cosmopolitan/test/libc/fmt/lengthuint64_test.c
Jōshin 394d998315
Fix vi modelines (#989)
At least in neovim, `│vi:` is not recognized as a modeline because it
has no preceding whitespace. After fixing this, opening a file yields
an error because `net` is not an option. (`noet`, however, is.)
2023-12-05 14:37:54 -08:00

107 lines
3.7 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/itoa.h"
#include "libc/limits.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
TEST(LengthUint64Thousands, test) {
int i;
char s[27];
static const uint64_t v[] = {
9,
10,
11,
99,
100,
101,
999,
1000,
1001,
999999,
1000000,
1000001,
UINT64_MIN,
UINT64_MAX,
UINT64_MIN + 1,
UINT64_MAX - 1,
0x8000000000000001ull,
0x8000000000000000ull,
};
for (i = 0; i < ARRAYLEN(v); ++i) {
FormatUint64Thousands(s, v[i]);
ASSERT_EQ(strlen(s), LengthUint64Thousands(v[i]), "%,lu", v[i]);
}
}
TEST(LengthInt64Thousands, test) {
int i;
char s[27];
static const int64_t v[] = {
-1000001,
-1000000,
-999999,
-1001,
-1000,
-999,
-101,
-100,
-99,
-11,
-10,
-9,
-1,
0,
1,
9,
10,
11,
99,
100,
101,
999,
1000,
1001,
999999,
1000000,
1000001,
INT64_MIN,
INT64_MAX,
INT64_MIN + 1,
INT64_MAX - 1,
};
for (i = 0; i < ARRAYLEN(v); ++i) {
FormatInt64Thousands(s, v[i]);
ASSERT_EQ(strlen(s), LengthInt64Thousands(v[i]), "%,ld\n\t%s\n\t%lx", v[i],
s, v[i]);
}
}
BENCH(LengthInt64, bench) {
unsigned LengthInt64_(int64_t) asm("__LengthInt64");
unsigned LengthUint64_(uint64_t) asm("__LengthUint64");
unsigned LengthInt64Thousands_(int64_t) asm("__LengthInt64Thousands");
unsigned LengthUint64Thousands_(uint64_t) asm("__LengthUint64Thousands");
EZBENCH2("LengthInt64", donothing, LengthInt64_(INT64_MIN));
EZBENCH2("LengthUint64", donothing, LengthUint64_(UINT64_MAX));
EZBENCH2("LengthInt64Thousands", donothing, LengthInt64Thousands_(INT64_MIN));
EZBENCH2("LengthUint64Thousands", donothing,
LengthUint64Thousands_(UINT64_MAX));
}