libcr_ipc/tests/test_chan.c


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/* libcr_ipc/tests/test_chan.c - Tests for <libcr_ipc/chan.h>
 *
 * Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

#include <libcr/coroutine.h>
#include <libcr_ipc/chan.h>

#include "test.h"

CR_CHAN_DECLARE(intchan, int);

COROUTINE producer_cr(void *_ch) {
	intchan_t *ch = _ch;
	cr_begin();

	cr_chan_send(ch, 1);

	while (!cr_chan_can_send(ch))
		cr_yield();

	cr_chan_send(ch, 2);


	cr_end();
}

COROUTINE consumer_cr(void *_ch) {
	int x;
	intchan_t *ch = _ch;
	cr_begin();

	x = cr_chan_recv(ch);
	test_assert(x == 1);

	x = cr_chan_recv(ch);
	test_assert(x == 2);

	cr_end();
}

int main() {
	intchan_t ch = {0};
	coroutine_add("producer", producer_cr, &ch);
	coroutine_add("consumer", consumer_cr, &ch);
	coroutine_main();
	return 0;
}