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65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Hugues Morisset │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/fmt/conv.h"
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#include "libc/limits.h"
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#include "libc/testlib/testlib.h"
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TEST(imaxdiv, test) {
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imaxdiv_t res;
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res = imaxdiv(-5, 3);
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EXPECT_EQ(-1, res.quot);
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EXPECT_EQ(-2, res.rem);
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res = imaxdiv(1, 1);
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EXPECT_EQ(1, res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(20, 10);
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EXPECT_EQ(2, res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(20, 11);
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EXPECT_EQ(1, res.quot);
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EXPECT_EQ(9, res.rem);
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res = imaxdiv(-20, -11);
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EXPECT_EQ(1, res.quot);
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EXPECT_EQ(-9, res.rem);
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res = imaxdiv(0, -11);
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EXPECT_EQ(0, res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(0, 11);
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EXPECT_EQ(0, res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(INT64_MIN, 1);
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EXPECT_EQ(INT64_MIN, res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(INT64_MAX, -1);
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EXPECT_EQ(-(INT64_MAX), res.quot);
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EXPECT_EQ(0, res.rem);
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res = imaxdiv(2387, 348);
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EXPECT_EQ(6, res.quot);
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EXPECT_EQ(299, res.rem);
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}
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