thunderbrewhq/squall
1
0
Fork 0
mirror of https://github.com/thunderbrewhq/squall.git synced 2025-12-12 02:22:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

feat(big): add 64-bit-centric ops

Browse source
This commit is contained in:
fallenoak 2023-01-23 22:10:24 -06:00 • committed by GitHub
parent 23fb94c19d
commit d3fd03d67e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 105 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

68
test/Big.cpp Normal file
View file

@ -0,0 +1,68 @@
#include "storm/big/Ops.hpp"
#include "test/Test.hpp"
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("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("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);
}
}