106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
#include "gtest/gtest.h"
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#include "../src/machine.h"
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#include "../src/program.h"
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#include "../src/opcode/handler/stack-opcode-handler.h"
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#include <memory>
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#include <vector>
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using namespace std;
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const uint8_t IMMEDIATE = 0xA2;
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const uint8_t ZERO_PAGE = 0xA6;
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const uint8_t ZERO_PAGE_Y = 0xB6;
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const uint8_t ABSOLUTE = 0xAE;
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const uint8_t ABSOLUTE_Y = 0xBE;
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unique_ptr<Machine> ldxt_get_machine(shared_ptr<vector<uint8_t>> code) {
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auto program = make_shared<Program>(Program(code));
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auto machine = make_unique<Machine>(Machine(program));
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return machine;
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}
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TEST(LdxOpcodeHandler, Immediate) {
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auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{IMMEDIATE, 36});
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auto machine = ldxt_get_machine(code);
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auto reg_man = machine->get_reg_man();
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auto x_reg = reg_man->get_x_index();
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ASSERT_EQ(0, x_reg->get_value());
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machine->execute();
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ASSERT_EQ(36, x_reg->get_value());
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}
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TEST(LdxOpcodeHandler, ZeroPage) {
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auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{ZERO_PAGE, 123});
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auto machine = ldxt_get_machine(code);
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auto reg_man = machine->get_reg_man();
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auto x_reg = reg_man->get_x_index();
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ASSERT_EQ(0, x_reg->get_value());
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machine->get_memory()->set_byte_at(123, 78);
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machine->execute();
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ASSERT_EQ(78, x_reg->get_value());
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}
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TEST(LdxOpcodeHandler, ZeroPageY) {
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auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{ZERO_PAGE_Y, 250});
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auto machine = ldxt_get_machine(code);
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auto reg_man = machine->get_reg_man();
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auto x_reg = reg_man->get_x_index();
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auto y_reg = reg_man->get_y_index();
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ASSERT_EQ(0, x_reg->get_value());
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ASSERT_EQ(0, y_reg->get_value());
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machine->get_memory()->set_byte_at(250, 255);
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machine->execute();
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ASSERT_EQ(255, x_reg->get_value());
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reg_man->get_y_index()->set_value(100);
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reg_man->get_program_counter()->set_value(0);
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machine->execute();
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ASSERT_EQ(0, x_reg->get_value());
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machine->get_memory()->set_byte_at(350, 233);
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reg_man->get_program_counter()->set_value(0);
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machine->execute();
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ASSERT_EQ(233, x_reg->get_value());
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}
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TEST(LdxOpcodeHandler, Absolute) {
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auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{ABSOLUTE, 0xe5, 0xff});
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auto machine = ldxt_get_machine(code);
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auto reg_man = machine->get_reg_man();
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auto x_reg = reg_man->get_x_index();
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ASSERT_EQ(0, x_reg->get_value());
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machine->get_memory()->set_byte_at(0xffe5, 0xde);
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machine->execute();
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ASSERT_EQ(0xde, x_reg->get_value());
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}
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TEST(LdxOpcodeHandler, AbsoluteY) {
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auto code = make_shared<vector<uint8_t>>(vector<uint8_t>{ABSOLUTE_Y, 0x33, 0xc2});
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auto machine = ldxt_get_machine(code);
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auto reg_man = machine->get_reg_man();
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auto x_reg = reg_man->get_x_index();
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auto y_reg = reg_man->get_y_index();
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ASSERT_EQ(0, x_reg->get_value());
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ASSERT_EQ(0, y_reg->get_value());
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machine->get_memory()->set_byte_at(0xc233, 0xc8);
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machine->execute();
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ASSERT_EQ(0xc8, x_reg->get_value());
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y_reg->set_value(0x55);
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machine->get_memory()->set_byte_at(0xc233 + 0x55, 0xab);
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reg_man->get_program_counter()->set_value(0);
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machine->execute();
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ASSERT_EQ(0xab, x_reg->get_value());
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} |