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53 lines
982 B
C
53 lines
982 B
C
/*-
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* Copyright (c) 2023 Dag-Erling Smørgrav
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <limits.h>
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#include <stdckdint.h>
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#include <atf-c.h>
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ATF_TC_WITHOUT_HEAD(ckd_add);
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ATF_TC_BODY(ckd_add, tc)
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{
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int result;
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ATF_CHECK(!ckd_add(&result, INT_MAX, 0));
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ATF_CHECK_EQ(INT_MAX, result);
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ATF_CHECK(ckd_add(&result, INT_MAX, 1));
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ATF_CHECK_EQ(INT_MIN, result);
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}
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ATF_TC_WITHOUT_HEAD(ckd_sub);
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ATF_TC_BODY(ckd_sub, tc)
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{
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int result;
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ATF_CHECK(!ckd_sub(&result, INT_MIN, 0));
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ATF_CHECK_EQ(INT_MIN, result);
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ATF_CHECK(ckd_sub(&result, INT_MIN, 1));
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ATF_CHECK_EQ(INT_MAX, result);
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}
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ATF_TC_WITHOUT_HEAD(ckd_mul);
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ATF_TC_BODY(ckd_mul, tc)
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{
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int result;
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ATF_CHECK(!ckd_mul(&result, INT_MAX / 2, 2));
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ATF_CHECK_EQ(INT_MAX - 1, result);
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ATF_CHECK(ckd_mul(&result, INT_MAX / 2 + 1, 2));
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ATF_CHECK_EQ(INT_MIN, result);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, ckd_add);
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ATF_TP_ADD_TC(tp, ckd_sub);
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ATF_TP_ADD_TC(tp, ckd_mul);
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return (atf_no_error());
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}
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