77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* SPDX-License-Identifier: AGPL-3.0+
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Timeval.h"
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#include <iostream>
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#include <assert.h>
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#include <sys/time.h>
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extern "C" {
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#include <osmocom/core/timer.h>
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}
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using namespace std;
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int main(int argc, char *argv[])
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{
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osmo_clock_override_enable(CLOCK_REALTIME, true);
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struct timespec *clk = osmo_clock_override_gettimespec(CLOCK_REALTIME);
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clk->tv_sec = 0;
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clk->tv_nsec = 1000;
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long last_remaining = 10000; /*10 sec */
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Timeval then(last_remaining);
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assert(then.elapsed() == -last_remaining);
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cerr << then << " elapsed: " << then.elapsed() << endl;
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/* Check that last_remaining parameter affects setting time in the future */
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osmo_clock_override_add(CLOCK_REALTIME, 0, 10*1000*1000);
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double increased_time_secs = Timeval().seconds();
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assert(increased_time_secs < then.seconds());
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struct timespec invariant_time = then.timespec();
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int loops = 0;
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while (!then.passed()) {
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struct timespec tspecnow = then.timespec();
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cerr << "["<< loops << "] now: " << Timeval().seconds() << " then: " << then << " remaining: " << then.remaining() << endl;
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assert(last_remaining >= then.remaining());
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assert(tspecnow.tv_sec == invariant_time.tv_sec && tspecnow.tv_nsec == invariant_time.tv_nsec);
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osmo_clock_override_add(CLOCK_REALTIME, 0, 500000*1000);
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loops++;
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}
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cerr << "now: " << Timeval() << " then: " << then << " remaining: " << then.remaining() << endl;
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assert(then.remaining() == -10);
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assert(loops == 20);
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printf("Done\n");
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}
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