48 lines
2.9 KiB
C
48 lines
2.9 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 2020 Justine Alexandra Roberts Tunney │
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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/nexgen32e/nexgen32e.h"
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#include "libc/testlib/testlib.h"
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TEST(sidiv, smoke) {
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EXPECT_EQ(13373133731337 / 10, div10int64(13373133731337));
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EXPECT_EQ(13373133731337 / 100, div100int64(13373133731337));
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EXPECT_EQ(13373133731337 / 1000, div1000int64(13373133731337));
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EXPECT_EQ(13373133731337 / 10000, div10000int64(13373133731337));
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EXPECT_EQ(13373133731337 / 1000000, div1000000int64(13373133731337));
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EXPECT_EQ(13373133731337 / 1000000000, div1000000000int64(13373133731337));
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}
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TEST(sirem, smoke) {
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EXPECT_EQ(13373133731337 % 10, rem10int64(13373133731337));
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EXPECT_EQ(13373133731337 % 100, rem100int64(13373133731337));
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EXPECT_EQ(13373133731337 % 1000, rem1000int64(13373133731337));
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EXPECT_EQ(13373133731337 % 10000, rem10000int64(13373133731337));
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EXPECT_EQ(13373133731337 % 1000000, rem1000000int64(13373133731337));
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EXPECT_EQ(13373133731337 % 1000000000, rem1000000000int64(13373133731337));
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}
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TEST(rem, euclid) {
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ASSERT_EQ(-2, rem10int64(-12));
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ASSERT_EQ(-1, rem10int64(-1));
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ASSERT_EQ(0, rem10int64(0));
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ASSERT_EQ(1, rem10int64(1));
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ASSERT_EQ(9, rem10int64(9));
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ASSERT_EQ(1, rem10int64(11));
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}
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