reactos/rostests/apitests/user32/LoadImage.c

#include <apitest.h>

#include <stdio.h>
#include <wingdi.h>
#include <winuser.h>

START_TEST(LoadImage)
{
    char path[MAX_PATH];
    PROCESS_INFORMATION pi;
    STARTUPINFO si;
    HANDLE handle;

    char **test_argv;
    int argc = winetest_get_mainargs( &test_argv );

    /* Now check its behaviour regarding Shared icons/cursors */
    handle = LoadImageW( GetModuleHandle(NULL), L"TESTCURSOR", IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE );
    ok(handle != 0, "\n");

    if (argc >= 3)
    {
        HANDLE arg;
        HICON hCopy;
        HBITMAP hbmp;
        HDC hdc, hdcScreen;
        ICONINFO ii;

        sscanf (test_argv[2], "%lu", (ULONG_PTR*) &arg);

        ok(handle != arg, "Got same handles\n");
        
        /* Try copying it */
        hCopy = CopyIcon(arg);
        ok(hCopy != NULL, "\n");
        ok(DestroyIcon(hCopy), "\n");

        hCopy = CopyImage(arg, IMAGE_CURSOR, 0, 0, 0);
        ok(hCopy != NULL, "\n");
        ok(DestroyIcon(hCopy), "\n");
        /* Unlike the original, this one is not shared */
        ok(!DestroyIcon(hCopy), "\n");
        
        hCopy = CopyImage(arg, IMAGE_CURSOR, 0, 0, LR_COPYFROMRESOURCE);
        ok(hCopy != NULL, "\n");
        ok(DestroyIcon(hCopy), "\n");
        /* Unlike the original, this one is not shared */
        ok(!DestroyIcon(hCopy), "\n");

        hCopy = CopyImage(arg, IMAGE_CURSOR, 0, 0, LR_COPYFROMRESOURCE | LR_SHARED);
        ok(hCopy != NULL, "\n");
        ok(DestroyIcon(hCopy), "\n");
        /* This one is shared */
        ok(DestroyIcon(hCopy), "\n");
        
        hCopy = CopyImage(arg, IMAGE_CURSOR, 0, 0, LR_SHARED);
        ok(hCopy != NULL, "\n");
        ok(DestroyIcon(hCopy), "\n");
        /* This one is shared */
        ok(DestroyIcon(hCopy), "\n");

        /* Try various usual functions */
        hdcScreen = CreateDCW(L"DISPLAY", NULL, NULL, NULL);
        ok(hdcScreen != NULL, "\n");
        hdc = CreateCompatibleDC(hdcScreen);
        ok(hdc != NULL, "\n");
        hbmp = CreateCompatibleBitmap(hdcScreen, 64, 64);
        ok(hbmp != NULL, "\n");
        hbmp = SelectObject(hdc, hbmp);
        ok(hbmp != NULL, "\n");
        
        ok(DrawIcon(hdc, 0, 0, arg), "\n");
        hbmp = SelectObject(hdc, hbmp);
        DeleteObject(hbmp);
        DeleteDC(hdc);
        DeleteDC(hdcScreen);
        
        ok(GetIconInfo(arg, &ii), "\n");
        ok(ii.hbmMask != NULL, "\n");
        DeleteObject(ii.hbmMask);
        if(ii.hbmColor) DeleteObject(ii.hbmColor);

        return;
    }

    /* Start child process */
    sprintf( path, "%s LoadImage %lu", test_argv[0], (ULONG_PTR)handle );
    memset( &si, 0, sizeof(si) );
    si.cb = sizeof(si);
    CreateProcessA( NULL, path, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi );
    WaitForSingleObject (pi.hProcess, INFINITE);
}