49 lines
3.0 KiB
C
49 lines
3.0 KiB
C
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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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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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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