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feat(big): add SBigAnd

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Adam Heinermann 2024-11-15 00:57:52 -08:00 • committed by superp00t
parent c42bad55a2
commit 6801b32a99
8 changed files with 111 additions and 0 deletions
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36
test/Big.cpp
View file

@ -92,6 +92,42 @@ TEST_CASE("SBigAdd", "[big]") {
}
}
TEST_CASE("SBigAnd", "[big]") {
BigDataTest a;
BigDataTest b;
BigDataTest c;
SECTION("overwrites output") {
SBigFromUnsigned(a, 123456);
SBigFromUnsigned(b, 0);
SBigFromUnsigned(c, 0);
SBigAnd(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0);
}
SECTION("performs bitwise and on large nums") {
uint8_t data[] = {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 31, 12, 13, 14, 15
};
uint8_t data2[] = {
0, 0, 0, 6, 6, 0, 6, 0, 0, 6, 0xFF, 6, 0, 6, 0
};
SBigFromBinary(b, data, sizeof(data));
SBigFromBinary(c, data2, sizeof(data2));
SBigAnd(a, b, c);
CHECK(a->Primary().Count() == 4);
CHECK(a->Primary()[0] == 0x04000000);
CHECK(a->Primary()[1] == 0x00060004);
CHECK(a->Primary()[2] == 0x041F0200);
CHECK(a->Primary()[3] == 0x00000600);
}
}
TEST_CASE("SBigBitLen", "[big]") {
SECTION("returns bit length of 1") {
BigData* num;

6
test/Test.cpp
View file

@ -1,2 +1,8 @@
#define CATCH_CONFIG_MAIN
#include "test/Test.hpp"
#include "storm/Big.hpp"
BigDataTest::BigDataTest() { SBigNew(&num); }
BigDataTest::~BigDataTest() { SBigDel(num); }

16
test/Test.hpp
View file

@ -1 +1,17 @@
#include "vendor/catch-2.13.10/catch.hpp"
class BigData;
// Fixture for repetitive handling of BigData objects.
struct BigDataTest {
using BigDataPtr=BigData*;
BigData *num;
BigDataTest();
~BigDataTest();
BigData **operator &() { return # }
operator BigDataPtr() const { return num; }
BigData *operator->() const { return num; }
};

36
test/big/Ops.cpp
View file

@ -68,6 +68,42 @@ TEST_CASE("Add", "[big]") {
}
}
TEST_CASE("And", "[big]") {
BigDataTest a;
BigDataTest b;
BigDataTest c;
SECTION("overwrites output") {
SBigFromUnsigned(a, 123456);
SBigFromUnsigned(b, 0);
SBigFromUnsigned(c, 0);
And(a->Primary(), b->Primary(), c->Primary());
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0);
}
SECTION("performs bitwise and on large nums") {
uint8_t data[] = {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 31, 12, 13, 14, 15
};
uint8_t data2[] = {
0, 0, 0, 6, 6, 0, 6, 0, 0, 6, 0xFF, 6, 0, 6, 0
};
SBigFromBinary(b, data, sizeof(data));
SBigFromBinary(c, data2, sizeof(data2));
And(a->Primary(), b->Primary(), c->Primary());
CHECK(a->Primary().Count() == 4);
CHECK(a->Primary()[0] == 0x04000000);
CHECK(a->Primary()[1] == 0x00060004);
CHECK(a->Primary()[2] == 0x041F0200);
CHECK(a->Primary()[3] == 0x00000600);
}
}
TEST_CASE("Compare", "[big]") {
SECTION("compares 0 and 1") {
BigData* a;