1.7 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 "crypto_core_test_util.hh"
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namespace {
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using ::testing::Each;
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using ::testing::Eq;
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TEST(CryptoCoreTestUtil, RandomBytesDoesNotTouchZeroSizeArray)
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{
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const Test_Random rng;
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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(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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const Test_Random rng;
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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(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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const Test_Random rng;
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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(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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