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Newtonsoft.Json/Src/Newtonsoft.Json.Tests/Utilities/ConvertUtilsTests.cs
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#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Globalization;
#if DNXCORE50
using Xunit;
using Test = Xunit.FactAttribute;
using Assert = Newtonsoft.Json.Tests.XUnitAssert;
#else
using NUnit.Framework;
#endif
using Newtonsoft.Json.Utilities;
namespace Newtonsoft.Json.Tests.Utilities
{
[TestFixture]
public class ConvertUtilsTests : TestFixtureBase
{
#if HAS_CUSTOM_DOUBLE_PARSE
private void AssertDoubleTryParse(string s, ParseResult expectedResult, double? expectedValue)
{
double d;
char[] c = s.ToCharArray();
ParseResult result = ConvertUtils.DoubleTryParse(c, 0, c.Length, out d);
double d2;
bool result2 = double.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out d2)
&& !s.StartsWith(".")
&& !s.EndsWith(".")
&& !(s.StartsWith("0") && s.Length > 1 && !s.StartsWith("0.") && !s.StartsWith("0e", StringComparison.OrdinalIgnoreCase))
&& !(s.StartsWith("-0") && s.Length > 2 && !s.StartsWith("-0.") && !s.StartsWith("-0e", StringComparison.OrdinalIgnoreCase))
&& s.IndexOf(".e", StringComparison.OrdinalIgnoreCase) == -1;
Assert.AreEqual(expectedResult, result);
Assert.AreEqual(expectedResult == ParseResult.Success, result2);
if (result2)
{
Assert.IsTrue(expectedValue.HasValue);
Assert.AreEqual(expectedValue.Value, d, "Input string: " + s);
Assert.AreEqual(expectedValue.Value, d2, "DoubleTryParse result is not equal to double.Parse. Input string: " + s);
}
}
[Test]
public void DoubleTryParse()
{
AssertDoubleTryParse("0e-10", ParseResult.Success, 0e-10);
AssertDoubleTryParse("0E-10", ParseResult.Success, 0e-10);
AssertDoubleTryParse("0.1", ParseResult.Success, 0.1);
AssertDoubleTryParse("567.89", ParseResult.Success, 567.89);
AssertDoubleTryParse("0.25e+5", ParseResult.Success, 25000d);
AssertDoubleTryParse("0.25e-5", ParseResult.Success, 0.0000025d);
AssertDoubleTryParse("-123", ParseResult.Success, -123);
AssertDoubleTryParse("0", ParseResult.Success, 0);
AssertDoubleTryParse("123", ParseResult.Success, 123);
AssertDoubleTryParse("-567.89", ParseResult.Success, -567.89);
AssertDoubleTryParse("1E23", ParseResult.Success, 1E23);
AssertDoubleTryParse("1.1E23", ParseResult.Success, 1.1E23);
AssertDoubleTryParse("1E+23", ParseResult.Success, 1E+23);
AssertDoubleTryParse("1E-1", ParseResult.Success, 1E-1);
AssertDoubleTryParse("1E-2", ParseResult.Success, 1E-2);
AssertDoubleTryParse("1E-3", ParseResult.Success, 1E-3);
AssertDoubleTryParse("1E-4", ParseResult.Success, 1E-4);
AssertDoubleTryParse("1E-5", ParseResult.Success, 1E-5);
AssertDoubleTryParse("1E-10", ParseResult.Success, 1E-10);
AssertDoubleTryParse("1E-20", ParseResult.Success, 1E-20);
AssertDoubleTryParse("1", ParseResult.Success, 1);
AssertDoubleTryParse("1.2", ParseResult.Success, 1.2);
AssertDoubleTryParse("1E-21", ParseResult.Success, 1E-21);
AssertDoubleTryParse("1E-22", ParseResult.Success, 1E-22);
AssertDoubleTryParse("1E-23", ParseResult.Success, 1E-23);
AssertDoubleTryParse("1E-25", ParseResult.Success, 1E-25);
AssertDoubleTryParse("1E-50", ParseResult.Success, 1E-50);
AssertDoubleTryParse("1E-75", ParseResult.Success, 1E-75);
AssertDoubleTryParse("1E-100", ParseResult.Success, 1E-100);
AssertDoubleTryParse("1E-300", ParseResult.Success, 1E-300);
AssertDoubleTryParse("1E+309", ParseResult.Overflow, null);
AssertDoubleTryParse("-1E+5000", ParseResult.Overflow, null);
AssertDoubleTryParse("01E308", ParseResult.Invalid, null);
AssertDoubleTryParse("-01E308", ParseResult.Invalid, null);
AssertDoubleTryParse("1.", ParseResult.Invalid, null);
AssertDoubleTryParse("0.", ParseResult.Invalid, null);
AssertDoubleTryParse(".1E23", ParseResult.Invalid, null);
AssertDoubleTryParse("1..1E23", ParseResult.Invalid, null);
AssertDoubleTryParse("1.E23", ParseResult.Invalid, null);
AssertDoubleTryParse("1E2.3", ParseResult.Invalid, null);
AssertDoubleTryParse("1EE-10", ParseResult.Invalid, null);
AssertDoubleTryParse("1E-1-0", ParseResult.Invalid, null);
AssertDoubleTryParse("1-E10", ParseResult.Invalid, null);
AssertDoubleTryParse("", ParseResult.Invalid, null);
AssertDoubleTryParse("5.1231231E", ParseResult.Invalid, null);
AssertDoubleTryParse("1E+23i", ParseResult.Invalid, null);
AssertDoubleTryParse("1EE+23", ParseResult.Invalid, null);
AssertDoubleTryParse("1E++23", ParseResult.Invalid, null);
AssertDoubleTryParse("1E--23", ParseResult.Invalid, null);
AssertDoubleTryParse("E23", ParseResult.Invalid, null);
AssertDoubleTryParse("4.94065645841247E-324", ParseResult.Success, 4.94065645841247E-324);
AssertDoubleTryParse("4.94065645841247E-342", ParseResult.Success, 4.94065645841247E-342);
AssertDoubleTryParse("4.94065645841247E-555", ParseResult.Success, 0);
AssertDoubleTryParse("1.7976931348623157E+308", ParseResult.Success, double.MaxValue);
AssertDoubleTryParse("-1.7976931348623157E+308", ParseResult.Success, double.MinValue);
AssertDoubleTryParse("1.7976931348623159E+308", ParseResult.Overflow, null);
AssertDoubleTryParse("-1.7976931348623159E+308", ParseResult.Overflow, null);
AssertDoubleTryParse("1E4294967297", ParseResult.Overflow, null);
AssertDoubleTryParse("1E4294967297B", ParseResult.Invalid, null);
AssertDoubleTryParse("1E-4294967297", ParseResult.Success, 0);
}
[Test]
public void DoubleTryParse_Exponents()
{
AssertDoubleTryParse("4.94065645841247e-324", ParseResult.Success, double.Epsilon);
AssertDoubleTryParse("4.9406564584124654E-324", ParseResult.Success, 4.9406564584124654E-324);
AssertDoubleTryParse("4.9406564584124654E-325", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-460", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-461", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-462", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-463", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-464", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-465", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E-555", ParseResult.Success, 0);
AssertDoubleTryParse("4.94065645841247E+555", ParseResult.Overflow, null);
}
#endif
private void AssertDecimalTryParse(string s, ParseResult expectedResult, decimal? expectedValue)
{
decimal d;
char[] c = s.ToCharArray();
ParseResult result = ConvertUtils.DecimalTryParse(c, 0, c.Length, out d);
decimal d2;
bool result2 = decimal.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out d2)
&& !s.StartsWith(".")
&& !s.EndsWith(".")
&& !(s.StartsWith("0") && s.Length > 1 && !s.StartsWith("0.") && !s.StartsWith("0e", StringComparison.OrdinalIgnoreCase))
&& !(s.StartsWith("-0") && s.Length > 2 && !s.StartsWith("-0.") && !s.StartsWith("-0e", StringComparison.OrdinalIgnoreCase))
&& s.IndexOf(".e", StringComparison.OrdinalIgnoreCase) == -1;
Assert.AreEqual(expectedResult, result);
Assert.AreEqual(expectedResult == ParseResult.Success, result2);
if (result2)
{
Assert.IsTrue(expectedValue.HasValue);
Assert.AreEqual(expectedValue.Value, d, "Input string: " + s);
Assert.AreEqual(expectedValue.Value, d2, "DecimalTryParse result is not equal to decimal.Parse. Input string: " + s);
Assert.AreEqual(expectedValue.Value.ToString(), d.ToString());
}
}
[Test]
public void DecimalTryParse()
{
AssertDecimalTryParse("0", ParseResult.Success, 0M);
AssertDecimalTryParse("-0", ParseResult.Success, 0M);
AssertDecimalTryParse("1", ParseResult.Success, 1M);
AssertDecimalTryParse("-1", ParseResult.Success, -1M);
AssertDecimalTryParse("1E1", ParseResult.Success, 10M);
AssertDecimalTryParse("1E28", ParseResult.Success, 10000000000000000000000000000M);
AssertDecimalTryParse("1.0", ParseResult.Success, 1.0M);
AssertDecimalTryParse("1.10000", ParseResult.Success, 1.10000M);
AssertDecimalTryParse("1000.000000000000", ParseResult.Success, 1000.000000000000M);
AssertDecimalTryParse("87.50", ParseResult.Success, 87.50M);
AssertDecimalTryParse("1.2345678901234567890123456789", ParseResult.Success, 1.2345678901234567890123456789M);
AssertDecimalTryParse("1.0000000000000000000000000001", ParseResult.Success, 1.0000000000000000000000000001M);
AssertDecimalTryParse("-1.0000000000000000000000000001", ParseResult.Success, -1.0000000000000000000000000001M);
AssertDecimalTryParse(decimal.MaxValue.ToString(CultureInfo.InvariantCulture), ParseResult.Success, decimal.MaxValue);
AssertDecimalTryParse(decimal.MinValue.ToString(CultureInfo.InvariantCulture), ParseResult.Success, decimal.MinValue);
AssertDecimalTryParse("12345678901234567890123456789", ParseResult.Success, 12345678901234567890123456789M);
AssertDecimalTryParse("12345678901234567890123456789.4", ParseResult.Success, 12345678901234567890123456789M);
AssertDecimalTryParse("12345678901234567890123456789.5", ParseResult.Success, 12345678901234567890123456790M);
AssertDecimalTryParse("-12345678901234567890123456789", ParseResult.Success, -12345678901234567890123456789M);
AssertDecimalTryParse("-12345678901234567890123456789.4", ParseResult.Success, -12345678901234567890123456789M);
AssertDecimalTryParse("-12345678901234567890123456789.5", ParseResult.Success, -12345678901234567890123456790M);
AssertDecimalTryParse("1.2345678901234567890123456789e-25", ParseResult.Success, 0.0000000000000000000000001235M);
AssertDecimalTryParse("1.2345678901234567890123456789e-26", ParseResult.Success, 0.0000000000000000000000000123M);
AssertDecimalTryParse("1.2345678901234567890123456789e-28", ParseResult.Success, 0.0000000000000000000000000001M);
AssertDecimalTryParse("1.2345678901234567890123456789e-29", ParseResult.Success, 0M);
#if !(NET20 || NET35)
AssertDecimalTryParse("1E-999", ParseResult.Success, 0M);
#endif
for (decimal i = -100; i < 100; i += 0.1m)
{
AssertDecimalTryParse(i.ToString(CultureInfo.InvariantCulture), ParseResult.Success, i);
}
AssertDecimalTryParse("1E+29", ParseResult.Overflow, null);
AssertDecimalTryParse("-1E+29", ParseResult.Overflow, null);
AssertDecimalTryParse("79228162514264337593543950336", ParseResult.Overflow, null); // decimal.MaxValue + 1
AssertDecimalTryParse("-79228162514264337593543950336", ParseResult.Overflow, null); // decimal.MinValue - 1
AssertDecimalTryParse("1-1", ParseResult.Invalid, null);
AssertDecimalTryParse("1-", ParseResult.Invalid, null);
AssertDecimalTryParse("--1", ParseResult.Invalid, null);
AssertDecimalTryParse("-", ParseResult.Invalid, null);
AssertDecimalTryParse(".", ParseResult.Invalid, null);
AssertDecimalTryParse("01E28", ParseResult.Invalid, null);
AssertDecimalTryParse("-01E28", ParseResult.Invalid, null);
AssertDecimalTryParse("1.", ParseResult.Invalid, null);
AssertDecimalTryParse("0.", ParseResult.Invalid, null);
AssertDecimalTryParse(".1E23", ParseResult.Invalid, null);
AssertDecimalTryParse("1..1E23", ParseResult.Invalid, null);
AssertDecimalTryParse("1.E23", ParseResult.Invalid, null);
AssertDecimalTryParse("1E2.3", ParseResult.Invalid, null);
AssertDecimalTryParse("1EE-10", ParseResult.Invalid, null);
AssertDecimalTryParse("1E-1-0", ParseResult.Invalid, null);
AssertDecimalTryParse("1-E10", ParseResult.Invalid, null);
AssertDecimalTryParse("", ParseResult.Invalid, null);
AssertDecimalTryParse("5.1231231E", ParseResult.Invalid, null);
AssertDecimalTryParse("1E+23i", ParseResult.Invalid, null);
AssertDecimalTryParse("1EE+23", ParseResult.Invalid, null);
AssertDecimalTryParse("1E++23", ParseResult.Invalid, null);
AssertDecimalTryParse("1E--23", ParseResult.Invalid, null);
AssertDecimalTryParse("E23", ParseResult.Invalid, null);
AssertDecimalTryParse("00", ParseResult.Invalid, null);
}
[Test]
public void Int64TryParse()
{
long l;
char[] c = "43443333222211111117".ToCharArray();
ParseResult result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Overflow, result);
c = "9223372036854775807".ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Success, result);
Assert.AreEqual(9223372036854775807L, l);
c = "9223372036854775808".ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Overflow, result);
for (int i = 3; i < 10; i++)
{
c = ("9" + i + "23372036854775807").ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Overflow, result);
}
c = "-9223372036854775808".ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Success, result);
Assert.AreEqual(-9223372036854775808L, l);
c = "-9223372036854775809".ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Overflow, result);
for (int i = 3; i < 10; i++)
{
c = ("-9" + i + "23372036854775808").ToCharArray();
result = ConvertUtils.Int64TryParse(c, 0, c.Length, out l);
Assert.AreEqual(ParseResult.Overflow, result);
}
}
[Test]
public void Int32TryParse()
{
int i;
char[] c = "43443333227".ToCharArray();
ParseResult result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Overflow, result);
c = "2147483647".ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Success, result);
Assert.AreEqual(2147483647, i);
c = "2147483648".ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Overflow, result);
c = "-2147483648".ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Success, result);
Assert.AreEqual(-2147483648, i);
c = "-2147483649".ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Overflow, result);
for (int j = 2; j < 10; j++)
{
for (int k = 2; k < 10; k++)
{
string t = j.ToString(CultureInfo.InvariantCulture) + k.ToString(CultureInfo.InvariantCulture) + "47483647";
c = t.ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Overflow, result);
}
}
for (int j = 2; j < 10; j++)
{
for (int k = 2; k < 10; k++)
{
string t = "-" + j.ToString(CultureInfo.InvariantCulture) + k.ToString(CultureInfo.InvariantCulture) + "47483648";
c = t.ToCharArray();
result = ConvertUtils.Int32TryParse(c, 0, c.Length, out i);
Assert.AreEqual(ParseResult.Overflow, result);
}
}
}
[Test]
public void HexParse()
{
HexParseSame("0000");
HexParseSame("1234");
HexParseSame("4321");
HexParseSame("abcd");
HexParseSame("dcba");
HexParseSame("ffff");
HexParseSame("ABCD");
HexParseSame("DCBA");
HexParseSame("FFFF");
}
[Test]
public void HexParseOffset()
{
int value;
Assert.IsTrue(ConvertUtils.TryHexTextToInt("!0000".ToCharArray(), 1, 5, out value));
Assert.AreEqual(0, value);
}
[Test]
public void HexParseError()
{
int value;
Assert.IsFalse(ConvertUtils.TryHexTextToInt("-100".ToCharArray(), 0, 4, out value));
Assert.IsFalse(ConvertUtils.TryHexTextToInt("000g".ToCharArray(), 0, 4, out value));
Assert.IsFalse(ConvertUtils.TryHexTextToInt(" ssd".ToCharArray(), 0, 4, out value));
Assert.IsFalse(ConvertUtils.TryHexTextToInt("000:".ToCharArray(), 0, 4, out value));
Assert.IsFalse(ConvertUtils.TryHexTextToInt("000G".ToCharArray(), 0, 4, out value));
}
private void HexParseSame(string text)
{
int v1 = int.Parse(text, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
int v2;
Assert.IsTrue(ConvertUtils.TryHexTextToInt(text.ToCharArray(), 0, 4, out v2));
Assert.AreEqual(v1, v2, "Invalid result when parsing hex text: " + text);
}
}
}
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