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feat(big): add SBigXor

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Adam Heinermann 2024-11-17 03:28:44 -08:00 • committed by superp00t
parent 6a88f93619
commit da8a663fd7
5 changed files with 63 additions and 0 deletions
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46
test/Big.cpp
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@ -745,3 +745,49 @@ TEST_CASE("SBigToBinaryBuffer", "[big]") {
CHECK(*reinterpret_cast<uint64_t*>(buffer) == 0x123456789ABCDEF0);
}
}
TEST_CASE("SBigXor", "[big]") {
BigDataTest a, b, c;
SECTION("performs bitwise xor on small numbers") {
auto v = GENERATE(
std::make_pair(0UL, 0UL),
std::make_pair(0UL, 123UL),
std::make_pair(41689UL, 786740UL)
);
SBigFromUnsigned(b, v.first);
SBigFromUnsigned(c, v.second);
SBigXor(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == (v.first ^ v.second));
}
SECTION("performs bitwise xor on large number") {
SBigFromStr(b, std::to_string(0xFF00FF00FF00FF00ULL).c_str());
SBigFromStr(c, std::to_string(0xFF00FF00FF00FULL).c_str());
SBigXor(a, b, c);
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xF0F0F0F);
CHECK(a->Primary()[1] == 0xFF0F0F0F);
}
SECTION("performs bitwise xor on huge value") {
uint32_t data[] = { 0xF00DFEEDUL, 0xBA1DUL, 0xBEEBBEEBUL, 0x12345678UL, 0x9ABCDEFUL, 0xDEADCADUL, 0xD011AUL };
SBigFromBinary(b, data, sizeof(data));
SBigFromUnsigned(c, 0x1111111FUL);
SBigXor(a, b, c);
CHECK(a->Primary().Count() == 7);
CHECK(a->Primary()[0] == 0xE11CEFF2);
CHECK(a->Primary()[1] == data[1]);
CHECK(a->Primary()[2] == data[2]);
CHECK(a->Primary()[3] == data[3]);
CHECK(a->Primary()[4] == data[4]);
CHECK(a->Primary()[5] == data[5]);
CHECK(a->Primary()[6] == data[6]);
}
}