static int test_extensions(x11display_t * x11disp)
{
x11display_t x11disp_noext = x11display_FREE;
// prepare
TEST(0 == init2_x11display(&x11disp_noext, ":0", false));
// TEST xrandr available / version
TEST(1 == x11disp->xdbe.isSupported) ;
TEST(1 <= x11disp->xdbe.version_major) ;
TEST(0 == x11disp_noext.xdbe.isSupported) ;
// TEST xrandr available / version
TEST(1 == x11disp->xrandr.isSupported) ;
TEST(1 <= x11disp->xrandr.version_major) ;
TEST(0 == x11disp_noext.xrandr.isSupported) ;
// TEST xcomposite available / version
TEST(1 == x11disp->xrender.isSupported) ;
TEST(1 <= x11disp->xrender.version_major || x11disp->xrender.version_minor > 2) ;
TEST(0 == x11disp_noext.xrender.isSupported) ;
// unprepare
TEST(0 == free_x11display(&x11disp_noext));
return 0 ;
ONERR:
free_x11display(&x11disp_noext);
return EINVAL ;
}
static int test_query(void)
{
x11display_t x11disp;
// TEST isextxrandr_x11display
x11disp.xrandr.isSupported = true ;
TEST(true == isextxrandr_x11display(&x11disp)) ;
x11disp.xrandr.isSupported = false ;
TEST(false == isextxrandr_x11display(&x11disp)) ;
// TEST isfree_x11display
memset(&x11disp, 255, sizeof(x11disp));
TEST(0 == isfree_x11display(&x11disp));
x11disp.idmap = 0;
TEST(0 == isfree_x11display(&x11disp));
x11disp.sys_display = 0;
TEST(1 == isfree_x11display(&x11disp));
// TEST sysdisplay_x11display
for (uintptr_t i = 15; i <= 15; --i) {
x11disp.sys_display = (void*)i;
TEST((struct sys_display_t*)i == sysdisplay_x11display(&x11disp));
}
// TEST io_x11display
TEST(0 == init_x11display(&x11disp, ":0.0"));
TEST(0 == isfree_x11display(&x11disp));
TEST(0 < io_x11display(&x11disp));
int fd = io_x11display(&x11disp);
TEST(0 == free_x11display(&x11disp));
TEST(1 == isfree_x11display(&x11disp));
// TEST io_x11display: same fd
TEST(0 == init_x11display(&x11disp, ":0.0"));
TEST(fd == io_x11display(&x11disp));
TEST(0 == free_x11display(&x11disp));
// TEST errorstring_x11display: last char is set to 0
char errstr[100] ;
char errstr2[100] ;
memset(errstr, 1, sizeof(errstr)) ;
memset(errstr2, 1, sizeof(errstr2)) ;
TEST(0 == init_x11display(&x11disp, ":0.0")) ;
TEST(sizeof(errstr) == strnlen(errstr, sizeof(errstr))) ;
errorstring_x11display(&x11disp, 1, errstr, sizeof(errstr)) ;
uint8_t errlen = (uint8_t) strnlen(errstr, sizeof(errstr)) ;
TEST(2 < errlen) ;
TEST(sizeof(errstr) > errlen) ;
errorstring_x11display(&x11disp, 1, errstr2, errlen) ;
TEST(0 == strncmp(errstr, errstr2, (uint8_t)(errlen-2))) ;
TEST(0 != errstr[errlen-1]) ;
TEST(0 == errstr2[errlen-1]) ;
memset(errstr, 1, sizeof(errstr)) ;
TEST(0 == memcmp(errstr, errstr2 + errlen, sizeof(errstr2)-errlen)) ;
TEST(0 == free_x11display(&x11disp)) ;
return 0 ;
ONERR:
return EINVAL ;
}
/* function: childprocess_environment
* Execute this test in child to make changing environment safe.
* XOpenDisplay has memory leak in case server does not exist. */
static int childprocess_environment(void * dummy)
{
(void) dummy;
x11display_t x11disp = x11display_FREE;
// TEST init_x11display: ECONNREFUSED
TEST(ECONNREFUSED == init_x11display(&x11disp, ":9999.0")) ;
TEST(0 == x11disp.sys_display) ;
// TEST init_x11display: getenv("DISPLAY")
if (!getenv("DISPLAY")) {
TEST(0 == setenv("DISPLAY", ":0", 1)) ;
}
TEST(0 == init_x11display(&x11disp, 0 /*use value of getenv("DISPLAY")*/)) ;
TEST(0 == free_x11display(&x11disp)) ;
// TEST init_x11display: EINVAL / DISPLAY not set
TEST(0 == unsetenv("DISPLAY")) ;
TEST(0 == getenv("DISPLAY")) ;
TEST(EINVAL == init_x11display(&x11disp, 0/*use value of getenv("DISPLAY") => EINVAL*/)) ;
TEST(0 == x11disp.sys_display) ;
return 0 ;
ONERR:
TEST(0 == free_x11display(&x11disp)) ;
return EINVAL ;
}
static int childprocess_unittest(void)
{
x11display_t x11disp = x11display_FREE ;
x11screen_t x11screen = x11screen_FREE ;
resourceusage_t usage = resourceusage_FREE ;
// prepare
TEST(0 == init_x11display(&x11disp, ":0")) ;
x11screen = defaultscreen_x11display(&x11disp) ;
if (test_iterator(&x11screen)) goto ONERR;
if (test_initfree(&x11screen)) goto ONERR;
if (test_setvideomode(&x11screen)) goto ONERR; // has memory leak
TEST(0 == init_resourceusage(&usage)) ;
if (test_iterator(&x11screen)) goto ONERR;
if (test_initfree(&x11screen)) goto ONERR;
TEST(0 == same_resourceusage(&usage)) ;
TEST(0 == free_resourceusage(&usage)) ;
// unprepare
TEST(0 == free_x11display(&x11disp)) ;
return 0 ;
ONERR:
(void) free_resourceusage(&usage) ;
(void) free_x11display(&x11disp) ;
return EINVAL ;
}
static int childprocess_unittest(void)
{
x11display_t x11disp1 = x11display_FREE ;
x11display_t x11disp2 = x11display_FREE ;
resourceusage_t usage = resourceusage_FREE ;
// XQueryExtension keeps file descriptors and memory
// without it no resource leak !
TEST(0 == init_resourceusage(&usage)) ;
TEST(0 == init2_x11display(&x11disp1, ":0", false)) ;
TEST(0 == free_x11display(&x11disp1)) ;
TEST(0 == same_resourceusage(&usage)) ;
TEST(0 == free_resourceusage(&usage)) ;
TEST(0 == init_resourceusage(&usage)) ;
if (test_initfree_env()) goto ONERR;
TEST(0 == same_resourceusage(&usage)) ;
TEST(0 == free_resourceusage(&usage)) ;
if (test_initfree()) goto ONERR;
TEST(0 == init_x11display(&x11disp1, ":0")) ;
TEST(0 == init_x11display(&x11disp2, ":0")) ;
char errstr[100];
errorstring_x11display(&x11disp1, 1, errstr, sizeof(errstr));
TEST(0 == init_resourceusage(&usage)) ;
if (test_query()) goto ONERR;
if (test_screen(&x11disp1, &x11disp2)) goto ONERR;
if (test_extensions(&x11disp1)) goto ONERR;
if (test_id_manager(&x11disp1, &x11disp2)) goto ONERR;
TEST(0 == same_resourceusage(&usage)) ;
TEST(0 == free_resourceusage(&usage)) ;
TEST(0 == free_x11display(&x11disp1)) ;
TEST(0 == free_x11display(&x11disp2)) ;
return 0 ;
ONERR:
(void) free_x11display(&x11disp1);
(void) free_x11display(&x11disp2);
(void) free_resourceusage(&usage);
return EINVAL ;
}
static int initprivate_x11display(/*out*/x11display_t * x11disp, const char * display_server_name, bool isInitExtension)
{
int err ;
x11display_t newdisp = x11display_FREE;
memblock_t mblock;
if (!display_server_name) {
display_server_name = getenv("DISPLAY") ;
if (!display_server_name) {
err = EINVAL;
TRACE_NOARG_ERRLOG(log_flags_NONE, X11_DISPLAY_NOT_SET);
goto ONERR;
}
}
// create new x11_display
err = ALLOC_MM(sizeof(x11windowmap_t), &mblock);
if (err) goto ONERR;
newdisp.idmap = (x11windowmap_t*) mblock.addr;
memset(newdisp.idmap->entries, 0, sizeof(newdisp.idmap->entries));
newdisp.sys_display = XOpenDisplay(display_server_name);
if (!newdisp.sys_display) {
err = ECONNREFUSED;
TRACE_ERRLOG(log_flags_NONE, X11_NO_CONNECTION, display_server_name);
goto ONERR;
}
#define SETATOM(NAME) newdisp.atoms.NAME = XInternAtom(newdisp.sys_display, #NAME, False); \
static_assert(sizeof(newdisp.atoms.NAME) == sizeof(uint32_t), "same type")
SETATOM(WM_PROTOCOLS);
SETATOM(WM_DELETE_WINDOW);
SETATOM(_NET_FRAME_EXTENTS);
SETATOM(_NET_WM_WINDOW_OPACITY);
#undef SETATOM
if (isInitExtension) {
err = queryextensions_x11display(&newdisp);
if (err) goto ONERR;
}
*x11disp = newdisp;
return 0;
ONERR:
free_x11display(&newdisp);
TRACEEXIT_ERRLOG(err);
return err;
}
static int test_initfree(void)
{
x11display_t x11disp = x11display_FREE ;
x11display_t x11disp4 = x11display_FREE ;
pid_t child = 1 ;
// TEST x11display_FREE
TEST(x11disp.idmap == 0) ;
TEST(x11disp.sys_display == 0) ;
TEST(x11disp.atoms.WM_PROTOCOLS == 0) ;
TEST(x11disp.atoms.WM_DELETE_WINDOW == 0) ;
TEST(x11disp.atoms._NET_FRAME_EXTENTS == 0) ;
TEST(x11disp.atoms._NET_WM_WINDOW_OPACITY == 0) ;
// TEST init2_x11display, free_x11display
for (int isExtension = 0; isExtension <= 1; ++isExtension) {
TEST(0 == init2_x11display(&x11disp, ":0.0", (isExtension != 0))) ;
TEST(x11disp.idmap != 0) ;
TEST(x11disp.sys_display != 0) ;
TEST(x11disp.atoms.WM_PROTOCOLS == XInternAtom(x11disp.sys_display, "WM_PROTOCOLS", False)) ;
TEST(x11disp.atoms.WM_DELETE_WINDOW == XInternAtom(x11disp.sys_display, "WM_DELETE_WINDOW", False)) ;
TEST(x11disp.atoms._NET_FRAME_EXTENTS == XInternAtom(x11disp.sys_display, "_NET_FRAME_EXTENTS", False)) ;
TEST(x11disp.atoms._NET_WM_WINDOW_OPACITY == XInternAtom(x11disp.sys_display, "_NET_WM_WINDOW_OPACITY", False)) ;
TEST(0 < io_x11display(&x11disp)) ;
TEST(0 == free_x11display(&x11disp)) ;
TEST(0 == x11disp.idmap) ;
TEST(0 == x11disp.sys_display) ;
TEST(0 == free_x11display(&x11disp)) ;
TEST(0 == x11disp.idmap) ;
TEST(0 == x11disp.sys_display) ;
}
// TEST init_x11display, free_x11display
TEST(0 == init_x11display(&x11disp, ":0.0")) ;
TEST(x11disp.idmap != 0) ;
TEST(x11disp.sys_display != 0) ;
TEST(x11disp.atoms.WM_PROTOCOLS == XInternAtom(x11disp.sys_display, "WM_PROTOCOLS", False)) ;
TEST(x11disp.atoms.WM_DELETE_WINDOW == XInternAtom(x11disp.sys_display, "WM_DELETE_WINDOW", False)) ;
TEST(x11disp.atoms._NET_FRAME_EXTENTS == XInternAtom(x11disp.sys_display, "_NET_FRAME_EXTENTS", False)) ;
TEST(x11disp.atoms._NET_WM_WINDOW_OPACITY == XInternAtom(x11disp.sys_display, "_NET_WM_WINDOW_OPACITY", False)) ;
TEST(0 < io_x11display(&x11disp)) ;
TEST(0 == free_x11display(&x11disp)) ;
TEST(0 == x11disp.idmap) ;
TEST(0 == x11disp.sys_display) ;
TEST(0 == free_x11display(&x11disp)) ;
TEST(0 == x11disp.idmap) ;
TEST(0 == x11disp.sys_display) ;
// TEST init_x11display: 2 different connections
TEST(0 == init_x11display(&x11disp, ":0.0")) ;
TEST(x11disp.idmap != 0) ;
TEST(x11disp.sys_display != 0) ;
TEST(x11disp.atoms.WM_PROTOCOLS == XInternAtom(x11disp.sys_display, "WM_PROTOCOLS", False)) ;
TEST(x11disp.atoms.WM_DELETE_WINDOW == XInternAtom(x11disp.sys_display, "WM_DELETE_WINDOW", False)) ;
TEST(x11disp.atoms._NET_FRAME_EXTENTS == XInternAtom(x11disp.sys_display, "_NET_FRAME_EXTENTS", False)) ;
TEST(x11disp.atoms._NET_WM_WINDOW_OPACITY == XInternAtom(x11disp.sys_display, "_NET_WM_WINDOW_OPACITY", False)) ;
TEST(0 < io_x11display(&x11disp)) ;
TEST(0 == init_x11display(&x11disp4, ":0.0")) ; // creates new connection
TEST(x11disp4.idmap != 0) ;
TEST(x11disp4.sys_display != 0) ;
TEST(x11disp4.sys_display != x11disp.sys_display) ;
TEST(x11disp4.atoms.WM_PROTOCOLS == XInternAtom(x11disp.sys_display, "WM_PROTOCOLS", False)) ;
TEST(x11disp4.atoms.WM_DELETE_WINDOW == XInternAtom(x11disp.sys_display, "WM_DELETE_WINDOW", False)) ;
TEST(x11disp4.atoms._NET_FRAME_EXTENTS == XInternAtom(x11disp.sys_display, "_NET_FRAME_EXTENTS", False)) ;
TEST(x11disp4.atoms._NET_WM_WINDOW_OPACITY == XInternAtom(x11disp.sys_display, "_NET_WM_WINDOW_OPACITY", False)) ;
TEST(io_x11display(&x11disp4) > 0) ;
TEST(io_x11display(&x11disp4) != io_x11display(&x11disp)) ;
TEST(0 == free_x11display(&x11disp4)) ;
TEST(0 == x11disp4.idmap) ;
TEST(0 == x11disp4.sys_display) ;
TEST(0 == free_x11display(&x11disp)) ;
TEST(0 == x11disp.idmap) ;
TEST(0 == x11disp.sys_display) ;
return 0 ;
ONERR:
if (!child) exit(1) ;
(void) free_x11display(&x11disp) ;
(void) free_x11display(&x11disp4) ;
return EINVAL ;
}
