// port/common: Win32 widths and MSVC CRT semantics the ported 40250 logic relies on.
#include "common/StdAfx.h"

#include <cstdio>
#include <cstdlib>

static int g_failures = 0;
#define CHECK(cond)                                                    \
	do {                                                               \
		if (!(cond)) {                                                 \
			std::fprintf(stderr, "%s:%d: CHECK(%s)\n", __FILE__, __LINE__, #cond); \
			++g_failures;                                              \
		}                                                              \
	} while (0)

int main()
{
	// MSVC _snprintf: shorter output is terminated.
	char buf[8];
	std::memset(buf, 'x', sizeof(buf));
	CHECK(_snprintf(buf, 8, "%s", "abc") == 3);
	CHECK(std::strcmp(buf, "abc") == 0);

	// Exactly `count` bytes: written unterminated, returns count.
	std::memset(buf, 'x', sizeof(buf));
	CHECK(_snprintf(buf, 4, "%s", "abcd") == 4);
	CHECK(std::memcmp(buf, "abcdx", 5) == 0);

	// Longer: `count` bytes written unterminated, returns -1.
	std::memset(buf, 'x', sizeof(buf));
	CHECK(_snprintf(buf, 4, "%d", 123456) == -1);
	CHECK(std::memcmp(buf, "1234x", 5) == 0);

	CHECK(stricmp("PLAYER", "player") == 0);
	CHECK(_strnicmp("d:/ymir work/A", "D:/YMIR WORK/b", 12) == 0);
	char s[] = "MixEd";
	CHECK(std::strcmp(_strlwr(s), "mixed") == 0);

	CHECK(MAKELONG(0x1234, 0xABCD) == static_cast<LONG>(0xABCD1234u));
	CHECK(LOWORD(0xABCD1234u) == 0x1234 && HIWORD(0xABCD1234u) == 0xABCD);
	CHECK(MAKEWORD(0x34, 0x12) == 0x1234);

	// DWORD arithmetic wraps like the 32-bit original.
	DWORD t = 0xFFFFFFF0u;
	t += 0x20;
	CHECK(t == 0x10);
	const DWORD a = timeGetTime();
	const DWORD b = timeGetTime();
	CHECK(static_cast<DWORD>(b - a) < 1000);

	if (g_failures)
		return EXIT_FAILURE;
	std::puts("port_common_test: ok");
	return EXIT_SUCCESS;
}