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Commit 72a36736 authored by Jacek Caban's avatar Jacek Caban Committed by Alexandre Julliard
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winmm/tests: Introduce compare_uint helper.

Signed-off-by: 's avatarJacek Caban <jacek@codeweavers.com> Signed-off-by: 's avatarAndrew Eikum <aeikum@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 0c9f9efd
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Showing with 10 additions and 4 deletions
dlls/winmm/tests/mixer.c
View file @ 72a36736
......@@ -36,6 +36,12 @@
#include "winmm_test.h"
static BOOL compare_uint(unsigned int x, unsigned int y, unsigned int max_diff)
{
unsigned int diff = x > y ? x - y : y - x;
return diff <= max_diff;
}
static const char * line_flags(DWORD fdwLine)
{
static char flags[100];
......@@ -253,11 +259,11 @@ static void mixer_test_controlA(HMIXEROBJ mix, MIXERCONTROLA *control)
mmsys_error(rc));
if (rc==MMSYSERR_NOERROR) {
/* result may not match exactly because of rounding */
ok(abs(ret_value.dwValue-new_value.dwValue)<=1,
ok(compare_uint(ret_value.dwValue, new_value.dwValue, 1),
"Couldn't change value from %d to %d, returned %d\n",
value.dwValue,new_value.dwValue,ret_value.dwValue);
if (abs(ret_value.dwValue-new_value.dwValue)<=1) {
if (compare_uint(ret_value.dwValue, new_value.dwValue, 1)) {
details.cbStruct = sizeof(MIXERCONTROLDETAILS);
details.dwControlID = control->dwControlID;
details.cChannels = 1;
......@@ -632,11 +638,11 @@ static void mixer_test_controlW(HMIXEROBJ mix, MIXERCONTROLW *control)
mmsys_error(rc));
if (rc==MMSYSERR_NOERROR) {
/* result may not match exactly because of rounding */
ok(abs(ret_value.dwValue-new_value.dwValue)<=1,
ok(compare_uint(ret_value.dwValue, new_value.dwValue, 1),
"Couldn't change value from %d to %d, returned %d\n",
value.dwValue,new_value.dwValue,ret_value.dwValue);
if (abs(ret_value.dwValue-new_value.dwValue)<=1) {
if (compare_uint(ret_value.dwValue, new_value.dwValue, 1)) {
details.cbStruct = sizeof(MIXERCONTROLDETAILS);
details.dwControlID = control->dwControlID;
details.cChannels = 1;
......
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