icdsystems/ICD.Common.Utils
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Merge branch 'GetAllFlagCombinationsExceptNone' of Common/Utils into dev

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This commit is contained in:
Chris Cameron
2018-04-03 16:32:34 +00:00
committed by Gogs
parent 44a87c9907 01ae0106fe
commit 323dd89a5f
2 changed files with 51 additions and 4 deletions
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36
ICD.Common.Utils.Tests/EnumUtilsTest.cs
View File

@@ -21,7 +21,8 @@ namespace ICD.Common.Utils.Tests
None = 0,
A = 1,
B = 2,
C = 4
C = 4,
D = 32
}
[Test]
@@ -160,11 +161,12 @@ namespace ICD.Common.Utils.Tests
eTestFlagsEnum a = EnumUtils.GetFlagsAllValue<eTestFlagsEnum>();
eTestFlagsEnum[] aValues = EnumUtils.GetFlags(a).ToArray();
Assert.AreEqual(4, aValues.Length);
Assert.AreEqual(5, aValues.Length);
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.None));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.D));
}
[Test]
@@ -173,18 +175,44 @@ namespace ICD.Common.Utils.Tests
eTestFlagsEnum a = EnumUtils.GetFlagsAllValue<eTestFlagsEnum>();
eTestFlagsEnum[] aValues = EnumUtils.GetFlagsExceptNone(a).ToArray();
Assert.AreEqual(3, aValues.Length);
Assert.AreEqual(4, aValues.Length);
Assert.IsFalse(aValues.Contains(eTestFlagsEnum.None));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.D));
}
[Test]
public void GetAllFlagCombinationsExceptNoneGenericTest()
{
eTestFlagsEnum a = eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.C | eTestFlagsEnum.D;
eTestFlagsEnum[] aValues = EnumUtils.GetAllFlagCombinationsExceptNone(a).ToArray();
Assert.AreEqual(15, aValues.Length);
Assert.IsFalse(aValues.Contains(eTestFlagsEnum.None));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.B));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B | eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.C | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.C));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.C | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.B | eTestFlagsEnum.C | eTestFlagsEnum.D));
Assert.IsTrue(aValues.Contains(eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.C | eTestFlagsEnum.D));
}
[Test]
public void GetFlagsAllValueGenericTest()
{
eTestFlagsEnum value = EnumUtils.GetFlagsAllValue<eTestFlagsEnum>();
Assert.AreEqual(eTestFlagsEnum.None | eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.C, value);
Assert.AreEqual(eTestFlagsEnum.None | eTestFlagsEnum.A | eTestFlagsEnum.B | eTestFlagsEnum.C | eTestFlagsEnum.D, value);
}
[Test]

19
ICD.Common.Utils/EnumUtils.cs
View File

@@ -305,6 +305,25 @@ namespace ICD.Common.Utils
return GetFlags(value).Except(none);
}
/// <summary>
/// Gets all of the flag combinations on the given flag enum value.
///
/// IE: If you have an enum type with flags{a, b, c}, and you pass this method {a|b},
/// It will return {a, b, a|b}
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <returns></returns>
public static IEnumerable<T> GetAllFlagCombinationsExceptNone<T>(T value)
{
if (!IsEnum(value))
// ReSharper disable once CompareNonConstrainedGenericWithNull
throw new ArgumentException(string.Format("{0} is not an enum", value == null ? "NULL" : value.GetType().Name), "value");
int maxEnumValue = (GetValues<T>().Max(v => (int)(object)v) * 2) -1 ;
return Enumerable.Range(1, maxEnumValue).Cast<T>().Where(v => HasFlags(value, v));
}
/// <summary>
/// Gets an enum value of the given type with every flag set.
/// </summary>