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$Header: /usr4/cvs/vsw5/tset/XtC/tpeekevnt/tpeekevnt.m,v 8.0 1998/12/23 23:38:29 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/tpeekevnt/tpeekevnt.m
>># 
>># Description:
>>#	Tests for XtPeekEvent()
>># 
>># Modifications:
>># $Log: tpeekevnt.m,v $
>># Revision 8.0  1998/12/23 23:38:29  mar
>># Branch point for Release 5.0.2
>>#
>># Revision 7.0  1998/10/30 23:01:33  mar
>># Branch point for Release 5.0.2b1
>>#
>># Revision 6.0  1998/03/02 05:29:31  tbr
>># Branch point for Release 5.0.1
>>#
>># Revision 5.1  1998/02/24 02:49:16  andy
>># Made test2 contingent on coverage
>>#
>># Revision 5.0  1998/01/26 03:26:05  tbr
>># Branch point for Release 5.0.1b1
>>#
>># Revision 4.1  1998/01/15 22:01:43  andy
>># Changed type of processing variable to Boolean to match XtPending
>># signature (SR 156).
>>#
>># Revision 4.0  1995/12/15 09:22:37  tbr
>># Branch point for Release 5.0.0
>>#
>># Revision 3.1  1995/12/15  02:19:13  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;

extern char *event_names[];

Widget topLevel;
Widget panedw, boxw1, boxw2;

XtInputId input_ret;
char *msg = "Hello World";
int acount = 0;
FILE *fid;

void XtIOP_Proc(client_data, source, id)
XtPointer client_data;
int *source;
XtInputId *id;
{
	avs_set_event(2,avs_get_event(2)+1);
}

/*
** XtTMO1_Proc
*/
void XtTMO1_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
	exit(0);
}
/*
** XtTMO2_Proc
*/
void XtTMO2_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
	avs_set_event(1, avs_get_event(1)+1);
}
/*
** XtTMO3_Proc
*/
void XtTMO3_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
	/*
	** Send event KeyPress and wake up XtPeekEvent.
	*/
	send_event(topLevel, KeyPress, KeyPressMask, TRUE );
}
void XtTMO4_Proc(client_data, id)
XtPointer client_data;
XtIntervalId *id;
{
char data[1024];

	avs_set_event(1, avs_get_event(1)+1);
	tet_infoline("PREP: Get the file name to read contents");
	strcpy(data, getenv("TET_ROOT"));
	strcat(data, "/vsw5/tset/XtC/tpeekevnt/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);
	}
	tet_infoline("TEST: Register file as an input source");
	input_ret = XtAddInput(fileno(fid), (XtPointer)XtInputReadMask, XtIOP_Proc, (XtPointer)msg);
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO3_Proc, NULL);
}

>>SET tpstartup avs_alloc_sem
>>SET tpcleanup avs_free_sem
>>TITLE XtPeekEvent XtC
Boolean
XtPeekEvent(event_return)
>>ASSERTION Good A
When the calling process has at least one X 
event in the input queue a successful call to 
Boolean XtPeekEvent(event_return)
shall copy the event at the head of the input 
queue in event_return and return a non-zero value.
>>CODE
Widget labelw_msg;
char *msg = "Event widget";
XEvent loop_event, return_event;
Display *display;
Boolean status;
pid_t pid2;
int i;
pid_t pid3;
int pstatus;

	FORK(pid3);
	avs_xt_hier_def("Tpeekevnt1", "XtPeekEvent");
	FORK(pid2);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("PREP: Send KeyPress event over wire");
	send_event(boxw1, KeyPress, KeyPressMask, TRUE);
	tet_infoline("PREP: Register timeout");
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO1_Proc, NULL);
	tet_infoline("TEST: XtPeekEvent will non-destructively report event");
	display = XtDisplay(boxw1);
	/*loop for events*/
	for (i = 0; i == 0;) {
		/*peek looking for the KeyPress we sent*/
		status = XtPeekEvent(&return_event);
		if (status == True) {
	 		if ( return_event.type == KeyPress ) {
				/*check peek was non-destructive*/
				XtNextEvent(&loop_event);
				XSync(display, False);
	 			XtDispatchEvent(&loop_event);
				if ( loop_event.type != KeyPress ) {
	 				sprintf(ebuf, "ERROR: Peek removed event");
					tet_infoline(ebuf);
					tet_result(TET_FAIL);
				}
				exit(0);
			}
			else {
				XtNextEvent(&loop_event);
				XSync(display, False);
	 			XtDispatchEvent(&loop_event);
			}
		}
		else {
		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_infoline("       May mean display cannot be opened");
		tet_result(TET_UNRESOLVED);
        }
	else 
		tet_result(TET_PASS);
>>ASSERTION Good A
When the calling process has no X event in the input queue a call to 
Boolean XtPeekEvent(event_return)
shall flush the output buffers of every display 
in the calling process, block until an event is 
available on the queue, copy the event in
.A event_return,
and return a non-zero value if the event is an X event.
>>CODE
Boolean status;
pid_t pid2;
int waited = 0;
XEvent loop_event, return_event;
Display *display;
Boolean processing;
int i;
pid_t pid3;
int pstatus;

/*this test is in the process of review vis consistency of the spec,
test suite, and sample code*/
if (config.coverage == 0) {
	FORK(pid3);
	avs_xt_hier_def("Tpeekevnt2", "XtPeekEvent");
	FORK(pid2);
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO3_Proc, NULL);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	tet_infoline("TEST: Loop for events and check XtPeekEvent waited for it");
	/*this is a pretty weak test, but its not clear what a better*/
	/*test method would be*/
	display = XtDisplay(topLevel);
	for (i = 0; i == 0;) {
		processing = XtPending();
		/*this bit gives things time to settle down after the*/
		/*burst of events after the XtRealize. Ideally, this will*/
		/*cause the peek call to wait for the timeout event.*/
		/*If the user is moving the cursor or whatever, this*/
		/*may do the waking up instead, but it really*/
		/*doesn't matter*/
		if (processing == 0) {
			sleep(1);
			processing = XtPending();
		}
		/*no events*/
		if (processing == 0) {
			status = XtPeekEvent(&loop_event);
			/*if it comes back and there are events, it must*/
			/*have waited*/
			processing = XtPending();
			if (processing != 0) 
				break;
			else {
				sprintf(ebuf, "ERROR: XtPeekEvent returned, no events are pending");
				tet_infoline(ebuf);
				tet_result(TET_FAIL);
				exit(0);
			}
		}
		/*dispatch events until emptiness happiness*/
		XtNextEvent(&loop_event);
		XSync(display, False);
		XtDispatchEvent(&loop_event);
	}
	/*if it timed out, it never returned or the queue never emptied*/
	LKROF(pid2, AVSXTTIMEOUT-4);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_result(TET_UNRESOLVED);
        }
	else
		tet_result(TET_PASS);
} else
		tet_result(TET_UNTESTED);
>>ASSERTION Good A
When a call to
Boolean XtPeekEvent(event_return)
blocks and input occurs for an alternate input source it
shall return zero.
>>CODE
Boolean status;
pid_t pid2;
int waited = 0;
XEvent loop_event, return_event;
Display *display;
int i;
pid_t pid3;
int pstatus;

	FORK(pid3);
	avs_xt_hier_def("Tpeekevnt3", "XtPeekEvent");
	FORK(pid2);
	XtAddTimeOut(AVSXTLOOPTIMEOUT, XtTMO4_Proc, NULL);
	tet_infoline("PREP: Create windows for widgets and map them");
	XtRealizeWidget(topLevel);
	display = XtDisplay(topLevel);
	/*dispatch events until the timeout starts the input source*/
	while (avs_get_event(1) == 0) {
		XtNextEvent(&loop_event);
		XSync(display, False);
		XtDispatchEvent(&loop_event);
	}
	tet_infoline("TEST: XtPeekEvent returns 0 for alternate input");
	status = XtPeekEvent(&loop_event);
	if (status != 0) {
		sprintf(ebuf, "ERROR: XtPeekEvent returned %s, expected 0", status);
		tet_infoline(ebuf);
		tet_result(TET_FAIL);
	}
	LKROF(pid2, AVSXTTIMEOUT-4);
	KROF3(pid3, pstatus, AVSXTTIMEOUT-2);
        if (pstatus != 0) {
		tet_infoline("ERROR: Test process exited abnormally");
		tet_result(TET_UNRESOLVED);
        }
	else {
		tet_result(TET_PASS);
	}
