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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│ 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/bits/bits.h"
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#include "libc/conv/conv.h"
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#include "libc/testlib/testlib.h"
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TEST(strtoimax, testZero) { EXPECT_EQ(0, strtoimax("0", NULL, 0)); }
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TEST(strtoimax, testDecimal) { EXPECT_EQ(-123, strtoimax("-123", NULL, 0)); }
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TEST(strtoimax, testHex) { EXPECT_EQ(-255, strtoimax("-0xff", NULL, 0)); }
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TEST(strtoimax, testOctal) { EXPECT_EQ(-123, strtoimax("-0173", NULL, 0)); }
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TEST(strtoimax, testLimits) {
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EXPECT_EQ(
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((uintmax_t)0xffffffffffffffff) << 64 | (uintmax_t)0xffffffffffffffff,
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strtoimax("-1", NULL, 0));
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EXPECT_EQ(
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((uintmax_t)0x7fffffffffffffff) << 64 | (uintmax_t)0xffffffffffffffff,
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strtoimax("0x7fffffffffffffffffffffffffffffff", NULL, 0));
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}
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TEST(strtoimax, testZeroExtend) {
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EXPECT_EQ(-1, strtoimax("-1", NULL, 0));
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EXPECT_EQ(0xffffffff, strtoimax("-1u", NULL, 0));
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EXPECT_EQ(0xffffffffffffffff, strtoimax("-1ul", NULL, 0));
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}
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TEST(strtoimax, testTwosBane) {
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EXPECT_EQ(((uintmax_t)0x8000000000000000) << 64 | 0x0000000000000000,
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strtoimax("0x80000000000000000000000000000000", NULL, 0));
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}
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