63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/* Test the simple ring buffer.
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Copyright (C) 2006-2025 Free Software Foundation, Inc.
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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 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* written by Jim Meyering */
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#include <config.h>
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#include "i-ring.h"
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#include "macros.h"
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int
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main (void)
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{
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int o;
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I_ring ir;
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i_ring_init (&ir, -1);
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o = i_ring_push (&ir, 1);
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ASSERT (o == -1);
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o = i_ring_push (&ir, 2);
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ASSERT (o == -1);
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o = i_ring_push (&ir, 3);
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ASSERT (o == -1);
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o = i_ring_push (&ir, 4);
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ASSERT (o == -1);
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o = i_ring_push (&ir, 5);
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ASSERT (o == 1);
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o = i_ring_push (&ir, 6);
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ASSERT (o == 2);
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o = i_ring_push (&ir, 7);
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ASSERT (o == 3);
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o = i_ring_pop (&ir);
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ASSERT (o == 7);
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o = i_ring_pop (&ir);
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ASSERT (o == 6);
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o = i_ring_pop (&ir);
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ASSERT (o == 5);
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o = i_ring_pop (&ir);
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ASSERT (o == 4);
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ASSERT (i_ring_empty (&ir));
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o = i_ring_push (&ir, 8);
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ASSERT (o == -1);
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o = i_ring_pop (&ir);
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ASSERT (o == 8);
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ASSERT (i_ring_empty (&ir));
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return test_exit_status;
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}
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