reactos/modules/rostests/apitests/atl/atlconv.cpp

/*
 * PROJECT:     ReactOS api tests
 * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
 * PURPOSE:     Test for <atlconv.h>
 * COPYRIGHT:   Copyright 2023 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
 */

#ifdef HAVE_APITEST
    #include <apitest.h>
#else
    #include "atltest.h"
#endif
#include <atlbase.h>
#include <atlconv.h>

START_TEST(atlconv)
{
    char dataA[MAX_PATH];
    wchar_t dataW[MAX_PATH];
    const char *dataAX = "test12345";
    const wchar_t *dataWX = L"test12345";
    using namespace ATL;

    //
    // Initialize long data
    //
    FillMemory(dataA, sizeof(dataA), 'A');
    dataA[_countof(dataA) - 1] = 0;

    for (size_t i = 0; i < _countof(dataW); ++i)
        dataW[i] = L'A';
    dataW[_countof(dataW) - 1] = 0;

    //
    // The NULL strings
    //
    {
        CA2A a2a(NULL);
        ok_ptr((LPSTR)a2a, NULL);
        ok_ptr(a2a.m_psz, NULL);
        ok_int(a2a.m_szBuffer[0], 0);

        CW2A w2a(NULL);
        ok_ptr((LPSTR)w2a, NULL);
        ok_ptr(w2a.m_psz, NULL);
        ok_int(w2a.m_szBuffer[0], 0);

        CA2W a2w(NULL);
        ok_ptr((LPWSTR)a2w, NULL);
        ok_ptr(a2w.m_psz, NULL);
        ok_int(a2w.m_szBuffer[0], 0);

        CW2W w2w(NULL);
        ok_ptr((LPWSTR)w2w, NULL);
        ok_ptr(w2w.m_psz, NULL);
        ok_int(w2w.m_szBuffer[0], 0);
    }

    //
    // The zero-length strings
    //
    {
        CA2A a2a("");
        ok_str((LPSTR)a2a, "");
        ok_str(a2a.m_psz, "");
        ok_int(a2a.m_szBuffer[0], 0);
        ok_ptr(a2a.m_psz, a2a.m_szBuffer);

        CW2A w2a(L"");
        ok_str((LPSTR)w2a, "");
        ok_str(w2a.m_psz, "");
        ok_int(w2a.m_szBuffer[0], 0);
        ok_ptr(w2a.m_psz, w2a.m_szBuffer);

        CA2W a2w("");
        ok_wstr((LPWSTR)a2w, L"");
        ok_wstr(a2w.m_psz, L"");
        ok_int(a2w.m_szBuffer[0], 0);
        ok_ptr(a2w.m_psz, a2w.m_szBuffer);

        CW2W w2w(L"");
        ok_wstr((LPWSTR)w2w, L"");
        ok_wstr(w2w.m_psz, L"");
        ok_int(w2w.m_szBuffer[0], 0);
        ok_ptr(w2w.m_psz, w2w.m_szBuffer);
    }

    //
    // The short strings
    //
    {
        CA2A a2a("TEST123");
        ok_str((LPSTR)a2a, "TEST123");
        ok_str(a2a.m_psz, "TEST123");
        ok_ptr(a2a.m_psz, a2a.m_szBuffer);

        CW2A w2a(L"TEST123");
        ok_str((LPSTR)w2a, "TEST123");
        ok_str(w2a.m_psz, "TEST123");
        ok_ptr(w2a.m_psz, w2a.m_szBuffer);

        CA2W a2w("TEST123");
        ok_wstr((LPWSTR)a2w, L"TEST123");
        ok_wstr(a2w.m_psz, L"TEST123");
        ok_ptr(a2w.m_psz, a2w.m_szBuffer);

        CW2W w2w(L"TEST123");
        ok_wstr((LPWSTR)w2w, L"TEST123");
        ok_wstr(w2w.m_psz, L"TEST123");
        ok_ptr(w2w.m_psz, w2w.m_szBuffer);
    }

    //
    // The short strings (EX)
    //
    {
        CA2AEX<5> a2ax("123");
        ok_str((LPSTR)a2ax, "123");
        ok_str(a2ax.m_psz, "123");
        ok_ptr(a2ax.m_psz, a2ax.m_szBuffer);

        CW2AEX<5> w2ax(L"123");
        ok_str((LPSTR)w2ax, "123");
        ok_str(w2ax.m_psz, "123");
        //ok(w2ax.m_psz != w2ax.m_szBuffer, "w2ax.m_psz == w2ax.m_szBuffer\n"); // corner case

        CA2WEX<5> a2wx("123");
        ok_wstr((LPWSTR)a2wx, L"123");
        ok_wstr(a2wx.m_psz, L"123");
        ok_ptr(a2wx.m_psz, a2wx.m_szBuffer);

        CW2WEX<5> w2wx(L"123");
        ok_wstr((LPWSTR)w2wx, L"123");
        ok_wstr(w2wx.m_psz, L"123");
        ok_ptr(w2wx.m_psz, w2wx.m_szBuffer);
    }

    //
    // The long strings
    //
    {
        CA2A a2a2(dataA);
        ok_str((LPSTR)a2a2, dataA);
        ok_str(a2a2.m_psz, dataA);
        ok_str(a2a2.m_szBuffer, "");
        ok(a2a2.m_psz != dataA, "a2a2.m_psz == dataA\n");
        ok(a2a2.m_psz != a2a2.m_szBuffer, "a2a2.m_psz == a2a2.m_szBuffer\n");

        CW2A w2a2(dataW);
        ok_str((LPSTR)w2a2, dataA);
        ok_str(w2a2.m_psz, dataA);
        ok_str(w2a2.m_szBuffer, "");
        ok(w2a2.m_psz != dataA, "w2a2.m_psz == dataA\n");
        ok(w2a2.m_psz != w2a2.m_szBuffer, "w2a2.m_psz == w2a2.m_szBuffer\n");

        CA2W a2w2(dataA);
        ok_wstr((LPWSTR)a2w2, dataW);
        ok_wstr(a2w2.m_psz, dataW);
        ok_wstr(a2w2.m_szBuffer, L"");
        ok(a2w2.m_psz != dataW, "a2w2.m_psz == dataW\n");
        ok(a2w2.m_psz != a2w2.m_szBuffer, "a2w2.m_psz == a2w2.m_szBuffer\n");

        CW2W w2w2(dataW);
        ok_wstr((LPWSTR)w2w2, dataW);
        ok_wstr(w2w2.m_psz, dataW);
        ok_wstr(w2w2.m_szBuffer, L"");
        ok(w2w2.m_psz != dataW, "w2w2.m_psz == dataW\n");
        ok(w2w2.m_psz != w2w2.m_szBuffer, "w2w2.m_psz == w2w2.m_szBuffer\n");
    }

    //
    // The long strings (EX)
    //
    {
        CA2AEX<5> a2a2x(dataAX);
        ok_str((LPSTR)a2a2x, dataAX);
        ok_str(a2a2x.m_psz, dataAX);
        ok_str(a2a2x.m_szBuffer, "");
        ok(a2a2x.m_psz != dataAX, "a2a2x.m_psz == dataAX\n");
        ok(a2a2x.m_psz != a2a2x.m_szBuffer, "a2a2x.m_psz == a2a2x.m_szBuffer\n");

        CW2AEX<5> w2a2x(dataWX);
        ok_str((LPSTR)w2a2x, dataAX);
        ok_str(w2a2x.m_psz, dataAX);
        ok_str(w2a2x.m_szBuffer, "");
        ok(w2a2x.m_psz != dataAX, "w2a2x.m_psz == dataAX\n");
        ok(w2a2x.m_psz != w2a2x.m_szBuffer, "w2a2x.m_psz == w2a2x.m_szBuffer\n");

        CA2WEX<5> a2w2x(dataAX);
        ok_wstr((LPWSTR)a2w2x, dataWX);
        ok_wstr(a2w2x.m_psz, dataWX);
        ok_wstr(a2w2x.m_szBuffer, L"");
        ok(a2w2x.m_psz != dataWX, "a2w2x.m_psz == dataWX\n");
        ok(a2w2x.m_psz != a2w2x.m_szBuffer, "a2w2x.m_psz == a2w2x.m_szBuffer\n");

        CW2WEX<5> w2w2x(dataWX);
        ok_wstr((LPWSTR)w2w2x, dataWX);
        ok_wstr(w2w2x.m_psz, dataWX);
        ok_wstr(w2w2x.m_szBuffer, L"");
        ok(w2w2x.m_psz != dataWX, "w2w2x.m_psz == dataWX\n");
        ok(w2w2x.m_psz != w2w2x.m_szBuffer, "w2w2x.m_psz == w2w2x.m_szBuffer\n");
    }

    //
    // The const strings
    //
    {
        CA2CA a2ca(dataA);
        ok_str((LPCSTR)a2ca, dataA);
        ok_str(a2ca.m_psz, dataA);
        ok_ptr(a2ca.m_psz, dataA);

        CW2CW w2cw(dataW);
        ok_wstr((LPCWSTR)w2cw, dataW);
        ok_wstr(w2cw.m_psz, dataW);
        ok_ptr(w2cw.m_psz, dataW);
    }
}