cosmopolitan/test/libc/fmt/sizetol_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

59 lines
3.2 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/errno.h"
#include "libc/fmt/conv.h"
#include "libc/testlib/testlib.h"
TEST(sizetol, test) {
EXPECT_EQ(-1, sizetol("", 1000));
EXPECT_EQ(0, sizetol("0", 1000));
EXPECT_EQ(0, sizetol("0kb", 1000));
EXPECT_EQ(31337, sizetol("31337", 1000));
EXPECT_EQ(+123, sizetol("+123", 1000));
EXPECT_EQ(-123, sizetol("-123", 1000));
EXPECT_EQ(1000, sizetol("1kb", 1000));
EXPECT_EQ(-1000, sizetol("-1kb", 1000));
EXPECT_EQ(2000, sizetol("2k", 1000));
EXPECT_EQ(1024, sizetol("1kb", 1024));
EXPECT_EQ(2048, sizetol("2k", 1024));
EXPECT_EQ(100000000, sizetol("100mb", 1000));
EXPECT_EQ(100000000000000, sizetol("100tb", 1000));
EXPECT_EQ(104857600, sizetol("100mb", 1024));
EXPECT_EQ(100000000, sizetol("100MB", 1000));
EXPECT_EQ(104857600, sizetol("100MB", 1024));
EXPECT_EQ(100000000, sizetol("100M", 1000));
EXPECT_EQ(104857600, sizetol("100M", 1024));
EXPECT_EQ(100000000, sizetol(" 100M", 1000));
EXPECT_EQ(104857600, sizetol("\t100M", 1024));
EXPECT_EQ(100, sizetol(" 100", 1000));
EXPECT_EQ(100, sizetol("\t100", 1024));
EXPECT_EQ(100, sizetol(" 100 ", 1000));
EXPECT_EQ(100, sizetol("\t100\t", 1024));
}
TEST(sizetol, testOverflow_isDetected) {
EXPECT_EQ(9000000000000000000, sizetol("9eb", 1000));
EXPECT_SYS(EOVERFLOW, -1, sizetol("10eb", 1000));
}
TEST(sizetol, badSyntax) {
EXPECT_SYS(EINVAL, -1, sizetol("- 1", 1000));
EXPECT_SYS(EINVAL, -1, sizetol("- 1", 1000));
EXPECT_SYS(EOVERFLOW, -1, sizetol("10eb", 1000));
}