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feat(big): add SBigDec

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This commit is contained in:
Adam Heinermann 2024-11-15 03:22:16 -08:00 • committed by superp00t
parent 5e776b6db7
commit fac094793a
6 changed files with 97 additions and 50 deletions
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44
test/Big.cpp
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@ -231,6 +231,29 @@ TEST_CASE("SBigCopy", "[big]") {
}
}
TEST_CASE("SBigDec", "[big]") {
BigDataTest a;
BigDataTest b;
SECTION("decrements value by 1") {
SBigFromUnsigned(b, 5);
SBigDec(a, b);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 4);
}
SECTION("decrements from 0") {
SBigFromUnsigned(b, 0);
SBigDec(a, b);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0xFFFFFFFF);
}
}
TEST_CASE("SBigFromBinary", "[big]") {
SECTION("creates bigdata from 0") {
BigData* num;
@ -569,16 +592,10 @@ TEST_CASE("SBigSquare", "[big]") {
}
TEST_CASE("SBigSub", "[big]") {
BigDataTest a, b, c;
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);
@ -587,9 +604,16 @@ TEST_CASE("SBigSub", "[big]") {
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 1);
}
SBigDel(a);
SBigDel(b);
SECTION("subtracts 1 from 0") {
SBigFromUnsigned(b, 0);
SBigFromUnsigned(c, 1);
SBigSub(a, b, c);
CHECK(a->Primary().Count() == 1);
CHECK(a->Primary()[0] == 0xFFFFFFFF);
}
}