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#include "utils.h"
#include "definitions.h"
#include <catch2/catch_test_macros.hpp>
TEST_CASE("Parse arbitrary fields # one", "[utils]")
{
int tag, index, offset;
int address = 0b0001010101;
get_cache_fields(address, &tag, &index, &offset);
CHECK(tag == 0b000);
CHECK(index == 0b10101);
CHECK(offset == 0b01);
}
TEST_CASE("Parse arbitrary fields # two", "[utils]")
{
int tag, index, offset;
int address = 0b0100111011;
get_cache_fields(address, &tag, &index, &offset);
CHECK(tag == 0b010);
CHECK(index == 0b01110);
CHECK(offset == 0b11);
}
TEST_CASE("wrap address outside upper bound", "[utils]")
{
int address = MEM_WORDS + 25;
int wrapped = wrap_address(address);
REQUIRE(wrapped == 25);
}
TEST_CASE("wrap address inside upper bound", "[utils]")
{
int address = MEM_WORDS - 25;
int wrapped = wrap_address(address);
REQUIRE(wrapped == MEM_WORDS - 25);
}
TEST_CASE("wrap address at upper bound", "[utils]")
{
int address = MEM_WORDS;
int wrapped = wrap_address(address);
REQUIRE(wrapped == 0);
}
TEST_CASE("wrap address lower than 0 with magnitude lesser than mem size", "[utils]")
{
int address = -10;
int wrapped = wrap_address(address);
REQUIRE(wrapped == MEM_WORDS - 10);
}
TEST_CASE("wrap address lower than 0 but with magnitude greater than mem size", "[utils]")
{
int address = -(MEM_WORDS + 10);
int wrapped = wrap_address(address);
REQUIRE(wrapped == MEM_WORDS - 10);
}
TEST_CASE("wrap address at 0", "[utils]")
{
int address = 0;
int wrapped = wrap_address(address);
REQUIRE(wrapped == 0);
}
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