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$Header: /usr4/cvs/vsw5/tset/XtC/tnxtevnt/tnxtevnt.m,v 8.0 1998/12/23 23:38:28 mar Rel $

Copyright (c) Applied Testing and Technology, Inc. 1993, 1994, 1995
Copyright (c) 88open Consortium, Ltd. 1990, 1991, 1992, 1993
All Rights Reserved.

>># 
>># Project: VSW5
>># 
>># File: tset/XtC/tnxtevnt/tnxtevnt.m
>># 
>># Description:
>>#	Tests for XtNextEvent()
>># 
>># Modifications:
>># $Log: tnxtevnt.m,v $
>># Revision 8.0  1998/12/23 23:38:28  mar
>># Branch point for Release 5.0.2
>>#
>># Revision 7.0  1998/10/30 23:01:32  mar
>># Branch point for Release 5.0.2b1
>>#
>># Revision 6.0  1998/03/02 05:29:30  tbr
>># Branch point for Release 5.0.1
>>#
>># Revision 5.0  1998/01/26 03:26:04  tbr
>># Branch point for Release 5.0.1b1
>>#
>># Revision 4.0  1995/12/15 09:22:33  tbr
>># Branch point for Release 5.0.0
>>#
>># Revision 3.1  1995/12/15  02:19:09  andy
>># Prepare for GA Release
>>#
>>EXTERN
#include <X11/IntrinsicP.h>
#include <X11/ConstrainP.h>
#include <X11/CoreP.h>

XtAppContext app_ctext;
Widget topLevel, panedw, boxw1, boxw2;
Widget labelw, rowcolw, click_quit;
XtInputId input_ret;
char *msg = "Hello World";
int acount = 0;
FILE *fid;

/*
** XtTMO2_Proc
*/
void XtTMO2_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
	send_event(topLevel, KeyPress, KeyPressMask, TRUE );
}

/*
** XtTMO3_Proc()
*/
void XtTMO3_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
	avs_set_event(1, 1);
	exit(0);
	
}

static void analyse_events(quit)
Widget quit;
{
int i;
	Display *display;
	XEvent loop_event;
	XEvent event_return;
	Widget widget;
	widget = XtParent(quit);
	display = XtDisplay(widget);
	for (i = 0;i == 0;) {
	 	XNextEvent(display, &loop_event);
	 	XSync(display, False);
	 	if (loop_event.type == KeyPress) {
			/*
			** KeyRelease to follow KeyPress event.
			*/
			XtNextEvent(&loop_event);
			if ( loop_event.type == KeyRelease ) {
	 			XtDispatchEvent(&loop_event);
				exit(0);
			}
			else {
	 			sprintf(ebuf, "ERROR: Expected KeyRelease to Follow KeyPress");
				tet_infoline(ebuf);
				tet_result(TET_FAIL);
			}
	 }
	 XtDispatchEvent(&loop_event);
	} /* end for */
}
/*
** Procedure XtIOP_Proc
*/
void XtIOP_Proc(client_data, source, id)
XtPointer client_data;
int *source;
XtInputId *id;
{
	avs_set_event(2,avs_get_event(2)+1);
}
>>SET tpstartup avs_alloc_sem
>>SET tpcleanup avs_free_sem
>>TITLE XtNextEvent XtC
void
XtNextEvent(event_return)
>>ASSERTION Good A
When the calling process
has an X event in the input queue
a successful call to 
void XtNextEvent(event_return)
shall remove the X event from the head 
of the queue and return it in 
.A event_return .
>>CODE
Widget labelw_msg;
char *msg = "Event widget";
pid_t pid2;
pid_t pid3;
int pstatus;

	FORK(pid3);
	avs_xt_hier_def("Tnxtevnt1", "XtNextEvent");
	FORK(pid2);
	tet_infoline("PREP: Create a test labelw_msg widget");
	labelw_msg = (Widget) CreateLabelWidget(msg, boxw1);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("PREP: Send KeyPress and KeyRelease event over wire");
	send_event(labelw_msg, KeyPress, KeyPressMask, TRUE);
	send_event(labelw_msg, KeyRelease,KeyReleaseMask, TRUE);
	tet_infoline("TEST: XtNextEvent returns KeyRelease event after KeyPress event");
	analyse_events(click_quit);
	LKROF(pid2, AVSXTTIMEOUT-4);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_infoline("       May mean display cannot be opened");
		tet_result(TET_UNRESOLVED);
        }
	else
		tet_result(TET_PASS);
>>ASSERTION Good A
When there are no events in the X input queue 
for the calling process a call to
void XtNextEvent(event_return)
shall flush the X output buffers of each 
display in the calling process and wait 
until an event from the X server is available.
>>CODE
pid_t pid2;
int waited = 0;
XEvent loop_event;
Display *display;
XtInputMask processing;
int i;
pid_t pid3;
int pstatus;

	FORK(pid3);
	avs_xt_hier_def("Tnxtevnt2", "XtNextEvent");
	FORK(pid2);
	tet_infoline("PREP: Register timeout");
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO2_Proc, topLevel);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("TEST: XtNextEvent waits for next event");
	display = XtDisplay(rowcolw);
	for (i = 0; i == 0;) {
		XtNextEvent(&loop_event);
		XSync(display, False);
		XtDispatchEvent(&loop_event);
		/*
		** receiving events:	 proccessing = non zero
		** no events in wait state: processing = 0
		*/
		processing = XtPending();
		if (loop_event.type == KeyPress) {
			exit(0);
		}
		/*
		** No events XtNextEvent() waits for events.
		*/
		if (!processing)
			avs_set_event(1, 1);
	} /*end for */
	LKROF(pid2, AVSXTTIMEOUT-4);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_result(TET_UNRESOLVED);
        }
	else {
		waited = avs_get_event(1);
		if (!waited) {
			sprintf(ebuf, "ERROR: XtNextEvent did not wait for the event");
			tet_infoline(ebuf);
			tet_result(TET_FAIL);
		}
		tet_result(TET_PASS);
	}
>>ASSERTION Good A
When a timeout occurs in the calling process
while  a call to 
void XtNextEvent(event_return)
is blocked the designated callback procedure for 
the timeout shall be called.
>>CODE
pid_t pid2;
int status = 0;
int waited = 0;
XEvent loop_event;
Display *display;
XtInputMask processing;
int i;
pid_t pid3;
int pstatus;

	FORK(pid3);
	avs_xt_hier_def("Tnxtevnt3", "XtNextEvent");
	FORK(pid2);
	tet_infoline("PREP: Register timeout");
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO3_Proc, topLevel);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("TEST: Procedure XtTMO3_Proc was invoked and XtNextEvent");
	tet_infoline("      indeed waited for next event");
	display = XtDisplay(topLevel);
	for (i = 0; i == 0;) {
		XtNextEvent(&loop_event);
		XSync(display, False);
		XtDispatchEvent(&loop_event);
	} /*end for*/
	LKROF(pid2, AVSXTTIMEOUT-4);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_result(TET_UNRESOLVED);
        }
	else {
		status = avs_get_event(1);
		if (!status) {
			sprintf(ebuf, "ERROR: XtTMO3_Proc was not invoked");
			tet_infoline(ebuf);
			tet_result(TET_FAIL);
		}
		tet_result(TET_PASS);
	}
>>ASSERTION Good A
When input for an alternate input source occurs in the 
calling process while a call to 
void XtNextEvent(event_return)
is blocked the designated callback procedure 
for the input source shall be called.
>>CODE
pid_t pid2;
int status = 0;
int waited = 0;
XEvent loop_event;
Display *display;
XtInputMask processing;
int i;
pid_t pid3;
int pstatus;
char data[1024];

	FORK(pid3);
	avs_xt_hier_def("Tnxtevnt3", "XtNextEvent");
	tet_infoline("PREP: Get the file name to register");
	strcpy(data, getenv("TET_ROOT"));
	strcat(data, "/vsw5/tset/XtC/taddinput/data1");
	sprintf(ebuf, "PREP: Open file %s for read", data);
	tet_infoline(ebuf);
	if ((fid = (FILE *)fopen(data, "w+")) == NULL) {
		sprintf(ebuf, "ERROR: Could not open file %s", data);
		tet_infoline(ebuf);
		tet_result(TET_FAIL);
	}
	FORK(pid2);
	tet_infoline("TEST: Register file as an input source");
	input_ret = XtAddInput(fileno(fid), (XtPointer)XtInputReadMask, XtIOP_Proc, (XtPointer)msg);
	tet_infoline("PREP: Register timeout");
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO3_Proc, topLevel);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("TEST: Callback for input is called");
	display = XtDisplay(topLevel);
	for (i = 0; i == 0;) {
		XtNextEvent(&loop_event);
		XSync(display, False);
		XtDispatchEvent(&loop_event);
	} /*end for*/
	LKROF(pid2, AVSXTTIMEOUT-4);
	unlink(msg);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_result(TET_UNRESOLVED);
        }
	else {
		status = avs_get_event(2);
		if (!status) {
			sprintf(ebuf, "ERROR: callback was not invoked");
			tet_infoline(ebuf);
			tet_result(TET_FAIL);
		}
		tet_result(TET_PASS);
	}
