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Split tests in more classes.

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This commit is contained in:
GoldenCrystal
2016-08-09 00:06:04 +02:00
parent c7230ad446
commit a997a88505
6 changed files with 373 additions and 254 deletions
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UnicodeInformation.Tests/CodePointEnumerableTests.cs
+80
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@@ -0,0 +1,80 @@
using System;
using System.Unicode;
using System.Collections.Generic;
using Xunit;
using System.Collections;
using System.Linq;
namespace UnicodeInformation.Tests
{
public class CodePointEnumerableTests
{
public static readonly TheoryData<int[], string> EnumerationTestData = new TheoryData<int[], string>
{
{ new int[0], "" },
{ new int[] { 0x0041,0x1F600, 0x00E9 }, "\u0041\U0001F600\u00E9" },
};
[Theory]
[MemberData(nameof(EnumerationTestData))]
public void EnumerationShouldHaveExpectedResults(int[] expectedCharacters, string text)
{
var enumerable = text.AsCodePointEnumerable();
// Test C# foreach enumeration
{
int i = 0;
foreach (int codePoint in enumerable)
{
Assert.Equal(expectedCharacters[i++], codePoint);
}
Assert.Equal(expectedCharacters.Length, i);
}
// Test generic enumerable
Assert.Equal(expectedCharacters, from codePoint in enumerable select codePoint);
// Test legacy enumeration
{
// We could use Enumerable.Cast<>, but we can't guarantee that the LINQ implementation we use wouldn't be smart and cast IEnumerable back to IEnumerable<int>
var legacyEnumerator = ((IEnumerable)enumerable).GetEnumerator();
int index = 0;
while (legacyEnumerator.MoveNext())
{
Assert.True(index < expectedCharacters.Length);
Assert.Equal(expectedCharacters[index++], Assert.IsType<int>(legacyEnumerator.Current));
}
Assert.Equal(expectedCharacters.Length, index);
}
}
[Fact]
public void NullArgumentShouldThrowArgumentNullException()
{
Assert.Throws<ArgumentNullException>(() => { foreach (int codePoint in (null as string).AsCodePointEnumerable()) { } });
}
public static readonly TheoryData<XUnitSerializableString> EnumerationFailureTestData = new TheoryData<XUnitSerializableString>
{
"\uDA00",
"\uDCD0",
"\uDCD0\uDA00",
"\u0041\uDA00",
"\u0041\uDCD0",
"\uDA00\u0041",
"\uDCD0\u0041",
"\uDA00\u0041\uDCD0\u0041",
"\u0041\uDA00\u0041\uDCD0\u0041",
};
[Theory]
[MemberData(nameof(EnumerationFailureTestData))]
public void EnumerationOfInvalidUtf16StringsShouldThrowArgumentException(XUnitSerializableString text)
{
Assert.Throws<ArgumentException>(() => { foreach (int codePoint in ((string)text).AsCodePointEnumerable()) { } });
}
}
}
UnicodeInformation.Tests/PermissiveCodePointEnumerableTests.cs
+69
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@@ -0,0 +1,69 @@
using System;
using System.Unicode;
using System.Collections.Generic;
using Xunit;
using System.Collections;
using System.Linq;
namespace UnicodeInformation.Tests
{
public class PermissiveCodePointEnumerableTests
{
public static readonly TheoryData<int[], XUnitSerializableString> EnumerationTestData = new TheoryData<int[], XUnitSerializableString>
{
{ new int[0], "" },
{ new int[] { 0xDA00 }, "\uDA00" },
{ new int[] { 0xDCD0 }, "\uDCD0" },
{ new int[] { 0xDCD0, 0xDA00 }, "\uDCD0\uDA00" },
{ new int[] { 0x0041, 0xDA00 }, "\u0041\uDA00" },
{ new int[] { 0x0041, 0xDCD0 }, "\u0041\uDCD0" },
{ new int[] { 0xDA00, 0x0041 }, "\uDA00\u0041" },
{ new int[] { 0xDCD0, 0x0041 }, "\uDCD0\u0041" },
{ new int[] { 0xDA00, 0x0041, 0xDCD0, 0x0041 }, "\uDA00\u0041\uDCD0\u0041" },
{ new int[] { 0x0041, 0xDA00, 0x0041, 0xDCD0, 0x0041 }, "\u0041\uDA00\u0041\uDCD0\u0041" },
{ new int[] { 0x0041, 0x1F600, 0x00E9 }, "\u0041\U0001F600\u00E9" },
};
[Theory]
[MemberData(nameof(EnumerationTestData))]
public void EnumerationShouldHaveExpectedResults(int[] expectedCharacters, XUnitSerializableString text)
{
var enumerable = ((string)text).AsPermissiveCodePointEnumerable();
// Test C# foreach enumeration
{
int i = 0;
foreach (int codePoint in enumerable)
{
Assert.Equal(expectedCharacters[i++], codePoint);
}
Assert.Equal(expectedCharacters.Length, i);
}
// Test generic enumerable
Assert.Equal(expectedCharacters, from codePoint in enumerable select codePoint);
// Test legacy enumeration
{
// We could use Enumerable.Cast<>, but we can't guarantee that the LINQ implementation we use wouldn't be smart and cast IEnumerable back to IEnumerable<int>
var legacyEnumerator = ((IEnumerable)enumerable).GetEnumerator();
int index = 0;
while (legacyEnumerator.MoveNext())
{
Assert.True(index < expectedCharacters.Length);
Assert.Equal(expectedCharacters[index++], Assert.IsType<int>(legacyEnumerator.Current));
}
Assert.Equal(expectedCharacters.Length, index);
}
}
[Fact]
public void NullArgumentShouldThrowArgumentNullException()
{
Assert.Throws<ArgumentNullException>(() => { foreach (int c in (null as string).AsPermissiveCodePointEnumerable()) { } });
}
}
}
UnicodeInformation.Tests/UnicodeInfoTests.cs
+11 -254
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@@ -5,211 +5,19 @@ using System.Collections.Generic;
using System.Collections; using System.Collections;
using Xunit; using Xunit;
using System.Linq; using System.Linq;
using Xunit.Abstractions;
using System.Text;
namespace UnicodeInformation.Tests namespace UnicodeInformation.Tests
{ {
public class UnicodeInfoTests public class UnicodeInfoTests
{ {
// This class is needed because apparently, somewhere in the process of unit testing, strings with invalid UTF-16 sequences are "fixed", which totally messes up the tests here.
// This is just a wrapper over regular strings… Data is serialized as an array of chars instead of a string. This seems to do the trick.
public class XUnitSerializableString : IEquatable<XUnitSerializableString>, IXunitSerializable
{
private string value;
public XUnitSerializableString() : this(null) { }
public XUnitSerializableString(string value)
{
this.value = value;
}
void IXunitSerializable.Deserialize(IXunitSerializationInfo info)
{
var chars = info.GetValue<char[]>("Chars");
value = chars != null ?
new string(chars) :
null;
}
void IXunitSerializable.Serialize(IXunitSerializationInfo info)
{
info.AddValue("Chars", value?.ToCharArray(), typeof(char[]));
}
public override string ToString()
{
if (string.IsNullOrEmpty(value)) return value;
var sb = new StringBuilder(value.Length * 6);
foreach (char c in value)
{
sb.Append(@"\u")
.Append(((ushort)c).ToString("X4"));
}
return sb.ToString();
}
public bool Equals(XUnitSerializableString other) => value == other.value;
public override bool Equals(object obj) => obj is XUnitSerializableString && Equals((XUnitSerializableString)obj);
public override int GetHashCode() => StringComparer.Ordinal.GetHashCode(value);
public static implicit operator string(XUnitSerializableString text) => text.value;
public static implicit operator XUnitSerializableString(string text) => new XUnitSerializableString(text);
}
[Fact] [Fact]
public void TestUnicodeVersion() public void UnicodeVersionShouldBeTheLatestSupported()
{ {
Assert.Equal(new Version(9, 0, 0), UnicodeInfo.UnicodeVersion); Assert.Equal(new Version(9, 0, 0), UnicodeInfo.UnicodeVersion);
} }
[Fact]
public void TestCodePointEnumerator()
{
string text = "\u0041\U0001F600\u00E9";
var enumerable = text.AsCodePointEnumerable();
Assert.Equal(text, enumerable.Text);
var enumerator = enumerable.GetEnumerator();
Assert.True(enumerator.MoveNext());
Assert.Equal(0x0041, enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.Equal(0x1F600, enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.Equal(0x00E9, enumerator.Current);
Assert.False(enumerator.MoveNext());
var genericEnumerator = ((IEnumerable<int>)enumerable).GetEnumerator();
Assert.True(genericEnumerator.MoveNext());
Assert.Equal(0x0041, genericEnumerator.Current);
Assert.True(genericEnumerator.MoveNext());
Assert.Equal(0x1F600, genericEnumerator.Current);
Assert.True(genericEnumerator.MoveNext());
Assert.Equal(0x00E9, genericEnumerator.Current);
Assert.False(genericEnumerator.MoveNext());
var legacyEnumerator = ((IEnumerable)enumerable).GetEnumerator();
Assert.True(legacyEnumerator.MoveNext());
Assert.Equal(0x0041, legacyEnumerator.Current);
Assert.True(legacyEnumerator.MoveNext());
Assert.Equal(0x1F600, legacyEnumerator.Current);
Assert.True(legacyEnumerator.MoveNext());
Assert.Equal(0x00E9, legacyEnumerator.Current);
Assert.False(legacyEnumerator.MoveNext());
}
private static void EnumerationFailTest(string text) { foreach (int codePoint in text.AsCodePointEnumerable()) { } }
public void TestCodePointEnumeratorNullArgument()
{
Assert.Throws<ArgumentNullException>
(
() =>
{
foreach (int codePoint in (null as string).AsCodePointEnumerable())
{
}
}
);
}
public static readonly TheoryData<XUnitSerializableString> InvalidUtf16Strings = new TheoryData<XUnitSerializableString>
{
"\uDA00",
"\uDCD0",
"\uDCD0\uDA00",
"\u0041\uDA00",
"\u0041\uDCD0",
"\uDA00\u0041",
"\uDCD0\u0041",
"\uDA00\u0041\uDCD0\u0041",
"\u0041\uDA00\u0041\uDCD0\u0041",
};
[Theory]
[MemberData(nameof(InvalidUtf16Strings))]
public void TestCodePointEnumeratorFailures(XUnitSerializableString text)
{
Assert.Throws<ArgumentException>
(
() =>
{
foreach (int codePoint in ((string)text).AsCodePointEnumerable())
{
}
}
);
}
public static readonly TheoryData<int[], XUnitSerializableString> PermissiveCodePointEnumeratorTestData = new TheoryData<int[], XUnitSerializableString>
{
{ new int[0], "" },
{ new int[] { 0xDA00 }, "\uDA00" },
{ new int[] { 0xDCD0 }, "\uDCD0" },
{ new int[] { 0xDCD0, 0xDA00 }, "\uDCD0\uDA00" },
{ new int[] { 0x0041, 0xDA00 }, "\u0041\uDA00" },
{ new int[] { 0x0041, 0xDCD0 }, "\u0041\uDCD0" },
{ new int[] { 0xDA00, 0x0041 }, "\uDA00\u0041" },
{ new int[] { 0xDCD0, 0x0041 }, "\uDCD0\u0041" },
{ new int[] { 0xDA00, 0x0041, 0xDCD0, 0x0041 }, "\uDA00\u0041\uDCD0\u0041" },
{ new int[] { 0x0041, 0xDA00, 0x0041, 0xDCD0, 0x0041 }, "\u0041\uDA00\u0041\uDCD0\u0041" },
{ new int[] { 0x0041, 0x1F600, 0x00E9 }, "\u0041\U0001F600\u00E9" },
};
[Theory]
[MemberData(nameof(PermissiveCodePointEnumeratorTestData))]
public void TestPermissiveCodePointEnumerator(int[] expectedCharacters, XUnitSerializableString text)
{
var enumerable = ((string)text).AsPermissiveCodePointEnumerable();
// Test C# foreach enumeration
{
int i = 0;
foreach (int codePoint in enumerable)
{
Assert.Equal(expectedCharacters[i++], codePoint);
}
Assert.Equal(expectedCharacters.Length, i);
}
// Test generic enumerable
Assert.Equal(expectedCharacters, from codePoint in enumerable select codePoint);
// Test legacy enumeration
{
// We could use Enumerable.Cast<>, but we can't guarantee that the LINQ implementation we use wouldn't be smart and cast IEnumerable back to IEnumerable<int>
var legacyEnumerator = ((IEnumerable)enumerable).GetEnumerator();
int index = 0;
while (legacyEnumerator.MoveNext())
{
Assert.True(index < expectedCharacters.Length);
Assert.Equal(expectedCharacters[index++], Assert.IsType<int>(legacyEnumerator.Current));
}
Assert.Equal(expectedCharacters.Length, index);
}
}
[Fact] [Fact]
public void TestPermissiveCodePointEnumeratorFailure() public void ControlCharactersShouldHaveSpecificDisplayText()
{
Assert.Throws<ArgumentNullException>(() => { foreach (int c in (null as string).AsPermissiveCodePointEnumerable()) { } });
}
[Fact]
public void TestDisplayTextForControlCharacters()
{ {
for (int i = 0; i <= 0x20; ++i) for (int i = 0; i <= 0x20; ++i)
{ {
@@ -222,7 +30,7 @@ namespace UnicodeInformation.Tests
[InlineData("\u0041", 0x0041)] [InlineData("\u0041", 0x0041)]
[InlineData("\U0001F600", 0x1F600)] [InlineData("\U0001F600", 0x1F600)]
[InlineData("\u00E9", 0x00E9)] [InlineData("\u00E9", 0x00E9)]
public void TestDisplayText(string expectedText, int codePoint) public void DisplayTextShouldReturnExpectedResult(string expectedText, int codePoint)
{ {
Assert.Equal(expectedText, UnicodeInfo.GetDisplayText(codePoint)); Assert.Equal(expectedText, UnicodeInfo.GetDisplayText(codePoint));
} }
@@ -246,7 +54,7 @@ namespace UnicodeInformation.Tests
[InlineData(0x0D5D, UnicodeCategory.OtherNumber, UnicodeNumericType.Numeric, "3/20", "MALAYALAM FRACTION THREE TWENTIETHS", "Malayalam")] [InlineData(0x0D5D, UnicodeCategory.OtherNumber, UnicodeNumericType.Numeric, "3/20", "MALAYALAM FRACTION THREE TWENTIETHS", "Malayalam")]
[InlineData(0x0D59, UnicodeCategory.OtherNumber, UnicodeNumericType.Numeric, "1/40", "MALAYALAM FRACTION ONE FORTIETH", "Malayalam")] [InlineData(0x0D59, UnicodeCategory.OtherNumber, UnicodeNumericType.Numeric, "1/40", "MALAYALAM FRACTION ONE FORTIETH", "Malayalam")]
[InlineData(0x1F953, UnicodeCategory.OtherSymbol, UnicodeNumericType.None, null, "BACON", "Supplemental Symbols and Pictographs")] [InlineData(0x1F953, UnicodeCategory.OtherSymbol, UnicodeNumericType.None, null, "BACON", "Supplemental Symbols and Pictographs")]
public void TestCharacterInfo(int codePoint, UnicodeCategory expectedCategory, UnicodeNumericType expectedNumericType, string expectedNumericValue, string expectedName, string expectedBlock) public void CharacterInfoShouldHaveExpectedResults(int codePoint, UnicodeCategory expectedCategory, UnicodeNumericType expectedNumericType, string expectedNumericValue, string expectedName, string expectedBlock)
{ {
var info = UnicodeInfo.GetCharInfo(codePoint); var info = UnicodeInfo.GetCharInfo(codePoint);
Assert.Equal(codePoint, info.CodePoint); Assert.Equal(codePoint, info.CodePoint);
@@ -259,63 +67,12 @@ namespace UnicodeInformation.Tests
Assert.Equal(expectedBlock, info.Block); Assert.Equal(expectedBlock, info.Block);
} }
[Fact]
public void TestRationalNumber()
{
Assert.True(default(UnicodeRationalNumber).IsDefaultValue);
Assert.Equal("1", new UnicodeRationalNumber(1).ToString());
Assert.Equal("1", new UnicodeRationalNumber(1, 1).ToString());
Assert.Equal(new UnicodeRationalNumber(1), new UnicodeRationalNumber(1, 1));
Assert.Equal("1/100", new UnicodeRationalNumber(1, 100).ToString());
Assert.Equal("-20/7", new UnicodeRationalNumber(-20, 7).ToString());
Assert.Equal("-5", new UnicodeRationalNumber(-5).ToString());
Assert.Equal(long.MaxValue.ToString(), new UnicodeRationalNumber(long.MaxValue).ToString());
Assert.Equal(long.MaxValue.ToString() + "/" + byte.MaxValue.ToString(), new UnicodeRationalNumber(long.MaxValue, byte.MaxValue).ToString());
Assert.Equal(string.Empty, default(UnicodeRationalNumber).ToString());
Assert.Equal(new UnicodeRationalNumber(0), UnicodeRationalNumber.Parse("0"));
Assert.Equal(new UnicodeRationalNumber(1), UnicodeRationalNumber.Parse("1"));
Assert.Equal(new UnicodeRationalNumber(1), UnicodeRationalNumber.Parse("1/1"));
Assert.Equal(new UnicodeRationalNumber(1, 10), UnicodeRationalNumber.Parse("1/10"));
Assert.NotEqual(new UnicodeRationalNumber(2, 10), UnicodeRationalNumber.Parse("1/10"));
Assert.NotEqual(new UnicodeRationalNumber(1, 20), UnicodeRationalNumber.Parse("1/10"));
Assert.NotEqual(new UnicodeRationalNumber(2, 2), new UnicodeRationalNumber(1, 1));
Assert.Throws<ArgumentNullException>(() => UnicodeRationalNumber.Parse(null));
Assert.Throws<ArgumentException>(() => UnicodeRationalNumber.Parse(string.Empty));
var numbers = new[]
{
default(UnicodeRationalNumber),
new UnicodeRationalNumber(0),
new UnicodeRationalNumber(1),
new UnicodeRationalNumber(1, 10),
new UnicodeRationalNumber(1, 100),
new UnicodeRationalNumber(10),
new UnicodeRationalNumber(100),
new UnicodeRationalNumber(1000),
new UnicodeRationalNumber(1000000),
new UnicodeRationalNumber(1000000000),
new UnicodeRationalNumber(1000000000000),
};
var hashSet = new HashSet<UnicodeRationalNumber>();
// Verify that all numbers are unique
foreach (var number in numbers)
Assert.True(hashSet.Add(number));
// Verify that all numbers are already in the list
foreach (var number in numbers)
Assert.False(hashSet.Add(number));
}
#if DEBUG #if DEBUG
[Theory] [Theory]
[InlineData('\0')] [InlineData('\0')]
[InlineData('\uABFF')] [InlineData('\uABFF')]
[InlineData('\uD7A5')] [InlineData('\uD7A5')]
public void TestHangulNameFailure(char codePoint) public void HangulNameShouldFailForNonHangulCodePoints(char codePoint)
{ {
Assert.Throws<ArgumentOutOfRangeException>(() => HangulInfo.GetHangulName(codePoint)); Assert.Throws<ArgumentOutOfRangeException>(() => HangulInfo.GetHangulName(codePoint));
} }
@@ -326,7 +83,7 @@ namespace UnicodeInformation.Tests
[InlineData("HANGUL SYLLABLE PWAENG", 0xD439)] [InlineData("HANGUL SYLLABLE PWAENG", 0xD439)]
[InlineData("HANGUL SYLLABLE PANJ", 0xD311)] [InlineData("HANGUL SYLLABLE PANJ", 0xD311)]
[InlineData("HANGUL SYLLABLE TOLM", 0xD1AA)] [InlineData("HANGUL SYLLABLE TOLM", 0xD1AA)]
public void TestHangulName(string expectedName, int codePoint) public void HangulNameShouldReturnExpectedResult(string expectedName, int codePoint)
{ {
Assert.Equal(expectedName, UnicodeInfo.GetName(codePoint)); Assert.Equal(expectedName, UnicodeInfo.GetName(codePoint));
} }
@@ -336,7 +93,7 @@ namespace UnicodeInformation.Tests
[InlineData("Miscellaneous Technical", 0x2307)] [InlineData("Miscellaneous Technical", 0x2307)]
[InlineData("Hangul Syllables", 0xD311)] [InlineData("Hangul Syllables", 0xD311)]
[InlineData("Miscellaneous Symbols and Pictographs", 0x1F574)] [InlineData("Miscellaneous Symbols and Pictographs", 0x1F574)]
public void TestBlockName(string expectedBlockName, int codePoint) public void MethodGetBlockNameShouldHaveExpectedResult(string expectedBlockName, int codePoint)
{ {
Assert.Equal(expectedBlockName, UnicodeInfo.GetBlockName(codePoint)); Assert.Equal(expectedBlockName, UnicodeInfo.GetBlockName(codePoint));
} }
@@ -453,7 +210,7 @@ namespace UnicodeInformation.Tests
} }
[Fact] [Fact]
public void TestGetNameSuccess() public void MethodGetNameShouldNeverFail()
{ {
for (int i = 0; i <= 0x10FFFF; i++) for (int i = 0; i <= 0x10FFFF; i++)
{ {
@@ -462,7 +219,7 @@ namespace UnicodeInformation.Tests
} }
[Fact] [Fact]
public void TestGetDisplayTextSuccess() public void MethodGetDisplayTextShouldNeverFail()
{ {
for (int i = 0; i <= 0x10FFFF; i++) for (int i = 0; i <= 0x10FFFF; i++)
{ {
@@ -471,7 +228,7 @@ namespace UnicodeInformation.Tests
} }
[Fact] [Fact]
public void TestGetCategorySuccess() public void MethodGetCategoryShouldNeverFail()
{ {
for (int i = 0; i <= 0x10FFFF; i++) for (int i = 0; i <= 0x10FFFF; i++)
{ {
@@ -480,7 +237,7 @@ namespace UnicodeInformation.Tests
} }
[Fact] [Fact]
public void TestGetCharInfoSuccess() public void MethodGetCharInfoShouldNeverFail()
{ {
for (int i = 0; i <= 0x10FFFF; i++) for (int i = 0; i <= 0x10FFFF; i++)
{ {
UnicodeInformation.Tests/UnicodeInformation.Tests.csproj
+4
View File
@@ -70,8 +70,12 @@
<Compile Include="..\AssemblyInfo.Common.cs"> <Compile Include="..\AssemblyInfo.Common.cs">
<Link>Properties\AssemblyInfo.Common.cs</Link> <Link>Properties\AssemblyInfo.Common.cs</Link>
</Compile> </Compile>
<Compile Include="PermissiveCodePointEnumerableTests.cs" />
<Compile Include="CodePointEnumerableTests.cs" />
<Compile Include="UnicodeInfoBuilderTests.cs" /> <Compile Include="UnicodeInfoBuilderTests.cs" />
<Compile Include="Properties\AssemblyInfo.cs" /> <Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="UnicodeRationalNumerTests.cs" />
<Compile Include="XUnitSerializableString.cs" />
<Compile Include="UnicodeInfoTests.cs" /> <Compile Include="UnicodeInfoTests.cs" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
UnicodeInformation.Tests/UnicodeRationalNumerTests.cs
+147
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@@ -0,0 +1,147 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Unicode;
using Xunit;
namespace UnicodeInformation.Tests
{
public class UnicodeRationalNumerTests
{
[Fact]
public void DefaultValueShouldBeDetectedAsSuch()
{
Assert.True(default(UnicodeRationalNumber).IsDefaultValue);
Assert.Equal(string.Empty, default(UnicodeRationalNumber).ToString());
}
public static readonly TheoryData<long> Numerators = new TheoryData<long>
{
0,
1,
long.MaxValue,
long.MinValue
};
[Theory]
[MemberData(nameof(Numerators))]
public void NumbersAndFractionOverOneShouldBeEqual(long numerator)
{
Assert.Equal(new UnicodeRationalNumber(numerator), new UnicodeRationalNumber(numerator, 1));
Assert.Equal(new UnicodeRationalNumber(numerator).GetHashCode(), new UnicodeRationalNumber(numerator, 1).GetHashCode());
}
[Theory]
[InlineData("1/10", "10/1")]
[InlineData("2/10", "1/10")]
[InlineData("1/20", "1/10")]
[InlineData("2/2", "1/1")]
[InlineData("2/1", "1/2")]
public void DifferentRationalNumbersShouldNotBeDeterminedEqual(string number1, string number2)
{
Assert.NotEqual(UnicodeRationalNumber.Parse(number1), UnicodeRationalNumber.Parse(number2));
Assert.NotEqual(UnicodeRationalNumber.Parse(number2), UnicodeRationalNumber.Parse(number1));
}
public static readonly TheoryData<string, long, byte> StringConversionTestData = new TheoryData<string, long, byte>
{
{ "0", 0, 1 },
{ "1", 1, 1 },
{ "1/100", 1, 100 },
{ "-20/7", -20, 7 },
{ "-5", -5, 1 },
{ "-9223372036854775808", long.MinValue, 1 },
{ "9223372036854775807", long.MaxValue, 1 },
{ "9223372036854775807/255", long.MaxValue, byte.MaxValue },
};
[Theory]
[MemberData(nameof(StringConversionTestData))]
public void MethodToStringShouldReturnExpectedResult(string expectedText, long numerator, byte denominator)
{
Assert.Equal(expectedText, new UnicodeRationalNumber(numerator, denominator).ToString());
}
[Fact]
public void ParsingNullValueShoudlFail()
{
Assert.Throws<ArgumentNullException>(() => UnicodeRationalNumber.Parse(null));
}
[Fact]
public void ParsingEmptyValueShoudlFail()
{
Assert.Throws<ArgumentException>(() => UnicodeRationalNumber.Parse(string.Empty));
}
[Theory]
[InlineData(0, "0")]
[InlineData(0, "0/1")]
[InlineData(1, "1")]
[InlineData(1, "1/1")]
[InlineData(long.MaxValue, "9223372036854775807")]
[InlineData(long.MaxValue, "9223372036854775807/1")]
[InlineData(long.MinValue, "-9223372036854775808")]
[InlineData(long.MinValue, "-9223372036854775808/1")]
public void ParsingCanReturnSimpleNumber(long expectedNumber, string text)
{
Assert.Equal(new UnicodeRationalNumber(expectedNumber), UnicodeRationalNumber.Parse(text));
}
public static readonly TheoryData<long, byte, string> FractionParsingTestData = new TheoryData<long, byte, string>
{
{ 0, 1, "0" },
{ 0, 1, "0/1" },
{ 1, 1, "1" },
{ 1, 1, "1/1" },
{ 1, 10, "1/10" },
{ 1, 255, "1/255" },
{ 3, 4, "3/4" },
{ 6, 8, "6/8" },
{ 1, 255, "1/255" },
{ long.MaxValue, 1, "9223372036854775807" },
{ long.MaxValue, 1, "9223372036854775807/1" },
{ long.MinValue, 1, "-9223372036854775808" },
{ long.MinValue, 1, "-9223372036854775808/1" },
{ long.MaxValue, byte.MaxValue, "9223372036854775807/255" },
};
[Theory]
[MemberData(nameof(FractionParsingTestData))]
public void ParsingCanReturnFraction(long expectedNumerator, byte expectedDenominator, string text)
{
Assert.Equal(new UnicodeRationalNumber(expectedNumerator, expectedDenominator), UnicodeRationalNumber.Parse(text));
}
[Fact]
public void EqualityComparisonAndHashCodeShouldWorkAsExpected()
{
var numbers = new[]
{
default(UnicodeRationalNumber),
new UnicodeRationalNumber(0),
new UnicodeRationalNumber(1),
new UnicodeRationalNumber(1, 10),
new UnicodeRationalNumber(1, 100),
new UnicodeRationalNumber(10),
new UnicodeRationalNumber(100),
new UnicodeRationalNumber(1000),
new UnicodeRationalNumber(1000000),
new UnicodeRationalNumber(1000000000),
new UnicodeRationalNumber(1000000000000),
};
var hashSet = new HashSet<UnicodeRationalNumber>();
// Verify that all numbers are unique
foreach (var number in numbers)
Assert.True(hashSet.Add(number));
// Verify that all numbers are already in the list
foreach (var number in numbers)
Assert.False(hashSet.Add(number));
}
}
}
UnicodeInformation.Tests/XUnitSerializableString.cs
+62
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using System;
using System.Unicode;
using System.Globalization;
using System.Collections.Generic;
using System.Collections;
using Xunit;
using System.Linq;
using Xunit.Abstractions;
using System.Text;
namespace UnicodeInformation.Tests
{
// This class is needed because apparently, somewhere in the process of unit testing, strings with invalid UTF-16 sequences are "fixed", which totally messes up the tests here.
// This is just a wrapper over regular strings… Data is serialized as an array of chars instead of a string. This seems to do the trick.
public class XUnitSerializableString : IEquatable<XUnitSerializableString>, IXunitSerializable
{
private string value;
public XUnitSerializableString() : this(null) { }
public XUnitSerializableString(string value)
{
this.value = value;
}
void IXunitSerializable.Deserialize(IXunitSerializationInfo info)
{
var chars = info.GetValue<char[]>("Chars");
value = chars != null ?
new string(chars) :
null;
}
void IXunitSerializable.Serialize(IXunitSerializationInfo info)
{
info.AddValue("Chars", value?.ToCharArray(), typeof(char[]));
}
public override string ToString()
{
if (string.IsNullOrEmpty(value)) return value;
var sb = new StringBuilder(value.Length * 6);
foreach (char c in value)
{
sb.Append(@"\u")
.Append(((ushort)c).ToString("X4"));
}
return sb.ToString();
}
public bool Equals(XUnitSerializableString other) => value == other.value;
public override bool Equals(object obj) => obj is XUnitSerializableString && Equals((XUnitSerializableString)obj);
public override int GetHashCode() => StringComparer.Ordinal.GetHashCode(value);
public static implicit operator string(XUnitSerializableString text) => text.value;
public static implicit operator XUnitSerializableString(string text) => new XUnitSerializableString(text);
}
}