/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
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â Copyright 2022 Hugues Morisset                                               â
â                                                                              â
â Permission to use, copy, modify, and/or distribute this software for         â
â any purpose with or without fee is hereby granted, provided that the         â
â above copyright notice and this permission notice appear in all copies.      â
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â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             â
â PERFORMANCE OF THIS SOFTWARE.                                                â
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#include "libc/fmt/conv.h"
#include "libc/limits.h"
#include "libc/testlib/testlib.h"

TEST(imaxdiv, test) {
  imaxdiv_t res;

  res = imaxdiv(-5, 3);
  EXPECT_EQ(-1, res.quot);
  EXPECT_EQ(-2, res.rem);

  res = imaxdiv(1, 1);
  EXPECT_EQ(1, res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(20, 10);
  EXPECT_EQ(2, res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(20, 11);
  EXPECT_EQ(1, res.quot);
  EXPECT_EQ(9, res.rem);

  res = imaxdiv(-20, -11);
  EXPECT_EQ(1, res.quot);
  EXPECT_EQ(-9, res.rem);

  res = imaxdiv(0, -11);
  EXPECT_EQ(0, res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(0, 11);
  EXPECT_EQ(0, res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(INT64_MIN, 1);
  EXPECT_EQ(INT64_MIN, res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(INT64_MAX, -1);
  EXPECT_EQ(-(INT64_MAX), res.quot);
  EXPECT_EQ(0, res.rem);

  res = imaxdiv(2387, 348);
  EXPECT_EQ(6, res.quot);
  EXPECT_EQ(299, res.rem);
}
