mirror of
https://github.com/jart/cosmopolitan.git
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128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
// -*- mode:c++; indent-tabs-mode:nil; c-basic-offset:4; coding:utf-8 -*-
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// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
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//
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// Copyright 2024 Justine Alexandra Roberts Tunney
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//
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// Permission to use, copy, modify, and/or distribute this software for
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// any purpose with or without fee is hereby granted, provided that the
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// above copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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// AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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// DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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// PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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#include "ctl/string.h"
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#include "libc/limits.h"
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#include "libc/math.h"
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#include "libc/mem/leaks.h"
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int
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main()
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{
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// test integer conversion
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{
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if (ctl::to_string(0) != "0")
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return 1;
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if (ctl::to_string(3) != "3")
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return 1;
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if (ctl::to_string(INT32_MAX) != "2147483647")
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return 2;
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if (ctl::to_string(INT32_MIN) != "-2147483648")
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return 3;
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if (ctl::to_string(UINT32_MAX) != "4294967295")
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return 4;
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if (ctl::to_string(INT64_MAX) != "9223372036854775807")
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return 5;
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if (ctl::to_string(INT64_MIN) != "-9223372036854775808")
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return 6;
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if (ctl::to_string(UINT64_MAX) != "18446744073709551615")
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return 7;
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}
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// test float conversion
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// we diverge from std::to_string(float) because it's garbage
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{
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if (ctl::to_string(0.f) != "0") // 0.000000
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return 8;
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if (ctl::to_string(-0.f) != "-0") // 0.000000
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return 9;
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if (ctl::to_string(3.f) != "3") // 3.000000
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return 10;
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if (ctl::to_string(3.14f) != "3.14") // 3.140000
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return 11;
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if (ctl::to_string(3.140001f) != "3.140001")
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return 12;
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if (ctl::to_string(1000000000.f) != "1000000000") // 1000000000.000000
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return 12;
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if (ctl::to_string(10000000000.f) != "1e+10") // 10000000000.000000
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return 12;
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if (ctl::to_string(NAN) != "nan")
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return 13;
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if (ctl::to_string(INFINITY) != "inf")
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return 14;
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if (ctl::to_string(-INFINITY) != "-inf")
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return 15;
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if (ctl::to_string(FLT_MIN) != "1.1754944e-38") // 0.000000 lool
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return 16;
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if (ctl::to_string(-FLT_MIN) != "-1.1754944e-38")
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return 17;
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if (ctl::to_string(FLT_MAX) != "3.4028235e+38")
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return 18;
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if (ctl::to_string(-FLT_MAX) != "-3.4028235e+38")
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return 19;
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}
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// test double conversion
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{
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if (ctl::to_string(0.) != "0")
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return 20;
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if (ctl::to_string(-0.) != "-0")
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return 21;
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if (ctl::to_string(3.) != "3")
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return 22;
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if (ctl::to_string(2147483647.) != "2147483647")
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return 23;
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if (ctl::to_string(-2147483648.) != "-2147483648")
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return 23;
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if (ctl::to_string(10000000000.) != "1e+10")
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return 23;
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if (ctl::to_string(3.14) != "3.14")
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return 23;
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if (ctl::to_string(3.140001) != "3.140001")
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return 24;
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if (ctl::to_string(DBL_MIN) != "2.2250738585072014e-308")
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return 25;
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if (ctl::to_string(-DBL_MIN) != "-2.2250738585072014e-308")
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return 26;
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if (ctl::to_string(DBL_MAX) != "1.7976931348623157e+308")
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return 27;
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if (ctl::to_string(-DBL_MAX) != "-1.7976931348623157e+308")
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return 28;
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}
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// test long double conversion
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{
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if (ctl::to_string(0.L) != "0")
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return 29;
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if (ctl::to_string(-0.L) != "-0")
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return 30;
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if (ctl::to_string(3.L) != "3")
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return 31;
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if (ctl::to_string(3.14L) != "3.14")
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return 32;
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#if LDBL_MANT_DIG > 64
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if (ctl::to_string(LDBL_MAX) != "1.189731495357232e+4932")
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return 33;
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if (ctl::to_string(-LDBL_MAX) != "-1.189731495357232e+4932")
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return 34;
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#endif
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}
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CheckForMemoryLeaks();
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}
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