cosmopolitan/test/libc/fmt/strtoumax_test.c

44 lines
2.5 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/fmt/conv.h"
#include "libc/limits.h"
#include "libc/testlib/testlib.h"
TEST(strtoumax, testZero) {
EXPECT_EQ(UINTMAX_MIN, strtoumax("0", NULL, 0));
}
TEST(strtoumax, testDecimal) {
EXPECT_EQ(123, strtoumax("123", NULL, 0));
}
TEST(strtoumax, testHex) {
EXPECT_EQ(255, strtoumax("0xff", NULL, 0));
}
TEST(strtoumax, testOctal) {
EXPECT_EQ(123, strtoumax("0173", NULL, 0));
}
TEST(strtoumax, testMaximum) {
EXPECT_EQ(UINTMAX_MAX,
strtoumax("340282366920938463463374607431768211455", NULL, 0));
EXPECT_EQ(UINTMAX_MAX,
strtoumax("0xffffffffffffffffffffffffffffffff", NULL, 0));
}