wine/dlls/winmm/tests/timer.c

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/*
* Test winmm timer
*
* Copyright (c) 2005 Robert Reif
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "wine/test.h"
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "mmsystem.h"
#define NOBITMAP
#include "mmreg.h"
#include "winmm_test.h"
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static TIMECAPS tc;
static void test_timeGetDevCaps(void)
{
MMRESULT rc;
rc = timeGetDevCaps(&tc, 0);
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ok(rc == TIMERR_NOCANDO || rc == MMSYSERR_INVALPARAM,
"timeGetDevCaps() returned %s, should have returned TIMERR_NOCANDO "
"or MMSYSERR_INVALPARAM\n", mmsys_error(rc));
rc = timeGetDevCaps(0, sizeof(tc));
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ok(rc == TIMERR_NOCANDO || rc == TIMERR_STRUCT,
"timeGetDevCaps() returned %s, should have returned TIMERR_NOCANDO "
"or TIMERR_STRUCT\n", mmsys_error(rc));
rc = timeGetDevCaps(0, 0);
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ok(rc == TIMERR_NOCANDO || rc == MMSYSERR_INVALPARAM,
"timeGetDevCaps() returned %s, should have returned TIMERR_NOCANDO "
"or MMSYSERR_INVALPARAM\n", mmsys_error(rc));
rc = timeGetDevCaps(&tc, sizeof(tc));
ok(rc == TIMERR_NOERROR, "timeGetDevCaps() returned %s, "
"should have returned TIMERR_NOERROR\n", mmsys_error(rc));
if (rc == TIMERR_NOERROR)
trace("wPeriodMin = %u, wPeriodMax = %u\n",
tc.wPeriodMin, tc.wPeriodMax);
}
#define NUM_SAMPLES 100
static DWORD count = 0;
static DWORD times[NUM_SAMPLES];
static void CALLBACK testTimeProc(UINT uID, UINT uMsg, DWORD_PTR dwUser,
DWORD_PTR dw1, DWORD_PTR dw2)
{
if (count < NUM_SAMPLES)
times[count++] = timeGetTime();
}
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static void test_timer(UINT period, UINT resolution)
{
MMRESULT rc;
UINT i, id, delta;
DWORD dwMin = 0xffffffff, dwMax = 0;
double sum = 0.0;
double deviation = 0.0;
count = 0;
for (i = 0; i < NUM_SAMPLES; i++)
times[i] = 0;
rc = timeBeginPeriod(period);
ok(rc == TIMERR_NOERROR, "timeBeginPeriod(%u) returned %s, "
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"should have returned TIMERR_NOERROR\n", period, mmsys_error(rc));
if (rc != TIMERR_NOERROR)
return;
id = timeSetEvent(period, resolution, testTimeProc, 0, TIME_PERIODIC);
ok(id != 0, "timeSetEvent(%u, %u, %p, 0, TIME_PERIODIC) returned %d, "
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"should have returned id > 0\n", period, resolution, testTimeProc, id);
if (id == 0)
return;
Sleep((NUM_SAMPLES * period) + (2 * period));
rc = timeEndPeriod(period);
ok(rc == TIMERR_NOERROR, "timeEndPeriod(%u) returned %s, "
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"should have returned TIMERR_NOERROR\n", period, mmsys_error(rc));
if (rc != TIMERR_NOERROR)
return;
rc = timeKillEvent(id);
ok(rc == TIMERR_NOERROR, "timeKillEvent(%u) returned %s, "
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"should have returned TIMERR_NOERROR\n", id, mmsys_error(rc));
trace("period = %u, resolution = %u\n", period, resolution);
for (i = 0; i < count; i++)
{
if (i == 0)
{
if (winetest_debug > 1)
trace("time[%d] = %u\n", i, times[i]);
}
else
{
delta = times[i] - times[i - 1];
if (winetest_debug > 1)
trace("time[%d] = %u delta = %d\n", i, times[i], delta);
sum += delta;
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deviation += ((delta - period) * (delta - period));
if (delta < dwMin)
dwMin = delta;
if (delta > dwMax)
dwMax = delta;
}
}
trace("min = %u, max = %u, average = %f, standard deviation = %f\n",
dwMin, dwMax, sum / (count - 1), sqrt(deviation / (count - 2)));
}
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static const char * get_priority(int priority)
{
static char tmp[32];
#define STR(x) case x: return #x
switch(priority) {
STR(THREAD_PRIORITY_LOWEST);
STR(THREAD_PRIORITY_BELOW_NORMAL);
STR(THREAD_PRIORITY_NORMAL);
STR(THREAD_PRIORITY_HIGHEST);
STR(THREAD_PRIORITY_ABOVE_NORMAL);
STR(THREAD_PRIORITY_TIME_CRITICAL);
STR(THREAD_PRIORITY_IDLE);
}
sprintf(tmp, "UNKNOWN(%d)", priority);
return tmp;
}
static int priority = 0;
static BOOL fired = FALSE;
static void CALLBACK priorityTimeProc(UINT uID, UINT uMsg, DWORD_PTR dwUser,
DWORD_PTR dw1, DWORD_PTR dw2)
{
priority = GetThreadPriority(GetCurrentThread());
ok(priority!=THREAD_PRIORITY_ERROR_RETURN, "GetThreadPriority() failed, GetLastError() = %u\n", GetLastError());
fired = TRUE;
}
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static void test_priority(void)
{
UINT id;
id = timeSetEvent(100, 100, priorityTimeProc, 0, TIME_ONESHOT);
ok(id != 0, "timeSetEvent(100, 100, %p, 0, TIME_ONESHOT) returned %d, "
"should have returned id > 0\n", priorityTimeProc, id);
if (id == 0)
return;
Sleep(200);
ok(fired == TRUE, "Callback not called\n");
if (fired)
{
ok(priority == THREAD_PRIORITY_TIME_CRITICAL,
"thread priority is %s, should be THREAD_PRIORITY_TIME_CRITICAL\n",
get_priority(priority));
}
}
START_TEST(timer)
{
test_timeGetDevCaps();
if (tc.wPeriodMin <= 1) {
test_timer(1, 0);
test_timer(1, 1);
}
if (tc.wPeriodMin <= 10) {
test_timer(10, 0);
test_timer(10, 1);
test_timer(10, 10);
}
if (tc.wPeriodMin <= 20) {
test_timer(20, 0);
test_timer(20, 1);
test_timer(20, 10);
test_timer(20, 20);
}
test_priority();
}