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Introduce ctl::to_string()

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Justine Tunney 2024-07-01 05:40:38 -07:00
parent acbabedf27
commit e627bfa359
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11 changed files with 432 additions and 40 deletions
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test/ctl/to_string_test.cc Normal file
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// -*- mode:c++; indent-tabs-mode:nil; c-basic-offset:4; coding:utf-8 -*-
// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
//
// Copyright 2024 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 "ctl/string.h"
#include "libc/intrin/kprintf.h"
#include "libc/limits.h"
#include "libc/math.h"
#include "libc/mem/leaks.h"
int
main()
{
// test integer conversion
{
if (ctl::to_string(0) != "0")
return 1;
if (ctl::to_string(3) != "3")
return 1;
if (ctl::to_string(INT32_MAX) != "2147483647")
return 2;
if (ctl::to_string(INT32_MIN) != "-2147483648")
return 3;
if (ctl::to_string(UINT32_MAX) != "4294967295")
return 4;
if (ctl::to_string(INT64_MAX) != "9223372036854775807")
return 5;
if (ctl::to_string(INT64_MIN) != "-9223372036854775808")
return 6;
if (ctl::to_string(UINT64_MAX) != "18446744073709551615")
return 7;
}
// test float conversion
// we diverge from std::to_string(float) because it's garbage
{
if (ctl::to_string(0.f) != "0") // 0.000000
return 8;
if (ctl::to_string(-0.f) != "-0") // 0.000000
return 9;
if (ctl::to_string(3.f) != "3") // 3.000000
return 10;
if (ctl::to_string(3.14f) != "3.14") // 3.140000
return 11;
if (ctl::to_string(3.140001f) != "3.140001")
return 12;
if (ctl::to_string(1000000000.f) != "1000000000") // 1000000000.000000
return 12;
if (ctl::to_string(10000000000.f) != "1e+10") // 10000000000.000000
return 12;
if (ctl::to_string(NAN) != "nan")
return 13;
if (ctl::to_string(INFINITY) != "inf")
return 14;
if (ctl::to_string(-INFINITY) != "-inf")
return 15;
if (ctl::to_string(FLT_MIN) != "1.1754944e-38") // 0.000000 lool
return 16;
if (ctl::to_string(-FLT_MIN) != "-1.1754944e-38")
return 17;
if (ctl::to_string(FLT_MAX) != "3.4028235e+38")
return 18;
if (ctl::to_string(-FLT_MAX) != "-3.4028235e+38")
return 19;
}
// test double conversion
{
if (ctl::to_string(0.) != "0")
return 20;
if (ctl::to_string(-0.) != "-0")
return 21;
if (ctl::to_string(3.) != "3")
return 22;
if (ctl::to_string(2147483647.) != "2147483647")
return 23;
if (ctl::to_string(-2147483648.) != "-2147483648")
return 23;
if (ctl::to_string(10000000000.) != "1e+10")
return 23;
if (ctl::to_string(3.14) != "3.14")
return 23;
if (ctl::to_string(3.140001) != "3.140001")
return 24;
if (ctl::to_string(DBL_MIN) != "2.2250738585072014e-308")
return 25;
if (ctl::to_string(-DBL_MIN) != "-2.2250738585072014e-308")
return 26;
if (ctl::to_string(DBL_MAX) != "1.7976931348623157e+308")
return 27;
if (ctl::to_string(-DBL_MAX) != "-1.7976931348623157e+308")
return 28;
}
// test long double conversion
{
if (ctl::to_string(0.L) != "0")
return 29;
if (ctl::to_string(-0.L) != "-0")
return 30;
if (ctl::to_string(3.L) != "3")
return 31;
if (ctl::to_string(3.14L) != "3.14")
return 32;
if (ctl::to_string(LDBL_MAX) != "1.189731495357232e+4932")
return 33;
if (ctl::to_string(-LDBL_MAX) != "-1.189731495357232e+4932")
return 34;
}
CheckForMemoryLeaks();
}