/*-*- 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 2020 Justine Alexandra Roberts Tunney                              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
â                                                                              â
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/nexgen32e/ffs.h"
#include "libc/nexgen32e/nexgen32e.h"
#include "libc/testlib/testlib.h"

TEST(ffs, test) {
  EXPECT_EQ(__builtin_ffs(0), (ffs)(0));
  EXPECT_EQ(__builtin_ffs(1), (ffs)(1));
  EXPECT_EQ(__builtin_ffs(0x00100000), (ffs)(0x00100000));
  EXPECT_EQ(__builtin_ffs(-1), (ffs)(-1));
}

TEST(ffsl, test) {
  EXPECT_EQ(__builtin_ffsl(0), (ffsl)(0));
  EXPECT_EQ(__builtin_ffsl(1), (ffsl)(1));
  EXPECT_EQ(__builtin_ffsl(0x00100000), (ffsl)(0x00100000));
  EXPECT_EQ(__builtin_ffsl(0x0010000000000000), (ffsl)(0x0010000000000000));
  EXPECT_EQ(__builtin_ffsl(-1), (ffsl)(-1));
}

TEST(ffsll, test) {
  EXPECT_EQ(__builtin_ffsll(0), (ffsll)(0));
  EXPECT_EQ(__builtin_ffsll(1), (ffsll)(1));
  EXPECT_EQ(__builtin_ffsll(0x00100000), (ffsll)(0x00100000));
  EXPECT_EQ(__builtin_ffsll(0x0010000000000000), (ffsll)(0x0010000000000000));
  EXPECT_EQ(__builtin_ffsll(-1), (ffsll)(-1));
}
