2020-12-26 10:09:07 +00:00
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/*-*- 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 2020 Justine Alexandra Roberts Tunney │
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│ │
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2020-12-28 01:18:44 +00:00
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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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2020-12-26 10:09:07 +00:00
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│ │
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2020-12-28 01:18:44 +00:00
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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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2020-12-26 10:09:07 +00:00
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/nexgen32e/ffs.h"
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#include "libc/nexgen32e/nexgen32e.h"
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#include "libc/testlib/testlib.h"
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TEST(ffs, test) {
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EXPECT_EQ(__builtin_ffs(0), (ffs)(0));
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EXPECT_EQ(__builtin_ffs(1), (ffs)(1));
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EXPECT_EQ(__builtin_ffs(0x00100000), (ffs)(0x00100000));
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EXPECT_EQ(__builtin_ffs(-1), (ffs)(-1));
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}
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TEST(ffsl, test) {
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EXPECT_EQ(__builtin_ffsl(0), (ffsl)(0));
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EXPECT_EQ(__builtin_ffsl(1), (ffsl)(1));
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EXPECT_EQ(__builtin_ffsl(0x00100000), (ffsl)(0x00100000));
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EXPECT_EQ(__builtin_ffsl(0x0010000000000000), (ffsl)(0x0010000000000000));
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EXPECT_EQ(__builtin_ffsl(-1), (ffsl)(-1));
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}
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TEST(ffsll, test) {
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EXPECT_EQ(__builtin_ffsll(0), (ffsll)(0));
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EXPECT_EQ(__builtin_ffsll(1), (ffsll)(1));
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EXPECT_EQ(__builtin_ffsll(0x00100000), (ffsll)(0x00100000));
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EXPECT_EQ(__builtin_ffsll(0x0010000000000000), (ffsll)(0x0010000000000000));
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EXPECT_EQ(__builtin_ffsll(-1), (ffsll)(-1));
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}
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