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https://github.com/oliverbooth/X10D
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Add IList<T>.RemoveRange(Range)
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@ -4,6 +4,7 @@
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### Added
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- X10D: Added `MathUtility.InverseLerp(float, float, float)` and `MathUtility.InverseLerp(double, double, double)`
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- X10D: Added `Circle`, `CircleF`, `Cuboid`, `Ellipse`, `EllipseF`, `Line3D`, `Line`, `LineF`, `Polygon`, `PolygonF`, `Polyhedron`, and `Sphere`, to complement System.Drawing structs such as `Point` and `Rectangle`
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- X10D: Added `IList<T>.RemoveRange(Range)`
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- X10D: Added `Point.ToSize()`
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- X10D: Added `Point.ToSizeF()`
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- X10D: Added `Point.ToVector2()`
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@ -79,6 +79,63 @@ public class ListTests
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Assert.ThrowsException<ArgumentNullException>(() => list!.Fill(0, 0, 0));
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}
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[TestMethod]
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public void Random_ShouldReturnContainedObject_GivenNotNull()
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{
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var list = new List<int>(Enumerable.Range(1, 52)); // 52! chance of being shuffled to the same order
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int random = list.Random();
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Assert.IsTrue(list.Contains(random));
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}
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[TestMethod]
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public void Random_ShouldThrow_GivenNull()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Random());
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}
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[TestMethod]
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public void RemoveRange_ShouldThrowArgumentNullException_GivenNull()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.RemoveRange(new Range()));
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}
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[TestMethod]
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public void RemoveRange_ShouldThrowArgumentException_GivenEndIndexLessThanStart()
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{
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Assert.ThrowsException<ArgumentException>(() => new List<int>().RemoveRange(2..0));
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}
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[TestMethod]
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public void RemoveRange_ShouldThrowArgumentOutOfRangeException_GivenEndIndexGreaterThanOrEqualToCount()
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{
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Assert.ThrowsException<ArgumentOutOfRangeException>(() => new List<int>().RemoveRange(..0));
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Assert.ThrowsException<ArgumentOutOfRangeException>(() => new List<int> {1}.RemoveRange(..2));
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}
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[TestMethod]
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public void RemoveRange_ShouldRemoveElements_GivenList()
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{
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var list = new List<int>
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{
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1,
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2,
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3,
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4,
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5,
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6,
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7,
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8,
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9,
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10
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};
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Assert.AreEqual(10, list.Count);
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list.RemoveRange(2..5);
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Assert.AreEqual(6, list.Count);
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CollectionAssert.AreEqual(new[] {1, 2, 7, 8, 9, 10}, list);
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}
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[TestMethod]
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public void Shuffle_ShouldReorder_GivenNotNull()
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{
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@ -97,19 +154,4 @@ public class ListTests
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Shuffle());
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}
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[TestMethod]
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public void Random_ShouldReturnContainedObject_GivenNotNull()
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{
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var list = new List<int>(Enumerable.Range(1, 52)); // 52! chance of being shuffled to the same order
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int random = list.Random();
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Assert.IsTrue(list.Contains(random));
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}
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[TestMethod]
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public void Random_ShouldThrow_GivenNull()
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{
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Assert.ThrowsException<ArgumentNullException>(() => ((List<int>?)null)!.Random());
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}
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}
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@ -1,4 +1,4 @@
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using System.Diagnostics.Contracts;
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using System.Diagnostics.Contracts;
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using X10D.Core;
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namespace X10D.Collections;
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@ -119,6 +119,48 @@ public static class ListExtensions
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return random.NextFrom(source);
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}
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/// <summary>
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/// Removes a range of elements from the list.
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/// </summary>
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/// <param name="source">The list whose elements to remove.</param>
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/// <param name="range">The range of elements to remove.</param>
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/// <typeparam name="T">The type of the elements in <paramref name="source" />.</typeparam>
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/// <exception cref="ArgumentNullException"><paramref name="source" /> is <see langword="null" />.</exception>
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/// <exception cref="ArgumentException"><paramref name="range" /> defines an invalid range.</exception>
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/// <exception cref="ArgumentOutOfRangeException">
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/// <paramref name="range" /> defines an end index whose value is greater than or equal to the count of elements in the
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/// list.
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/// </exception>
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public static void RemoveRange<T>(this IList<T> source, Range range)
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{
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#if NET6_0_OR_GREATER
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ArgumentNullException.ThrowIfNull(source);
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#else
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if (source is null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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#endif
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int start = range.Start.IsFromEnd ? source.Count - range.Start.Value : range.Start.Value;
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int end = range.End.IsFromEnd ? source.Count - range.End.Value : range.End.Value;
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if (end < start)
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{
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throw new ArgumentException(ExceptionMessages.EndIndexLessThanStartIndex);
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}
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if (end >= source.Count)
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{
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throw new ArgumentOutOfRangeException(nameof(range), ExceptionMessages.EndIndexGreaterThanCount);
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}
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for (int index = end; index >= start; index--)
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{
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source.RemoveAt(index);
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}
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}
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/// <summary>
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/// Reorganizes the elements in a list by implementing a Fisher-Yates shuffle.
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/// </summary>
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18
X10D/src/ExceptionMessages.Designer.cs
generated
18
X10D/src/ExceptionMessages.Designer.cs
generated
@ -78,6 +78,24 @@ namespace X10D {
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}
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}
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/// <summary>
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/// Looks up a localized string similar to The end index must be less than the list count..
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/// </summary>
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internal static string EndIndexGreaterThanCount {
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get {
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return ResourceManager.GetString("EndIndexGreaterThanCount", resourceCulture);
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}
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}
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/// <summary>
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/// Looks up a localized string similar to The end index must be greater than or equal to the start index..
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/// </summary>
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internal static string EndIndexLessThanStartIndex {
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get {
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return ResourceManager.GetString("EndIndexLessThanStartIndex", resourceCulture);
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}
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}
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/// <summary>
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/// Looks up a localized string similar to HashAlgorithm's Create method returned null reference..
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/// </summary>
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@ -26,6 +26,12 @@
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<data name="BufferTooSmall" xml:space="preserve">
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<value>The buffer is too small to contain the data.</value>
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</data>
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<data name="EndIndexLessThanStartIndex" xml:space="preserve">
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<value>The end index must be greater than or equal to the start index.</value>
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</data>
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<data name="EndIndexGreaterThanCount" xml:space="preserve">
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<value>The end index must be less than the list count.</value>
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</data>
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<data name="TypeIsNotClass" xml:space="preserve">
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<value>{0} is not a class.</value>
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</data>
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