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b7ed99426b
This change fixes the suite names all around the test files, to make them match to the folder name in which this test files are located. Also, the RCL test files are relocated to the consensus folder, because they are testing consensus functionality.
295 lines
8.1 KiB
C++
295 lines
8.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <xrpl/beast/core/LexicalCast.h>
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#include <xrpl/beast/unit_test.h>
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#include <xrpl/beast/xor_shift_engine.h>
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namespace beast {
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class LexicalCast_test : public unit_test::suite
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{
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public:
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template <class IntType>
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static IntType
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nextRandomInt(xor_shift_engine& r)
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{
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return static_cast<IntType>(r());
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}
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template <class IntType>
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void
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testInteger(IntType in)
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{
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std::string s;
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IntType out(in + 1);
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expect(lexicalCastChecked(s, in));
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expect(lexicalCastChecked(out, s));
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expect(out == in);
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}
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template <class IntType>
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void
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testIntegers(xor_shift_engine& r)
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{
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{
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std::stringstream ss;
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ss << "random " << typeid(IntType).name();
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testcase(ss.str());
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for (int i = 0; i < 1000; ++i)
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{
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IntType const value(nextRandomInt<IntType>(r));
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testInteger(value);
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}
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}
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{
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std::stringstream ss;
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ss << "numeric_limits <" << typeid(IntType).name() << ">";
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testcase(ss.str());
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testInteger(std::numeric_limits<IntType>::min());
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testInteger(std::numeric_limits<IntType>::max());
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}
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}
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void
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testPathologies()
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{
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testcase("pathologies");
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try
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{
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lexicalCastThrow<int>("\xef\xbc\x91\xef\xbc\x90"); // utf-8 encoded
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}
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catch (BadLexicalCast const&)
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{
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pass();
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}
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}
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template <class T>
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void
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tryBadConvert(std::string const& s)
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{
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T out;
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expect(!lexicalCastChecked(out, s), s);
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}
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void
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testConversionOverflows()
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{
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testcase("conversion overflows");
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tryBadConvert<std::uint64_t>("99999999999999999999");
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tryBadConvert<std::uint32_t>("4294967300");
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tryBadConvert<std::uint16_t>("75821");
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}
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void
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testConversionUnderflows()
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{
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testcase("conversion underflows");
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tryBadConvert<std::uint32_t>("-1");
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tryBadConvert<std::int64_t>("-99999999999999999999");
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tryBadConvert<std::int32_t>("-4294967300");
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tryBadConvert<std::int16_t>("-75821");
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}
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template <class T>
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bool
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tryEdgeCase(std::string const& s)
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{
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T ret;
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bool const result = lexicalCastChecked(ret, s);
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if (!result)
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return false;
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return s == std::to_string(ret);
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}
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void
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testEdgeCases()
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{
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testcase("conversion edge cases");
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expect(tryEdgeCase<std::uint64_t>("18446744073709551614"));
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expect(tryEdgeCase<std::uint64_t>("18446744073709551615"));
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expect(!tryEdgeCase<std::uint64_t>("18446744073709551616"));
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expect(tryEdgeCase<std::int64_t>("9223372036854775806"));
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expect(tryEdgeCase<std::int64_t>("9223372036854775807"));
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expect(!tryEdgeCase<std::int64_t>("9223372036854775808"));
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expect(tryEdgeCase<std::int64_t>("-9223372036854775807"));
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expect(tryEdgeCase<std::int64_t>("-9223372036854775808"));
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expect(!tryEdgeCase<std::int64_t>("-9223372036854775809"));
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expect(tryEdgeCase<std::uint32_t>("4294967294"));
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expect(tryEdgeCase<std::uint32_t>("4294967295"));
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expect(!tryEdgeCase<std::uint32_t>("4294967296"));
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expect(tryEdgeCase<std::int32_t>("2147483646"));
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expect(tryEdgeCase<std::int32_t>("2147483647"));
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expect(!tryEdgeCase<std::int32_t>("2147483648"));
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expect(tryEdgeCase<std::int32_t>("-2147483647"));
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expect(tryEdgeCase<std::int32_t>("-2147483648"));
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expect(!tryEdgeCase<std::int32_t>("-2147483649"));
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expect(tryEdgeCase<std::uint16_t>("65534"));
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expect(tryEdgeCase<std::uint16_t>("65535"));
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expect(!tryEdgeCase<std::uint16_t>("65536"));
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expect(tryEdgeCase<std::int16_t>("32766"));
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expect(tryEdgeCase<std::int16_t>("32767"));
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expect(!tryEdgeCase<std::int16_t>("32768"));
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expect(tryEdgeCase<std::int16_t>("-32767"));
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expect(tryEdgeCase<std::int16_t>("-32768"));
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expect(!tryEdgeCase<std::int16_t>("-32769"));
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}
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template <class T>
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void
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testThrowConvert(std::string const& s, bool success)
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{
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bool result = !success;
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T out;
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try
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{
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out = lexicalCastThrow<T>(s);
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result = true;
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}
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catch (BadLexicalCast const&)
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{
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result = false;
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}
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expect(result == success, s);
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}
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void
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testThrowingConversions()
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{
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testcase("throwing conversion");
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testThrowConvert<std::uint64_t>("99999999999999999999", false);
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testThrowConvert<std::uint64_t>("9223372036854775806", true);
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testThrowConvert<std::uint32_t>("4294967290", true);
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testThrowConvert<std::uint32_t>("42949672900", false);
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testThrowConvert<std::uint32_t>("429496729000", false);
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testThrowConvert<std::uint32_t>("4294967290000", false);
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testThrowConvert<std::int32_t>("5294967295", false);
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testThrowConvert<std::int32_t>("-2147483644", true);
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testThrowConvert<std::int16_t>("66666", false);
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testThrowConvert<std::int16_t>("-5711", true);
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}
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void
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testZero()
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{
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testcase("zero conversion");
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{
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std::int32_t out;
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expect(lexicalCastChecked(out, "-0"), "0");
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expect(lexicalCastChecked(out, "0"), "0");
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expect(lexicalCastChecked(out, "+0"), "0");
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}
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{
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std::uint32_t out;
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expect(!lexicalCastChecked(out, "-0"), "0");
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expect(lexicalCastChecked(out, "0"), "0");
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expect(lexicalCastChecked(out, "+0"), "0");
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}
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}
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void
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testEntireRange()
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{
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testcase("entire range");
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std::int32_t i = std::numeric_limits<std::int16_t>::min();
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std::string const empty("");
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while (i <= std::numeric_limits<std::int16_t>::max())
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{
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std::int16_t j = static_cast<std::int16_t>(i);
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auto actual = std::to_string(j);
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auto result = lexicalCast(j, empty);
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expect(result == actual, actual + " (string to integer)");
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if (result == actual)
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{
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auto number = lexicalCast<std::int16_t>(result);
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if (number != j)
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expect(false, actual + " (integer to string)");
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}
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i++;
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}
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}
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void
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run() override
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{
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std::int64_t const seedValue = 50;
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xor_shift_engine r(seedValue);
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testIntegers<int>(r);
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testIntegers<unsigned int>(r);
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testIntegers<short>(r);
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testIntegers<unsigned short>(r);
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testIntegers<std::int32_t>(r);
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testIntegers<std::uint32_t>(r);
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testIntegers<std::int64_t>(r);
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testIntegers<std::uint64_t>(r);
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testPathologies();
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testConversionOverflows();
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testConversionUnderflows();
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testThrowingConversions();
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testZero();
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testEdgeCases();
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testEntireRange();
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}
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};
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BEAST_DEFINE_TESTSUITE(LexicalCast, beast, beast);
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} // namespace beast
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