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Code Issues

test: bring coverage to 100% for Collections, Linq, Math, and Text

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This commit is contained in:
Oliver Booth 2023-04-02 04:16:33 +01:00
parent 918b0b7612
commit 6b1dc2837a
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GPG Key ID: 20BEB9DC87961025
18 changed files with 144 additions and 30 deletions
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6
X10D.Tests/src/Collections/ArrayTests.Clear.cs
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@ -54,8 +54,10 @@ public partial class ArrayTests
[TestMethod]
public void Clear_ShouldThrowArgumentNullException_WhenArrayIsNull()
{
int[]? array = null;
Assert.ThrowsException<ArgumentNullException>(array!.Clear);
int[] array = null!;
Assert.ThrowsException<ArgumentNullException>(() => array.Clear());
Assert.ThrowsException<ArgumentNullException>(() => array.Clear(0, 1));
Assert.ThrowsException<ArgumentNullException>(() => array.Clear(..1));
}
}
}

27
X10D.Tests/src/Collections/EnumerableTests.cs
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@ -21,6 +21,12 @@ public partial class EnumerableTests
Assert.ThrowsException<ArgumentNullException>(() => ((IEnumerable<int>?)null)!.CountWhereNot(x => x % 2 == 0));
}
[TestMethod]
public void CountWhereNot_ShouldThrowArgumentNullException_GivenNullPredicate()
{
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Empty<int>().CountWhereNot(null!));
}
[TestMethod]
public void CountWhereNot_ShouldThrowOverflowException_GivenLargeSource()
{
@ -54,13 +60,13 @@ public partial class EnumerableTests
[TestMethod]
public void FirstWhereNot_ShouldThrowArgumentNullException_GivenNullPredicate()
{
Assert.ThrowsException<ArgumentNullException>(() => Array.Empty<int>().FirstWhereNotOrDefault(null!));
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Range(0, 1).FirstWhereNot(null!));
}
[TestMethod]
public void FirstWhereNot_ShouldThrowInvalidOperationException_GivenEmptySource()
{
Assert.ThrowsException<InvalidOperationException>(() => Array.Empty<int>().FirstWhereNot(x => x % 2 == 0));
Assert.ThrowsException<InvalidOperationException>(() => Enumerable.Empty<int>().FirstWhereNot(x => x % 2 == 0));
}
[TestMethod]
@ -86,13 +92,13 @@ public partial class EnumerableTests
[TestMethod]
public void FirstWhereNotOrDefault_ShouldThrowArgumentNullException_GivenNullPredicate()
{
Assert.ThrowsException<ArgumentNullException>(() => Array.Empty<int>().FirstWhereNotOrDefault(null!));
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Empty<int>().FirstWhereNotOrDefault(null!));
}
[TestMethod]
public void FirstWhereNotOrDefault_ShouldReturnDefault_GivenEmptySource()
{
int result = Array.Empty<int>().FirstWhereNotOrDefault(x => x % 2 == 0);
int result = Enumerable.Empty<int>().FirstWhereNotOrDefault(x => x % 2 == 0);
Assert.AreEqual(default, result);
}
@ -259,6 +265,12 @@ public partial class EnumerableTests
Assert.ThrowsException<ArgumentNullException>(() => ((IEnumerable<int>?)null)!.WhereNot(x => x % 2 == 0));
}
[TestMethod]
public void WhereNot_ShouldThrowArgumentNullException_GivenNullPredicate()
{
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Empty<int>().WhereNot(null!));
}
[TestMethod]
public void WhereNotNull_ShouldContainNoNullElements()
{
@ -280,6 +292,13 @@ public partial class EnumerableTests
Assert.AreEqual(expectedCount, actualCount);
}
[TestMethod]
public void WhereNotNull_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<string> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.WhereNotNull());
}
private class DummyClass
{
public int Value { get; set; }

8
X10D.Tests/src/Linq/ByteTests.cs
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@ -34,6 +34,14 @@ public class ByteTests
// Π_(i=1)^n (2i) will overflow at i=4 for byte
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<byte> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
[TestMethod]
public void RangeTo_Byte_ShouldYieldCorrectValues()
{

8
X10D.Tests/src/Linq/DecimalTests.cs
View File

@ -41,4 +41,12 @@ public class DecimalTests
Assert.AreEqual(185794560m, Enumerable.Range(1, 9).Product(Double));
Assert.AreEqual(3715891200m, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<decimal> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

8
X10D.Tests/src/Linq/DoubleTests.cs
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@ -41,4 +41,12 @@ public class DoubleTests
Assert.AreEqual(185794560.0, Enumerable.Range(1, 9).Product(Double));
Assert.AreEqual(3715891200.0, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<double> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

25
X10D.Tests/src/Linq/EnumerableTests.cs
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@ -1,4 +1,5 @@
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using X10D.Linq;
namespace X10D.Tests.Linq;
@ -94,8 +95,9 @@ public class EnumerableTests
[TestMethod]
public void MinMax_ShouldThrowArgumentNullException_GivenNullSelector()
{
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Range(1, 10).MinMax((Func<int, int>?)null!));
Assert.ThrowsException<ArgumentNullException>(() => Enumerable.Range(1, 10).ToArray().MinMax((Func<int, int>?)null!));
IEnumerable<int> source = Enumerable.Empty<int>();
Assert.ThrowsException<ArgumentNullException>(() => source.MinMax((Func<int, int>)(null!)));
Assert.ThrowsException<ArgumentNullException>(() => source.MinMax((Func<int, int>)(null!), null));
}
[TestMethod]
@ -103,6 +105,9 @@ public class EnumerableTests
{
IEnumerable<int>? source = null;
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMax());
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMax(v => v));
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMax(null));
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMax(v => v, null));
}
[TestMethod]
@ -147,18 +152,11 @@ public class EnumerableTests
[TestMethod]
public void MinMaxBy_ShouldThrowArgumentNullException_GivenNullSelector()
{
Assert.ThrowsException<ArgumentNullException>(() =>
{
IEnumerable<Person> source = Enumerable.Range(1, 10).Select(i => new Person {Age = i});
return source.MinMaxBy((Func<Person, int>?)null!);
});
Assert.ThrowsException<ArgumentNullException>(() =>
{
Person[] source = Enumerable.Range(1, 10).Select(i => new Person {Age = i}).ToArray();
return source.MinMaxBy((Func<Person, int>?)null!);
});
Assert.ThrowsException<ArgumentNullException>(() => source.MinMaxBy((Func<Person, int>)null!));
Assert.ThrowsException<ArgumentNullException>(() => source.MinMaxBy((Func<Person, int>)null!, null));
}
[TestMethod]
@ -166,6 +164,7 @@ public class EnumerableTests
{
IEnumerable<Person>? source = null;
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMaxBy(p => p.Age));
Assert.ThrowsException<ArgumentNullException>(() => source!.MinMaxBy(p => p.Age, null));
}
[TestMethod]

7
X10D.Tests/src/Linq/Int16Tests.cs
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@ -38,6 +38,13 @@ public class Int16Tests
// Π_(i=1)^n (2i) will overflow at i=6 for short
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<short> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
}
[TestMethod]
public void RangeTo_Int16_ShouldYieldCorrectValues()
{

8
X10D.Tests/src/Linq/Int32Tests.cs
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@ -41,6 +41,14 @@ public class Int32Tests
// Π_(i=1)^n (2i) will overflow at i=10 for int
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<int> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
[TestMethod]
public void RangeTo_Int32_ShouldYieldCorrectValues()
{

8
X10D.Tests/src/Linq/Int64Tests.cs
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@ -42,6 +42,14 @@ public class Int64Tests
Assert.AreEqual(3715891200, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<long> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
[TestMethod]
public void RangeTo_Int64_ShouldYieldCorrectValues()
{

8
X10D.Tests/src/Linq/SByteTests.cs
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@ -34,4 +34,12 @@ public class SByteTests
// Π_(i=1)^(n(i*2)) will overflow at i=4 for sbyte
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<sbyte> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

8
X10D.Tests/src/Linq/SingleTests.cs
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@ -41,4 +41,12 @@ public class SingleTests
Assert.AreEqual(185794560f, Enumerable.Range(1, 9).Product(Double));
Assert.AreEqual(3715891200f, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<float> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

8
X10D.Tests/src/Linq/UInt16Tests.cs
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@ -40,4 +40,12 @@ public class UInt16Tests
// Π_(i=1)^n (2i) will overflow at i=7 for ushort
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<ushort> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

8
X10D.Tests/src/Linq/UInt32Tests.cs
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@ -42,4 +42,12 @@ public class UInt32Tests
Assert.AreEqual(185794560U, Enumerable.Range(1, 9).Product(Double));
Assert.AreEqual(3715891200U, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<uint> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

8
X10D.Tests/src/Linq/UInt64Tests.cs
View File

@ -42,4 +42,12 @@ public class UInt64Tests
Assert.AreEqual(185794560UL, Enumerable.Range(1, 9).Product(Double));
Assert.AreEqual(3715891200UL, Enumerable.Range(1, 10).Product(Double));
}
[TestMethod]
public void Product_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<ulong> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Product());
Assert.ThrowsException<ArgumentNullException>(() => source.Product(v => v));
}
}

7
X10D.Tests/src/Math/ComparableTests.cs
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@ -85,6 +85,13 @@ public class ComparableTests
Assert.ThrowsException<ArgumentException>(() => 0.Clamp(6, 5));
}
[TestMethod]
public void Clamp_ShouldThrowArgumentNullException_GivenNullValue()
{
string comparable = null!;
Assert.ThrowsException<ArgumentNullException>(() => comparable.Clamp(string.Empty, string.Empty));
}
[TestMethod]
public void GreaterThan_5_6_ShouldBeFalse()
{

6
X10D.Tests/src/Text/EnumerableTests.cs
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@ -60,14 +60,16 @@ public class EnumerableTests
public void Grep_ShouldThrowArgumentNullException_GivenNullPattern()
{
IEnumerable<string> source = Enumerable.Empty<string>();
Assert.ThrowsException<ArgumentNullException>(() => source.Grep(null!));
Assert.ThrowsException<ArgumentNullException>(() => source.Grep(null!).ToArray());
Assert.ThrowsException<ArgumentNullException>(() => source.Grep(null!, false).ToArray());
}
[TestMethod]
public void Grep_ShouldThrowArgumentNullException_GivenNullSource()
{
IEnumerable<string> source = null!;
Assert.ThrowsException<ArgumentNullException>(() => source.Grep("foo"));
Assert.ThrowsException<ArgumentNullException>(() => source.Grep("foo").ToArray());
Assert.ThrowsException<ArgumentNullException>(() => source.Grep("foo", false).ToArray());
}
[TestMethod]

7
X10D.Tests/src/Text/StringTests.cs
View File

@ -380,6 +380,13 @@ public class StringTests
Assert.IsFalse("World".IsEmoji());
}
[TestMethod]
public void IsEmoji_ShouldThrowArgumentNullException_GivenNullInput()
{
string value = null!;
Assert.ThrowsException<ArgumentNullException>(() => value.IsEmoji());
}
[TestMethod]
public void IsEmpty_ShouldReturnTrue_GivenEmptyString()
{

9
X10D/src/Linq/EnumerableExtensions.cs
View File

@ -418,15 +418,6 @@ public static class EnumerableExtensions
private static bool TryGetSpan<TSource>(this IEnumerable<TSource> source, out ReadOnlySpan<TSource> span)
{
#if NET6_0_OR_GREATER
ArgumentNullException.ThrowIfNull(source);
#else
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
#endif
var result = true;
switch (source)