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squall/test/Big.cpp
fallenoak 25c2ad06f1
feat(big): add SBigShl
2023-02-03 16:20:07 -06:00

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#include "storm/Big.hpp"
#include "storm/big/Ops.hpp"
#include "test/Test.hpp"
TEST_CASE("Add", "[big]") {
SECTION("adds 0 and 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
uint64_t c = 1;
Add(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("adds 2 and 4") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
uint64_t c = 4;
Add(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 6);
SBigDel(a);
SBigDel(b);
}
SECTION("adds 0xFFFFFFFF and 0xCCCCCCCC") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
uint64_t c = 0xCCCCCCCC;
Add(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xCCCCCCCB);
CHECK(a->Primary()[1] == 0x1);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("Compare", "[big]") {
SECTION("compares 0 and 1") {
BigData* a;
SBigNew(&a);
SBigFromUnsigned(a, 0);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
CHECK(Compare(a->Primary(), b->Primary()) == -1);
SBigDel(a);
SBigDel(b);
}
SECTION("compares 1 and 1") {
BigData* a;
SBigNew(&a);
SBigFromUnsigned(a, 1);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
CHECK(Compare(a->Primary(), b->Primary()) == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("compares 10 and 1") {
BigData* a;
SBigNew(&a);
SBigFromUnsigned(a, 10);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
CHECK(Compare(a->Primary(), b->Primary()) == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("compares 0x1111111111111111 and 0x22222222") {
BigData* a;
SBigNew(&a);
uint64_t data = 0x1111111111111111;
SBigFromBinary(a, reinterpret_cast<uint8_t*>(&data), sizeof(data));
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0x22222222);
CHECK(Compare(a->Primary(), b->Primary()) == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("compares 0x11111111 and 0x2222222222222222") {
BigData* a;
SBigNew(&a);
SBigFromUnsigned(a, 0x11111111);
BigData* b;
SBigNew(&b);
uint64_t data = 0x2222222222222222;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&data), sizeof(data));
CHECK(Compare(a->Primary(), b->Primary()) == -1);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("Div", "[big]") {
SECTION("divides 2 by 1") {
BigData* a;
SBigNew(&a);
uint32_t b;
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 2);
uint64_t d = 1;
Div(a->Primary(), &b, c->Primary(), d);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 2);
CHECK(b == 0);
SBigDel(a);
SBigDel(c);
}
SECTION("divides 5 by 2") {
BigData* a;
SBigNew(&a);
uint32_t b;
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 5);
uint64_t d = 2;
Div(a->Primary(), &b, c->Primary(), d);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 2);
CHECK(b == 1);
SBigDel(a);
SBigDel(c);
}
SECTION("divides 7 by 4") {
BigData* a;
SBigNew(&a);
uint32_t b;
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 7);
uint64_t d = 4;
Div(a->Primary(), &b, c->Primary(), d);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
CHECK(b == 3);
SBigDel(a);
SBigDel(c);
}
SECTION("divides 0x9999444488885555 by 0x2222") {
BigData* a;
SBigNew(&a);
uint32_t b;
BigData* c;
SBigNew(&c);
uint64_t c_ = 0x9999444488885555;
SBigFromBinary(c, reinterpret_cast<uint8_t*>(&c_), sizeof(c_));
uint64_t d = 0x2222;
Div(a->Primary(), &b, c->Primary(), d);
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0x00040002);
CHECK(a->Primary()[1] == 0x48002);
CHECK(b == 0x1111);
SBigDel(a);
SBigDel(c);
}
SECTION("divides 0x9999444488885555 by 0xFFFFFFFF") {
BigData* a;
SBigNew(&a);
uint32_t b;
BigData* c;
SBigNew(&c);
uint64_t c_ = 0x9999444488885555;
SBigFromBinary(c, reinterpret_cast<uint8_t*>(&c_), sizeof(c_));
uint64_t d = 0xFFFFFFFF;
Div(a->Primary(), &b, c->Primary(), d);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0x99994445);
CHECK(b == 0x2221999A);
SBigDel(a);
SBigDel(c);
}
}
TEST_CASE("ExtractLowPart", "[big]") {
SECTION("extracts low part of 0") {
uint64_t value = 0;
auto low = ExtractLowPart(value);
REQUIRE(low == 0);
REQUIRE(value == 0);
}
SECTION("extracts low part of 0x12345678") {
uint64_t value = 0x12345678;
auto low = ExtractLowPart(value);
REQUIRE(low == 0x12345678);
REQUIRE(value == 0);
}
SECTION("extracts low part of 0xAAAABBBBCCCCDDDD") {
uint64_t value = 0xAAAABBBBCCCCDDDD;
auto low = ExtractLowPart(value);
REQUIRE(low == 0xCCCCDDDD);
REQUIRE(value == 0xAAAABBBB);
}
}
TEST_CASE("ExtractLowPartLargeSum", "[big]") {
SECTION("extracts low part after adding 2 and 4") {
uint64_t value = 2;
uint64_t add = 4;
auto low = ExtractLowPartLargeSum(value, add);
CHECK(low == 6);
CHECK(value == 0);
}
SECTION("extracts low part after adding 0x1111111122222222 and 0x3333333344444444") {
uint64_t value = 0x1111111122222222;
uint64_t add = 0x3333333344444444;
auto low = ExtractLowPartLargeSum(value, add);
CHECK(low == 0x66666666);
CHECK(value == 0x44444444);
}
SECTION("extracts low part after adding 0xCCCCCCCCCCCCCCCC and 0x5555555555555555") {
uint64_t value = 0xCCCCCCCCCCCCCCCC;
uint64_t add = 0x5555555555555555;
auto low = ExtractLowPartLargeSum(value, add);
CHECK(low == 0x22222221);
CHECK(value == 0x122222222);
}
SECTION("extracts low part after adding 0xFFFFFFFFFFFFFFFF and 0") {
uint64_t value = 0xFFFFFFFFFFFFFFFF;
uint64_t add = 0;
auto low = ExtractLowPartLargeSum(value, add);
CHECK(low == 0xFFFFFFFF);
CHECK(value == 0xFFFFFFFF);
}
SECTION("extracts low part after adding 0xFFFFFFFFFFFFFFFF and 0xFFFFFFFFFFFFFFFF") {
uint64_t value = 0xFFFFFFFFFFFFFFFF;
uint64_t add = 0xFFFFFFFFFFFFFFFF;
auto low = ExtractLowPartLargeSum(value, add);
CHECK(low == 0xFFFFFFFE);
CHECK(value == 0x1FFFFFFFF);
}
}
TEST_CASE("ExtractLowPartSx", "[big]") {
SECTION("extracts low part of 0") {
uint64_t value = 0;
auto low = ExtractLowPartSx(value);
REQUIRE(low == 0);
REQUIRE(value == 0);
}
SECTION("extracts low part of 0x12345678") {
uint64_t value = 0x12345678;
auto low = ExtractLowPartSx(value);
REQUIRE(low == 0x12345678);
REQUIRE(value == 0);
}
SECTION("extracts low part of 0xAAAABBBBCCCCDDDD") {
uint64_t value = 0xAAAABBBBCCCCDDDD;
auto low = ExtractLowPartSx(value);
REQUIRE(low == 0xCCCCDDDD);
REQUIRE(value == 0xFFFFFFFFAAAABBBB);
}
}
TEST_CASE("HighBitPos", "[big]") {
SECTION("returns position of high bit for 0") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0);
CHECK(HighBitPos(num->Primary()) == 0);
SBigDel(num);
}
SECTION("returns position of high bit for 0x1000") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x1000);
CHECK(HighBitPos(num->Primary()) == 12);
SBigDel(num);
}
SECTION("returns position of high bit for 0x1111") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x1111);
CHECK(HighBitPos(num->Primary()) == 12);
SBigDel(num);
}
SECTION("returns position of high bit for 0xFFFF") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0xFFFF);
CHECK(HighBitPos(num->Primary()) == 15);
SBigDel(num);
}
SECTION("returns position of high bit for 0xFFFFFFFF") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0xFFFFFFFF);
CHECK(HighBitPos(num->Primary()) == 31);
SBigDel(num);
}
SECTION("returns position of high bit for 0x123456789ABCDEF0") {
BigData* num;
SBigNew(&num);
uint64_t data = 0x123456789ABCDEF0;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&data), sizeof(data));
CHECK(HighBitPos(num->Primary()) == 60);
SBigDel(num);
}
}
TEST_CASE("InsertLowPart", "[big]") {
SECTION("inserts low part 0xABCD1111 into value 0") {
uint64_t value = 0;
uint32_t low = 0xABCD1111;
InsertLowPart(value, low);
CHECK(value == 0xABCD1111);
}
SECTION("inserts low part 0xABCD1111 into value 0xCCCCCCCC") {
uint64_t value = 0xCCCCCCCC;
uint32_t low = 0xABCD1111;
InsertLowPart(value, low);
CHECK(value == 0xCCCCCCCCABCD1111);
}
SECTION("inserts low part 0x12345678 into value 0xA0B1C2D3E4F5A6B7") {
uint64_t value = 0xA0B1C2D3E4F5A6B7;
uint32_t low = 0x12345678;
InsertLowPart(value, low);
CHECK(value == 0xE4F5A6B712345678);
}
}
TEST_CASE("Mul", "[big]") {
SECTION("multiplies 0 and 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
uint64_t c = 1;
Mul(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("multiplies 2 and 4") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
uint64_t c = 4;
Mul(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 8);
SBigDel(a);
SBigDel(b);
}
SECTION("multiplies 0xFFFFFFFF and 0x100") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
uint64_t c = 0x100;
Mul(a->Primary(), b->Primary(), c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xFFFFFF00);
CHECK(a->Primary()[1] == 0xFF);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("MakeLarge", "[big]") {
SECTION("creates uint64_t out of 0xAABBCCDD and 0x11223344") {
uint64_t value = MakeLarge(0xAABBCCDD, 0x11223344);
REQUIRE(value == 0x11223344AABBCCDD);
}
SECTION("creates uint64_t out of 0 and 0x11223344") {
uint64_t value = MakeLarge(0x00000000, 0x11223344);
REQUIRE(value == 0x1122334400000000);
}
}
TEST_CASE("SBigAdd", "[big]") {
SECTION("adds 0 and 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 1);
SBigAdd(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("adds 1 and 2") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 2);
SBigAdd(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 3);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("adds 0x12345678 and 0x23456789") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0x12345678);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 0x23456789);
SBigAdd(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0x3579BE01);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("adds 0xFFFFFFFF and 0xF0F0F0F0") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 0xF0F0F0F0);
SBigAdd(a, b, c);
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xF0F0F0EF);
CHECK(a->Primary()[1] == 0x1);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
}
TEST_CASE("SBigBitLen", "[big]") {
SECTION("returns bit length of 1") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 1);
uint32_t len;
SBigBitLen(num, &len);
CHECK(len == 1);
SBigDel(num);
}
SECTION("returns bit length of 5") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 5);
uint32_t len;
SBigBitLen(num, &len);
CHECK(len == 3);
SBigDel(num);
}
SECTION("returns bit length of 0xFFFF") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0xFFFF);
uint32_t len;
SBigBitLen(num, &len);
CHECK(len == 16);
SBigDel(num);
}
SECTION("returns bit length of 0xFFFFFFFF") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0xFFFFFFFF);
uint32_t len;
SBigBitLen(num, &len);
CHECK(len == 32);
SBigDel(num);
}
SECTION("returns bit length of 0x22222222AAAAAAAA") {
BigData* num;
SBigNew(&num);
uint64_t num_ = 0x22222222AAAAAAAA;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&num_), sizeof(num_));
uint32_t len;
SBigBitLen(num, &len);
CHECK(len == 62);
SBigDel(num);
}
}
TEST_CASE("SBigCompare", "[big]") {
SECTION("compares 10 and 1") {
BigData* a;
SBigNew(&a);
SBigFromUnsigned(a, 10);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
CHECK(SBigCompare(a, b) == 1);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("SBigFromBinary", "[big]") {
SECTION("creates bigdata from 0") {
BigData* num;
SBigNew(&num);
uint32_t data = 0;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&data), sizeof(data));
CHECK(num->Primary().Count() == 1);
CHECK(num->Primary()[0] == 0);
SBigDel(num);
}
SECTION("creates bigdata from 0x123456789ABCDEF0") {
BigData* num;
SBigNew(&num);
uint64_t data = 0x123456789ABCDEF0;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&data), sizeof(data));
CHECK(num->Primary().Count() == 2);
CHECK(num->Primary()[0] == 0x9ABCDEF0);
CHECK(num->Primary()[1] == 0x12345678);
SBigDel(num);
}
}
TEST_CASE("SBigFromUnsigned", "[big]") {
SECTION("creates bigdata from 0") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0);
CHECK(num->Primary().Count() == 1);
CHECK(num->Primary()[0] == 0);
SBigDel(num);
}
SECTION("creates bigdata from 0x12345678") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x12345678);
CHECK(num->Primary().Count() == 1);
CHECK(num->Primary()[0] == 0x12345678);
SBigDel(num);
}
}
TEST_CASE("SBigMul", "[big]") {
SECTION("multiplies 0 and 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 1);
SBigMul(a, b, c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("multiplies 2 and 4") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 4);
SBigMul(a, b, c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 8);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("multiplies 0xFFFFFFFF and 0x100") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 0x100);
SBigMul(a, b, c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xFFFFFF00);
CHECK(a->Primary()[1] == 0xFF);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
SECTION("multiplies 0xFFFFFF and 0x11223344") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFF);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 0x11223344);
SBigMul(a, b, c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0x32DDCCBC);
CHECK(a->Primary()[1] == 0x112233);
SBigDel(a);
SBigDel(b);
SBigDel(c);
}
}
TEST_CASE("SBigShl", "[big]") {
SECTION("shifts 256 left 7 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 256);
SBigShl(a, b, 7);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 32768);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("SBigShr", "[big]") {
SECTION("shifts 256 right 7 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 256);
SBigShr(a, b, 7);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 2);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("SBigSquare", "[big]") {
SECTION("squares 0xFFFFFFFF") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
SBigSquare(a, b);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0x1);
CHECK(a->Primary()[1] == 0xFFFFFFFE);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("SBigSub", "[big]") {
SECTION("subtracts 1 from 2") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 1);
SBigSub(a, b, c);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("SBigToBinaryBuffer", "[big]") {
SECTION("returns expected buffer for bigdata representing 0") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0);
uint8_t buffer[4];
uint32_t bytes;
SBigToBinaryBuffer(num, buffer, sizeof(buffer), &bytes);
REQUIRE(bytes == 0);
SBigDel(num);
}
SECTION("returns expected buffer for bigdata representing 0x12345678") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x12345678);
uint8_t buffer[4];
uint32_t bytes;
SBigToBinaryBuffer(num, buffer, sizeof(buffer), &bytes);
CHECK(bytes == 4);
CHECK(*reinterpret_cast<uint32_t*>(buffer) == 0x12345678);
SBigDel(num);
}
SECTION("returns expected buffer for bigdata representing 0x123456789ABCDEF0") {
BigData* num;
SBigNew(&num);
uint64_t data = 0x123456789ABCDEF0;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&data), sizeof(data));
uint8_t buffer[8];
uint32_t bytes;
SBigToBinaryBuffer(num, buffer, sizeof(buffer), &bytes);
CHECK(bytes == 8);
CHECK(*reinterpret_cast<uint64_t*>(buffer) == 0x123456789ABCDEF0);
SBigDel(num);
}
}
TEST_CASE("SetOne", "[big]") {
SECTION("sets buffer to one") {
BigData* num;
SBigNew(&num);
uint64_t data = 0x123456789ABCDEF0;
SBigFromBinary(num, reinterpret_cast<uint8_t*>(&data), sizeof(data));
CHECK(num->Primary().Count() == 2);
SetOne(num->Primary());
CHECK(num->Primary().Count() == 1);
CHECK(num->Primary()[0] == 1);
SBigDel(num);
}
}
TEST_CASE("SetZero", "[big]") {
SECTION("sets buffer to zero") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x12345678);
CHECK(num->Primary().Count() == 1);
SetZero(num->Primary());
CHECK(num->Primary().Count() == 0);
SBigDel(num);
}
}
TEST_CASE("Shl", "[big]") {
SECTION("shifts 0 left 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
Shl(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 1 left 0 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
Shl(a->Primary(), b->Primary(), 0);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 1 left 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
Shl(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 2);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 2 left 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
Shl(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 4);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 256 left 7 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 256);
Shl(a->Primary(), b->Primary(), 7);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 32768);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 0xFFFFFFFF left 10 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0xFFFFFFFF;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Shl(a->Primary(), b->Primary(), 10);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xFFFFFC00);
CHECK(a->Primary()[1] == 0x3FF);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 0x1000000000000000 left 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x1000000000000000;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Shl(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0);
CHECK(a->Primary()[1] == 0x20000000);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 0x1000000000000000 left 16 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x1000000000000000;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Shl(a->Primary(), b->Primary(), 16);
a->Primary().Trim();
CHECK(a->Primary().Count() == 3);
CHECK(a->Primary()[0] == 0);
CHECK(a->Primary()[1] == 0);
CHECK(a->Primary()[2] == 0x1000);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("Shr", "[big]") {
SECTION("shifts 0 right 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
Shr(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 1 right 0 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
Shr(a->Primary(), b->Primary(), 0);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 1 right 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
Shr(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 2 right 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
Shr(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 2 right 1 bit") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
Shr(a->Primary(), b->Primary(), 1);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 256 right 7 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 256);
Shr(a->Primary(), b->Primary(), 7);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 2);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 0x1000000000000000 right 2 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x1000000000000000;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Shr(a->Primary(), b->Primary(), 2);
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0);
CHECK(a->Primary()[1] == 0x4000000);
SBigDel(a);
SBigDel(b);
}
SECTION("shifts 0x1000000000000000 right 32 bits") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x1000000000000000;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Shr(a->Primary(), b->Primary(), 32);
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0x10000000);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("Square", "[big]") {
SECTION("squares 0") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0);
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 0);
SBigDel(a);
SBigDel(b);
}
SECTION("squares 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("squares 2") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 4);
SBigDel(a);
SBigDel(b);
}
SECTION("squares 2") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 4);
SBigDel(a);
SBigDel(b);
}
SECTION("squares 0xFFFFFFFF") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 0xFFFFFFFF);
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0x1);
CHECK(a->Primary()[1] == 0xFFFFFFFE);
SBigDel(a);
SBigDel(b);
}
SECTION("squares 0x1111111111111111") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x1111111111111111;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
Square(a->Primary(), b->Primary(), a->Stack());
a->Primary().Trim();
CHECK(a->Primary().Count() == 4);
CHECK(a->Primary()[0] == 0x87654321);
CHECK(a->Primary()[1] == 0xfedcba9);
CHECK(a->Primary()[2] == 0x89abcdf0);
CHECK(a->Primary()[3] == 0x1234567);
SBigDel(a);
SBigDel(b);
}
}
TEST_CASE("Sub", "[big]") {
SECTION("subtracts 0 from 1") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 1);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 0);
Sub(a->Primary(), b->Primary(), c->Primary());
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("subtracts 1 from 2") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
SBigFromUnsigned(b, 2);
BigData* c;
SBigNew(&c);
SBigFromUnsigned(c, 1);
Sub(a->Primary(), b->Primary(), c->Primary());
a->Primary().Trim();
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
SBigDel(a);
SBigDel(b);
}
SECTION("subtracts 0x1111111111111111 from 0x9999999999999999") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0x9999999999999999;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
BigData* c;
SBigNew(&c);
uint64_t c_ = 0x1111111111111111;
SBigFromBinary(c, reinterpret_cast<uint8_t*>(&c_), sizeof(c_));
Sub(a->Primary(), b->Primary(), c->Primary());
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0x88888888);
CHECK(a->Primary()[1] == 0x88888888);
SBigDel(a);
SBigDel(b);
}
SECTION("subtracts 0x123456789ABCDEF0 from 0xFEDCBA9876543210") {
BigData* a;
SBigNew(&a);
BigData* b;
SBigNew(&b);
uint64_t b_ = 0xFEDCBA9876543210;
SBigFromBinary(b, reinterpret_cast<uint8_t*>(&b_), sizeof(b_));
BigData* c;
SBigNew(&c);
uint64_t c_ = 0x123456789ABCDEF0;
SBigFromBinary(c, reinterpret_cast<uint8_t*>(&c_), sizeof(c_));
Sub(a->Primary(), b->Primary(), c->Primary());
a->Primary().Trim();
CHECK(a->Primary().Count() == 2);
CHECK(a->Primary()[0] == 0xDB975320);
CHECK(a->Primary()[1] == 0xECA8641F);
SBigDel(a);
SBigDel(b);
}
}
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