games/turings-tarpit
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Use an ostringstream for the output and make the test actually confirm the results.

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This commit is contained in:
Zed A. Shaw 2024-08-12 13:33:36 -04:00
parent 38104f60f3
commit 4227ee1cdc
3 changed files with 13 additions and 4 deletions
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3
game_engine.cpp
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@ -121,7 +121,7 @@ void Brainfucker::run(int ticks) {
data[dp] = data[dp] - 1;
break;
case '.':
cout << (char)data.at(dp);
out << (char)data.at(dp);
break;
case ',':
print(ERROR, "Not implemented.\n");
@ -162,7 +162,6 @@ void Brainfucker::reset() {
data.fill(0);
}
GameEngine::GameEngine(int hp) : hit_points(hp) {};
int GameEngine::determine_damage(string &type) {

6
game_engine.hpp
View file

@ -2,14 +2,16 @@
#include <map>
#include <vector>
#include <array>
#include <sstream>
using namespace std;
class Brainfucker {
size_t dp = 0;
size_t ip = 0;
public:
size_t dp = 0;
size_t ip = 0;
ostringstream out;
array<int, 100> data = {};
string code = {};

8
tests/game_engine.cpp
View file

@ -1,5 +1,8 @@
#include <catch2/catch_test_macros.hpp>
#include "../game_engine.hpp"
#include <fmt/core.h>
using namespace fmt;
TEST_CASE("basic brainfuck test", "[brainfuck]") {
Brainfucker bf;
@ -26,11 +29,16 @@ TEST_CASE("basic brainfuck test", "[brainfuck]") {
TEST_CASE("brainfuck loop test", "[brainfuck]") {
Brainfucker bf;
const string expected{"Hello World!\n"};
// this is a hello world program from wikipedia
// but at the end I rewind dp so I can analyze it
string code{"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."};
bf.set_code(code);
bf.run(code.size());
string output = bf.out.str();
REQUIRE(output == expected);
}
TEST_CASE("game engine can start and take hit", "[brainfuck]") {