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feat(big): add SBigFromUnsigned, SBigNew, and SBigToBinaryBuffer

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fallenoak 2023-01-29 11:48:18 -06:00 • committed by GitHub
parent 630e6dbb1f
commit 7d5a157162
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48
test/Big.cpp
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@ -1,3 +1,4 @@
#include "storm/Big.hpp"
#include "storm/big/Ops.hpp"
#include "test/Test.hpp"
@ -66,3 +67,50 @@ TEST_CASE("MakeLarge", "[big]") {
REQUIRE(value == 0x1122334400000000);
}
}
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);
}
SECTION("creates bigdata from 0x12345678") {
BigData* num;
SBigNew(&num);
SBigFromUnsigned(num, 0x12345678);
CHECK(num->Primary().Count() == 1);
CHECK(num->Primary()[0] == 0x12345678);
}
}
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);
}
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);
}
}