Merge remote-tracking branch 'origin/RoutingOp' into dev

This commit is contained in:
Chris Cameron
2018-01-10 09:46:13 -05:00
6 changed files with 321 additions and 7 deletions

View File

@@ -8,7 +8,7 @@ namespace ICD.Common.Utils.Tests
[TestFixture]
public sealed class RecursionUtilsTest
{
private IEnumerable<int> Graph(int node)
private static IEnumerable<int> Graph(int node)
{
switch (node)
{
@@ -26,9 +26,56 @@ namespace ICD.Common.Utils.Tests
}
}
private static IEnumerable<int> WideGraph(int node)
{
switch (node)
{
case 1:
yield return 2;
yield return 3;
yield return 4;
yield return 5;
yield return 6;
break;
case 2:
yield return 21;
yield return 22;
break;
case 3:
yield return 1;
yield return 31;
yield return 32;
break;
case 4:
yield return 41;
yield return 42;
break;
case 5:
yield return 51;
yield return 52;
break;
case 6:
yield return 61;
yield return 62;
break;
case 21:
yield return 62;
break;
case 41:
yield return 43;
break;
case 42:
yield return 43;
break;
default:
yield break;
}
}
[Test]
public void BreadthFirstSearchTest()
{
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
Assert.Throws<ArgumentNullException>(() => RecursionUtils.BreadthFirstSearch(1, null).ToArray());
int[] nodes = RecursionUtils.BreadthFirstSearch(1, Graph).ToArray();
@@ -43,8 +90,11 @@ namespace ICD.Common.Utils.Tests
[Test]
public void BreadthFirstSearchPathTest()
{
Assert.Throws<ArgumentNullException>(() => RecursionUtils.BreadthFirstSearchPath(1, 4, null).ToArray());
Assert.Throws<ArgumentNullException>(() => RecursionUtils.BreadthFirstSearchPath(1, 4, null));
Assert.IsNull(RecursionUtils.BreadthFirstSearchPath(1, 5, Graph));
// ReSharper disable once AssignNullToNotNullAttribute
int[] path = RecursionUtils.BreadthFirstSearchPath(1, 4, Graph).ToArray();
Assert.AreEqual(3, path.Length);
@@ -63,10 +113,67 @@ namespace ICD.Common.Utils.Tests
[Test]
public void BreadthFirstSearchPathSingleNodeTest()
{
// ReSharper disable once AssignNullToNotNullAttribute
int[] path = RecursionUtils.BreadthFirstSearchPath(1, 1, Graph).ToArray();
Assert.AreEqual(1, path.Length);
Assert.AreEqual(1, path[0]);
}
[Test]
public void BreadthFirstSearchManyDestinationsTest()
{
Assert.Throws<ArgumentNullException>(() => RecursionUtils.BreadthFirstSearchManyDestinations(1, new[] { 1 }, null));
Assert.Throws<ArgumentNullException>(() => RecursionUtils.BreadthFirstSearchManyDestinations(1, null, Graph));
Assert.IsEmpty(RecursionUtils.BreadthFirstSearchManyDestinations(1, new[] { 5 }, Graph));
Dictionary<int, IEnumerable<int>> paths = RecursionUtils.BreadthFirstSearchManyDestinations(1, new[] { 21, 22, 31, 43, 62 }, WideGraph);
//Make sure all paths were found
Assert.IsTrue(paths.Keys.Contains(21));
Assert.IsTrue(paths.Keys.Contains(22));
Assert.IsTrue(paths.Keys.Contains(31));
Assert.IsTrue(paths.Keys.Contains(43));
Assert.IsTrue(paths.Keys.Contains(62));
//Make sure the shortest paths are taken
Assert.AreEqual(3, paths[21].Count());
Assert.AreEqual(3, paths[22].Count());
Assert.AreEqual(3, paths[31].Count()); // infinite loop exists between 1 and 3
Assert.AreEqual(4, paths[43].Count()); // 43 has two parents of equal distance, 41 and 42
Assert.AreEqual(3, paths[62].Count()); // two paths exist, one is 3, one is 4
// make sure that destinations which were not asked for were not returned
Assert.IsFalse(paths.Keys.Contains(1));
Assert.IsFalse(paths.Keys.Contains(2));
Assert.IsFalse(paths.Keys.Contains(3));
Assert.IsFalse(paths.Keys.Contains(32));
//Verify path for destination 21
Assert.AreEqual(1, paths[21].ToArray()[0]);
Assert.AreEqual(2, paths[21].ToArray()[1]);
Assert.AreEqual(21, paths[21].ToArray()[2]);
//Verify path for destination 22
Assert.AreEqual(1, paths[22].ToArray()[0]);
Assert.AreEqual(2, paths[22].ToArray()[1]);
Assert.AreEqual(22, paths[22].ToArray()[2]);
//Verify path for destination 31
Assert.AreEqual(1, paths[31].ToArray()[0]);
Assert.AreEqual(3, paths[31].ToArray()[1]);
Assert.AreEqual(31, paths[31].ToArray()[2]);
//Verify path for destination 43
Assert.AreEqual(1, paths[43].ToArray()[0]);
Assert.AreEqual(4, paths[43].ToArray()[1]);
Assert.AreEqual(41, paths[43].ToArray()[2]); // when multiple parents exist with valid paths back, the first one should be consistently selected
Assert.AreEqual(43, paths[43].ToArray()[3]);
//Verify path for destination 62
Assert.AreEqual(1, paths[62].ToArray()[0]);
Assert.AreEqual(6, paths[62].ToArray()[1]);
Assert.AreEqual(62, paths[62].ToArray()[2]);
}
}
}

View File

@@ -91,5 +91,77 @@ namespace ICD.Common.Utils.Tests
{
Assert.AreEqual(StringUtils.IsNullOrWhitespace(value), expectedResult);
}
[Test, UsedImplicitly]
public void TryParseIntTest()
{
int testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual(1, testVal);
}
[Test, UsedImplicitly]
public void TryParseUintTest()
{
uint testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual((uint)1, testVal);
}
[Test, UsedImplicitly]
public void TryParseShortTest()
{
short testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual((short)1, testVal);
}
[Test, UsedImplicitly]
public void TryParseUshortTest()
{
ushort testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual((ushort)1, testVal);
}
[Test, UsedImplicitly]
public void TryParseLongTest()
{
long testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual((long)1, testVal);
}
[Test, UsedImplicitly]
public void TryParseUlongTest()
{
ulong testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1", out testVal));
Assert.AreEqual((ulong)1, testVal);
}
[Test, UsedImplicitly]
public void TryParseFloatTest()
{
float testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("1.1", out testVal));
Assert.AreEqual((float)1.1, testVal);
}
[Test, UsedImplicitly]
public void TryParseBoolTest()
{
bool testVal;
Assert.IsFalse(StringUtils.TryParse("fish", out testVal));
Assert.IsTrue(StringUtils.TryParse("true", out testVal));
Assert.AreEqual(true, testVal);
}
}
}

View File

@@ -87,7 +87,6 @@ namespace ICD.Common.Utils
#if SIMPLSHARP
return CrestronConsole.SendControlSystemCommand(command, ref result);
#else
result = string.Empty;
return false;
#endif
}

View File

@@ -12,7 +12,7 @@ namespace ICD.Common.Utils.Json
/// <param name="writer">The <see cref="T:Newtonsoft.Json.JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override sealed void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
public sealed override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
@@ -42,7 +42,7 @@ namespace ICD.Common.Utils.Json
/// <returns>
/// The object value.
/// </returns>
public override sealed object ReadJson(JsonReader reader, Type objectType, object existingValue,
public sealed override object ReadJson(JsonReader reader, Type objectType, object existingValue,
JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)

View File

@@ -92,27 +92,115 @@ namespace ICD.Common.Utils
// Found a path to the destination
if (comparer.Equals(node, destination))
return GetPath(destination, nodeParents).Reverse();
return GetPath(destination, root, nodeParents, comparer).Reverse();
}
}
return null;
}
[NotNull]
public static Dictionary<T, IEnumerable<T>> BreadthFirstSearchManyDestinations<T>(T root,
IEnumerable<T> destinations,
Func<T, IEnumerable<T>>
getChildren)
{
if (getChildren == null)
throw new ArgumentNullException("getChildren");
return BreadthFirstSearchPathManyDestinations(root, destinations, getChildren, EqualityComparer<T>.Default);
}
[NotNull]
public static Dictionary<T, IEnumerable<T>> BreadthFirstSearchPathManyDestinations<T>(T root,
IEnumerable<T>
destinations,
Func<T, IEnumerable<T>>
getChildren,
IEqualityComparer<T>
comparer)
{
if (destinations == null)
throw new ArgumentNullException("destinations");
if (getChildren == null)
throw new ArgumentNullException("getChildren");
if (comparer == null)
throw new ArgumentNullException("comparer");
IcdHashSet<T> destinationsToBeProcessed = new IcdHashSet<T>(destinations);
IcdHashSet<T> destinationsProcessed = new IcdHashSet<T>();
Dictionary<T, IEnumerable<T>> pathsToReturn = new Dictionary<T, IEnumerable<T>>();
// Edge case, root is the destination
foreach (T destination in
destinationsToBeProcessed.Where(destination => comparer.Equals(root, destination)))
{
destinationsProcessed.Add(destination);
pathsToReturn.Add(destination, new[] {root});
}
foreach (T destination in destinationsProcessed)
destinationsToBeProcessed.Remove(destination);
destinationsProcessed.Clear();
if (destinationsToBeProcessed.Count == 0)
return pathsToReturn;
Queue<T> queue = new Queue<T>();
queue.Enqueue(root);
Dictionary<T, T> nodeParents = new Dictionary<T, T>();
while (queue.Count > 0)
{
T current = queue.Dequeue();
foreach (T node in getChildren(current).Where(node => !nodeParents.ContainsKey(node)))
{
queue.Enqueue(node);
nodeParents.Add(node, current);
T closureNode = node;
foreach (T destination in
destinationsToBeProcessed.Where(destination => comparer.Equals(closureNode, destination)))
{
destinationsProcessed.Add(destination);
pathsToReturn.Add(destination, GetPath(destination, root, nodeParents, comparer).Reverse());
}
foreach (T destination in destinationsProcessed)
destinationsToBeProcessed.Remove(destination);
destinationsProcessed.Clear();
if (destinationsToBeProcessed.Count == 0)
return pathsToReturn;
}
}
return pathsToReturn;
}
/// <summary>
/// Walks through a map of nodes from the starting point.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="start"></param>
/// /// <param name="end"></param>
/// <param name="nodeParents"></param>
/// <returns></returns>
private static IEnumerable<T> GetPath<T>(T start, IDictionary<T, T> nodeParents)
private static IEnumerable<T> GetPath<T>(T start, T end, IDictionary<T, T> nodeParents, IEqualityComparer<T> comparer)
{
IcdHashSet<T> visited = new IcdHashSet<T>();
while (true)
{
yield return start;
if (comparer.Equals(start, end))
break;
visited.Add(start);
T next;

View File

@@ -191,6 +191,54 @@ namespace ICD.Common.Utils
return TryConvert(Convert.ToUInt32, value, out result);
}
/// <summary>
/// Attempts to parse the string as a short integer.
/// </summary>
/// <param name="value"></param>
/// <param name="result"></param>
/// <returns></returns>
[PublicAPI]
public static bool TryParse(string value, out short result)
{
return TryConvert(Convert.ToInt16, value, out result);
}
/// <summary>
/// Attempts to parse the string as an unsigned short integer.
/// </summary>
/// <param name="value"></param>
/// <param name="result"></param>
/// <returns></returns>
[PublicAPI]
public static bool TryParse(string value, out ushort result)
{
return TryConvert(Convert.ToUInt16, value, out result);
}
/// <summary>
/// Attempts to parse the string as a long integer.
/// </summary>
/// <param name="value"></param>
/// <param name="result"></param>
/// <returns></returns>
[PublicAPI]
public static bool TryParse(string value, out long result)
{
return TryConvert(Convert.ToInt64, value, out result);
}
/// <summary>
/// Attempts to parse the string as an unsigned long integer.
/// </summary>
/// <param name="value"></param>
/// <param name="result"></param>
/// <returns></returns>
[PublicAPI]
public static bool TryParse(string value, out ulong result)
{
return TryConvert(Convert.ToUInt64, value, out result);
}
/// <summary>
/// Attempts to parse the string as a float.
/// </summary>