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/*
* hashtest.c -- test hash mapping
*
* Generate timing statistics for vertical-motion optimization.
*
* $Id: hashtest.c,v 1.29 2008/08/16 17:26:44 tom Exp $
*/
#include <test.priv.h>
#define LO_CHAR ' '
#define HI_CHAR '~'
static bool continuous = FALSE;
static bool reverse_loops = FALSE;
static bool single_step = FALSE;
static bool extend_corner = FALSE;
static int foot_lines = 0;
static int head_lines = 0;
static void
cleanup(void)
{
move(LINES - 1, 0);
clrtoeol();
refresh();
endwin();
}
static RETSIGTYPE
finish(int sig GCC_UNUSED)
{
cleanup();
ExitProgram(EXIT_FAILURE);
}
static void
genlines(int base)
{
int i, j;
#if USE_TRACE
if (base == 'a')
Trace(("Resetting screen"));
else
Trace(("Painting `%c' screen", base));
#endif
/* Do this so writes to lower-right corner don't cause a spurious
* scrolling operation. This _shouldn't_ break the scrolling
* optimization, since that's computed in the refresh() call.
*/
scrollok(stdscr, FALSE);
move(0, 0);
for (i = 0; i < head_lines; i++)
for (j = 0; j < COLS; j++)
addch(UChar((j % 8 == 0) ? ('A' + j / 8) : '-'));
move(head_lines, 0);
for (i = head_lines; i < LINES - foot_lines; i++) {
chtype c = (base - LO_CHAR + i) % (HI_CHAR - LO_CHAR + 1) + LO_CHAR;
int hi = (extend_corner || (i < LINES - 1)) ? COLS : COLS - 1;
for (j = 0; j < hi; j++)
addch(c);
}
for (i = LINES - foot_lines; i < LINES; i++) {
move(i, 0);
for (j = 0; j < (extend_corner ? COLS : COLS - 1); j++)
addch(UChar((j % 8 == 0) ? ('A' + j / 8) : '-'));
}
scrollok(stdscr, TRUE);
if (single_step) {
move(LINES - 1, 0);
getch();
} else
refresh();
}
static void
one_cycle(int ch)
{
if (continuous) {
genlines(ch);
} else if (ch != 'a') {
genlines('a');
genlines(ch);
}
}
static void
run_test(bool optimized GCC_UNUSED)
{
char ch;
int lo = continuous ? LO_CHAR : 'a' - LINES;
int hi = continuous ? HI_CHAR : 'a' + LINES;
if (lo < LO_CHAR)
lo = LO_CHAR;
if (hi > HI_CHAR)
hi = HI_CHAR;
#if defined(TRACE) || defined(NCURSES_TEST)
if (optimized) {
Trace(("With hash mapping"));
_nc_optimize_enable |= OPTIMIZE_HASHMAP;
} else {
Trace(("Without hash mapping"));
_nc_optimize_enable &= ~OPTIMIZE_HASHMAP;
}
#endif
if (reverse_loops)
for (ch = hi; ch >= lo; ch--)
one_cycle(ch);
else
for (ch = lo; ch <= hi; ch++)
one_cycle(ch);
}
static void
usage(void)
{
static const char *const tbl[] =
{
"Usage: hashtest [options]"
,""
,"Options:"
," -c continuous (don't reset between refresh's)"
," -f num leave 'num' lines constant for footer"
," -h num leave 'num' lines constant for header"
," -l num repeat test 'num' times"
," -n test the normal optimizer"
," -o test the hashed optimizer"
," -r reverse the loops"
," -s single-step"
," -x assume lower-right corner extension"
};
size_t n;
for (n = 0; n < SIZEOF(tbl); n++)
fprintf(stderr, "%s\n", tbl[n]);
ExitProgram(EXIT_FAILURE);
}
int
main(int argc, char *argv[])
{
int c;
int test_loops = 1;
int test_normal = FALSE;
int test_optimize = FALSE;
setlocale(LC_ALL, "");
while ((c = getopt(argc, argv, "cf:h:l:norsx")) != -1) {
switch (c) {
case 'c':
continuous = TRUE;
break;
case 'f':
foot_lines = atoi(optarg);
break;
case 'h':
head_lines = atoi(optarg);
break;
case 'l':
test_loops = atoi(optarg);
assert(test_loops >= 0);
break;
case 'n':
test_normal = TRUE;
break;
case 'o':
test_optimize = TRUE;
break;
case 'r':
reverse_loops = TRUE;
break;
case 's':
single_step = TRUE;
break;
case 'x':
extend_corner = TRUE;
break;
default:
usage();
}
}
if (!test_normal && !test_optimize) {
test_normal = TRUE;
test_optimize = TRUE;
}
#if USE_TRACE
trace(TRACE_TIMES);
#endif
CATCHALL(finish); /* arrange interrupts to terminate */
(void) initscr(); /* initialize the curses library */
keypad(stdscr, TRUE); /* enable keyboard mapping */
(void) nonl(); /* tell curses not to do NL->CR/NL on output */
(void) cbreak(); /* take input chars one at a time, no wait for \n */
(void) noecho(); /* don't echo input */
scrollok(stdscr, TRUE);
while (test_loops-- > 0) {
if (test_normal)
run_test(FALSE);
if (test_optimize)
run_test(TRUE);
}
cleanup(); /* we're done */
ExitProgram(EXIT_SUCCESS);
}
/* hashtest.c ends here */
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