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Entension methods for finding indices in a sequence, and finding the closest item in a sequence

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This commit is contained in:
Chris Cameron
2017-12-08 14:51:51 -05:00
parent 6fa4945b95
commit 1039caa016
2 changed files with 379 additions and 329 deletions
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674
ICD.Common.Utils.Tests/Extensions/EnumerableExtensionsTest.cs
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@@ -8,170 +8,186 @@ using System;
namespace ICD.Common.Utils.Tests.Extensions
{
[TestFixture]
public sealed class EnumerableExtensionsTest
{
[TestCase(0)]
[TestCase(1)]
public sealed class EnumerableExtensionsTest
{
[TestCase(0)]
[TestCase(1)]
public void FirstOrDefaultTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
Assert.AreEqual(expected, sequence.FirstOrDefault(expected));
}
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
Assert.AreEqual(expected, sequence.FirstOrDefault(expected));
}
[TestCase(0)]
[TestCase(1)]
public void FirstOrDefaultPredicateTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Range(1, 10).Except(expected);
Assert.AreEqual(expected, sequence.FirstOrDefault(i => i == expected, expected));
}
[TestCase(0)]
[TestCase(1)]
public void FirstOrDefaultPredicateTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Range(1, 10).Except(expected);
Assert.AreEqual(expected, sequence.FirstOrDefault(i => i == expected, expected));
}
[TestCase(0)]
[TestCase(1)]
public void TryFirstTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
int result;
bool exists = sequence.TryFirst(out result);
[TestCase(0)]
[TestCase(1)]
public void TryFirstTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
int result;
bool exists = sequence.TryFirst(out result);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
sequence = new[] { expected };
exists = sequence.TryFirst(out result);
sequence = new[] {expected};
exists = sequence.TryFirst(out result);
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
[TestCase(0)]
[TestCase(1)]
public void TryFirstPredicateTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Range(1, 10).Except(expected);
int result;
bool exists = sequence.TryFirst(i => i == expected, out result);
[TestCase(0)]
[TestCase(1)]
public void TryFirstPredicateTest(int expected)
{
IEnumerable<int> sequence = Enumerable.Range(1, 10).Except(expected);
int result;
bool exists = sequence.TryFirst(i => i == expected, out result);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
sequence = new[] { expected };
exists = sequence.TryFirst(i => i == expected, out result);
sequence = new[] {expected};
exists = sequence.TryFirst(i => i == expected, out result);
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
[TestCase(0, 0)]
[TestCase(1, 10)]
public void TryElementAtTest(int index, int expected)
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
int result;
bool exists = sequence.TryElementAt(index, out result);
[TestCase(0, 0)]
[TestCase(1, 10)]
public void TryElementAtTest(int index, int expected)
{
IEnumerable<int> sequence = Enumerable.Empty<int>();
int result;
bool exists = sequence.TryElementAt(index, out result);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
Assert.AreEqual(0, result);
Assert.AreEqual(false, exists);
sequence = new[] { expected };
exists = sequence.TryElementAt(0, out result);
sequence = new[] {expected};
exists = sequence.TryElementAt(0, out result);
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
Assert.AreEqual(expected, result);
Assert.AreEqual(true, exists);
}
[Test]
public void SequenceEqualTest()
{
int[] a = new[] { 1, 2, 3, 4};
int[] b = new[] { 1, 4, 9, 16};
[Test]
public void SequenceEqualTest()
{
int[] a = new[] {1, 2, 3, 4};
int[] b = new[] {1, 4, 9, 16};
Assert.IsFalse(a.SequenceEqual(b, (x, y) => x == y));
Assert.IsTrue(a.SequenceEqual(b, (x, y) => x * x == y));
}
Assert.IsFalse(a.SequenceEqual(b, (x, y) => x == y));
Assert.IsTrue(a.SequenceEqual(b, (x, y) => x * x == y));
}
[Test]
public void ScrambledEqualsTest()
{
IEnumerable<int> a = new[] { 1, 2, 3, 4 };
IEnumerable<int> b = new[] { 3, 1, 2, 4 };
IEnumerable<int> c = new[] { 1, 2, 3, 4, 4 };
IEnumerable<int> d = new[] { 1, 2, 3, 4, 5 };
[Test]
public void ScrambledEqualsTest()
{
IEnumerable<int> a = new[] {1, 2, 3, 4};
IEnumerable<int> b = new[] {3, 1, 2, 4};
IEnumerable<int> c = new[] {1, 2, 3, 4, 4};
IEnumerable<int> d = new[] {1, 2, 3, 4, 5};
Assert.IsTrue(a.ScrambledEquals(b));
Assert.IsFalse(a.ScrambledEquals(c));
Assert.IsFalse(a.ScrambledEquals(d));
}
Assert.IsTrue(a.ScrambledEquals(b));
Assert.IsFalse(a.ScrambledEquals(c));
Assert.IsFalse(a.ScrambledEquals(d));
}
[Test]
public void ScrambledEqualsComparerTest()
{
IEnumerable<int> a = new[] { 1, 2, 3, 4 };
IEnumerable<int> b = new[] { 3, 1, 2, 4 };
IEnumerable<int> c = new[] { 1, 2, 3, 4, 4 };
IEnumerable<int> d = new[] { 1, 2, 3, 4, 5 };
[Test]
public void ScrambledEqualsComparerTest()
{
IEnumerable<int> a = new[] {1, 2, 3, 4};
IEnumerable<int> b = new[] {3, 1, 2, 4};
IEnumerable<int> c = new[] {1, 2, 3, 4, 4};
IEnumerable<int> d = new[] {1, 2, 3, 4, 5};
Assert.IsTrue(a.ScrambledEquals(b, EqualityComparer<int>.Default));
Assert.IsFalse(a.ScrambledEquals(c, EqualityComparer<int>.Default));
Assert.IsFalse(a.ScrambledEquals(d, EqualityComparer<int>.Default));
}
Assert.IsTrue(a.ScrambledEquals(b, EqualityComparer<int>.Default));
Assert.IsFalse(a.ScrambledEquals(c, EqualityComparer<int>.Default));
Assert.IsFalse(a.ScrambledEquals(d, EqualityComparer<int>.Default));
}
[Test]
public void FindIndexPredicateTest()
{
IEnumerable<int> a = new[] { 1, 2, 3, 4 };
Assert.AreEqual(2, a.FindIndex(i => i == 3));
}
[Test]
public void FindIndexPredicateTest()
{
IEnumerable<int> a = new[] {1, 2, 3, 4};
Assert.AreEqual(2, a.FindIndex(i => i == 3));
}
[Test]
public void SelectMultiTest()
{
int[] values = { 1, 2, 3 };
int[] result = values.SelectMulti(i => 1, i => 2).ToArray();
[Test]
public void FindIndicesPredicateTest()
{
IEnumerable<int> a = new[] {1, 2, 3, 4};
Assert.AreEqual(6, result.Length);
Assert.AreEqual(1, result[0]);
Assert.AreEqual(2, result[1]);
Assert.AreEqual(1, result[2]);
Assert.AreEqual(2, result[3]);
Assert.AreEqual(1, result[4]);
Assert.AreEqual(2, result[5]);
}
int[] indices = a.FindIndices(i => i % 2 == 0).ToArray();
[Test]
public void ExecuteTest()
{
int[] values = { 1, 2, 3 };
Assert.AreEqual(2, indices.Length);
Assert.AreEqual(1, indices[0]);
Assert.AreEqual(3, indices[1]);
}
int sum = 0;
IEnumerable<int> sequence = values.Select(v => { sum += v; return v; });
[Test]
public void SelectMultiTest()
{
int[] values = {1, 2, 3};
int[] result = values.SelectMulti(i => 1, i => 2).ToArray();
Assert.AreEqual(0, sum);
sequence.Execute();
Assert.AreEqual(6, sum);
}
Assert.AreEqual(6, result.Length);
Assert.AreEqual(1, result[0]);
Assert.AreEqual(2, result[1]);
Assert.AreEqual(1, result[2]);
Assert.AreEqual(2, result[3]);
Assert.AreEqual(1, result[4]);
Assert.AreEqual(2, result[5]);
}
[Test]
public void ForEachTest()
{
int[] values = { 1, 2, 3 };
[Test]
public void ExecuteTest()
{
int[] values = {1, 2, 3};
int sum = 0;
values.ForEach(v => sum += v);
int sum = 0;
IEnumerable<int> sequence = values.Select(v =>
{
sum += v;
return v;
});
Assert.AreEqual(6, sum);
}
Assert.AreEqual(0, sum);
sequence.Execute();
Assert.AreEqual(6, sum);
}
[Test]
public void ForEachIndexTest()
{
int[] values = { 1, 2, 3 };
[Test]
public void ForEachTest()
{
int[] values = {1, 2, 3};
int sum = 0;
values.ForEach((v, i) => sum += i);
int sum = 0;
values.ForEach(v => sum += v);
Assert.AreEqual(3, sum);
}
Assert.AreEqual(6, sum);
}
[Test]
public void ForEachIndexTest()
{
int[] values = {1, 2, 3};
int sum = 0;
values.ForEach((v, i) => sum += i);
Assert.AreEqual(3, sum);
}
#if SIMPLSHARP
[Test]
@@ -181,19 +197,19 @@ namespace ICD.Common.Utils.Tests.Extensions
}
#endif
[Test]
public void PrependManyTest()
{
int[] values = (new[] { 4, 5, 6 }).PrependMany(1, 2, 3).ToArray();
[Test]
public void PrependManyTest()
{
int[] values = (new[] {4, 5, 6}).PrependMany(1, 2, 3).ToArray();
Assert.AreEqual(6, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
Assert.AreEqual(4, values[3]);
Assert.AreEqual(5, values[4]);
Assert.AreEqual(6, values[5]);
}
Assert.AreEqual(6, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
Assert.AreEqual(4, values[3]);
Assert.AreEqual(5, values[4]);
Assert.AreEqual(6, values[5]);
}
#if SIMPLSHARP
[Test]
@@ -203,224 +219,230 @@ namespace ICD.Common.Utils.Tests.Extensions
}
#endif
[Test]
public void AppendManyTest()
{
int[] values = (new[] { 1, 2, 3 }).AppendMany(4, 5, 6).ToArray();
[Test]
public void AppendManyTest()
{
int[] values = (new[] {1, 2, 3}).AppendMany(4, 5, 6).ToArray();
Assert.AreEqual(6, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
Assert.AreEqual(4, values[3]);
Assert.AreEqual(5, values[4]);
Assert.AreEqual(6, values[5]);
}
Assert.AreEqual(6, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
Assert.AreEqual(4, values[3]);
Assert.AreEqual(5, values[4]);
Assert.AreEqual(6, values[5]);
}
[Test]
public void OrderTest()
{
int[] values = (new[] { 2, 3, 1 }).Order().ToArray();
[Test]
public void OrderTest()
{
int[] values = (new[] {2, 3, 1}).Order().ToArray();
Assert.AreEqual(3, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
Assert.AreEqual(3, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
[Test]
public void ExceptTest()
{
int[] values = (new[] { 1, 2, 3 }).Except(2).ToArray();
[Test]
public void ExceptTest()
{
int[] values = (new[] {1, 2, 3}).Except(2).ToArray();
Assert.AreEqual(2, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(3, values[1]);
}
Assert.AreEqual(2, values.Length);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(3, values[1]);
}
[Test]
public void ToHashSetTest()
{
IcdHashSet<int> values = (new[] { 1, 2, 3 }).ToHashSet();
[Test]
public void ToHashSetTest()
{
IcdHashSet<int> values = (new[] {1, 2, 3}).ToHashSet();
Assert.AreEqual(3, values.Count);
Assert.IsTrue(values.Contains(1));
Assert.IsTrue(values.Contains(2));
Assert.IsTrue(values.Contains(3));
}
Assert.AreEqual(3, values.Count);
Assert.IsTrue(values.Contains(1));
Assert.IsTrue(values.Contains(2));
Assert.IsTrue(values.Contains(3));
}
[Test]
public void ToDictionaryIntTest()
{
Dictionary<int, int> values = (new[] { 1, 2, 3 }).ToDictionary();
[Test]
public void ToDictionaryIntTest()
{
Dictionary<int, int> values = (new[] {1, 2, 3}).ToDictionary();
Assert.AreEqual(3, values.Count);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
Assert.AreEqual(3, values.Count);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
[Test]
public void ToDictionaryUIntTest()
{
Dictionary<uint, int> values = (new[] { 1, 2, 3 }).ToDictionaryUInt();
[Test]
public void ToDictionaryUIntTest()
{
Dictionary<uint, int> values = (new[] {1, 2, 3}).ToDictionaryUInt();
Assert.AreEqual(3, values.Count);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
Assert.AreEqual(3, values.Count);
Assert.AreEqual(1, values[0]);
Assert.AreEqual(2, values[1]);
Assert.AreEqual(3, values[2]);
}
[Test]
public void ToDictionaryTest()
{
KeyValuePair<int, string>[] items =
{
new KeyValuePair<int, string>(0, "A"),
new KeyValuePair<int, string>(1, "B"),
new KeyValuePair<int, string>(2, "C")
};
[Test]
public void ToDictionaryTest()
{
KeyValuePair<int, string>[] items =
{
new KeyValuePair<int, string>(0, "A"),
new KeyValuePair<int, string>(1, "B"),
new KeyValuePair<int, string>(2, "C")
};
Dictionary<int, string> values = items.ToDictionary();
Dictionary<int, string> values = items.ToDictionary();
Assert.AreEqual(3, values.Count);
Assert.AreEqual("A", values[0]);
Assert.AreEqual("B", values[1]);
Assert.AreEqual("C", values[2]);
}
Assert.AreEqual(3, values.Count);
Assert.AreEqual("A", values[0]);
Assert.AreEqual("B", values[1]);
Assert.AreEqual("C", values[2]);
}
[Test]
public void UnanimousTest()
{
Assert.IsTrue((new[] { true, true, true}).Unanimous());
Assert.IsTrue((new[] { false, false, false }).Unanimous());
Assert.IsFalse((new[] { false, true, false }).Unanimous());
Assert.IsFalse((new bool[] { }).Unanimous());
}
[Test]
public void UnanimousTest()
{
Assert.IsTrue((new[] {true, true, true}).Unanimous());
Assert.IsTrue((new[] {false, false, false}).Unanimous());
Assert.IsFalse((new[] {false, true, false}).Unanimous());
Assert.IsFalse((new bool[] { }).Unanimous());
}
[Test]
public void UnanimousOtherTest()
{
Assert.AreEqual("A", (new[] { "A", "A", "A" }).Unanimous("B"));
Assert.AreEqual("C", (new[] { "B", "A", "B" }).Unanimous("C"));
Assert.AreEqual("A", (new string[] { }).Unanimous("A"));
}
[Test]
public void UnanimousOtherTest()
{
Assert.AreEqual("A", (new[] {"A", "A", "A"}).Unanimous("B"));
Assert.AreEqual("C", (new[] {"B", "A", "B"}).Unanimous("C"));
Assert.AreEqual("A", (new string[] { }).Unanimous("A"));
}
[Test]
public void PartitionTest()
{
int[][] items = (new[] { 1, 2, 3, 4, 5, 6, 7, 8 }).Partition(3)
.Select(p => p.ToArray())
.ToArray();
[Test]
public void PartitionTest()
{
int[][] items = (new[] {1, 2, 3, 4, 5, 6, 7, 8}).Partition(3)
.Select(p => p.ToArray())
.ToArray();
Assert.AreEqual(3, items.Length);
Assert.AreEqual(3, items.Length);
Assert.AreEqual(3, items[0].Length);
Assert.AreEqual(3, items[1].Length);
Assert.AreEqual(2, items[2].Length);
Assert.AreEqual(3, items[0].Length);
Assert.AreEqual(3, items[1].Length);
Assert.AreEqual(2, items[2].Length);
Assert.AreEqual(1, items[0][0]);
Assert.AreEqual(2, items[0][1]);
Assert.AreEqual(3, items[0][2]);
Assert.AreEqual(1, items[0][0]);
Assert.AreEqual(2, items[0][1]);
Assert.AreEqual(3, items[0][2]);
Assert.AreEqual(4, items[1][0]);
Assert.AreEqual(5, items[1][1]);
Assert.AreEqual(6, items[1][2]);
Assert.AreEqual(4, items[1][0]);
Assert.AreEqual(5, items[1][1]);
Assert.AreEqual(6, items[1][2]);
Assert.AreEqual(7, items[2][0]);
Assert.AreEqual(8, items[2][1]);
}
Assert.AreEqual(7, items[2][0]);
Assert.AreEqual(8, items[2][1]);
}
[Test]
public void GetAdjacentPairsTest()
{
IEnumerable<int> a = new int[] {};
Assert.AreEqual(0, a.GetAdjacentPairs().Count());
[Test]
public void GetAdjacentPairsTest()
{
IEnumerable<int> a = new int[] { };
Assert.AreEqual(0, a.GetAdjacentPairs().Count());
IEnumerable<int> b = new[] { 1 };
Assert.AreEqual(0, b.GetAdjacentPairs().Count());
IEnumerable<int> b = new[] {1};
Assert.AreEqual(0, b.GetAdjacentPairs().Count());
IEnumerable<int> c = new[] { 1, 2, 3 };
int[][] cPairs = c.GetAdjacentPairs().ToArray();
IEnumerable<int> c = new[] {1, 2, 3};
int[][] cPairs = c.GetAdjacentPairs().ToArray();
Assert.AreEqual(2, cPairs.Length);
Assert.AreEqual(1, cPairs[0][0]);
Assert.AreEqual(2, cPairs[0][1]);
Assert.AreEqual(2, cPairs[1][0]);
Assert.AreEqual(3, cPairs[1][1]);
}
Assert.AreEqual(2, cPairs.Length);
Assert.AreEqual(1, cPairs[0][0]);
Assert.AreEqual(2, cPairs[0][1]);
Assert.AreEqual(2, cPairs[1][0]);
Assert.AreEqual(3, cPairs[1][1]);
}
[Test]
public void MinByTest()
{
Assert.AreEqual(1, new[] { 3, 6, 2, 7, 1 }.MinBy(i => i));
}
[Test]
public void GetClosestTest()
{
Assert.AreEqual(20, new[] {10, 15, 20, 30, 35}.GetClosest(i => i - 21));
}
[Test]
public void MinByComparerTest()
{
IComparer<int> comparer = new NegativeComparer();
Assert.AreEqual(7, new[] { 3, 6, 2, 7, 1 }.MinBy(i => i, comparer));
}
[Test]
public void MinByTest()
{
Assert.AreEqual(1, new[] {3, 6, 2, 7, 1}.MinBy(i => i));
}
private class NegativeComparer : IComparer<int>
{
public int Compare(int x, int y)
{
return Comparer<int>.Default.Compare(-x, -y);
}
}
[Test]
public void MinByComparerTest()
{
IComparer<int> comparer = new NegativeComparer();
Assert.AreEqual(7, new[] {3, 6, 2, 7, 1}.MinBy(i => i, comparer));
}
[Test]
public void ExceptNullsTest()
{
IEnumerable<int?> sequence = new int?[] { 1, 2, null, 3, 4, null };
int[] result = sequence.ExceptNulls().ToArray();
private class NegativeComparer : IComparer<int>
{
public int Compare(int x, int y)
{
return Comparer<int>.Default.Compare(-x, -y);
}
}
Assert.AreEqual(4, result.Length);
Assert.AreEqual(1, result[0]);
Assert.AreEqual(2, result[1]);
Assert.AreEqual(3, result[2]);
Assert.AreEqual(4, result[3]);
}
[Test]
public void ExceptNullsTest()
{
IEnumerable<int?> sequence = new int?[] {1, 2, null, 3, 4, null};
int[] result = sequence.ExceptNulls().ToArray();
[Test]
public void SumTest()
{
IEnumerable<byte> sequence = new byte[] { 1, 2, 3, 4 };
Assert.AreEqual(10, sequence.Sum());
}
Assert.AreEqual(4, result.Length);
Assert.AreEqual(1, result[0]);
Assert.AreEqual(2, result[1]);
Assert.AreEqual(3, result[2]);
Assert.AreEqual(4, result[3]);
}
[Test]
public void ConsolidateTest()
{
string[] sequence = EnumerableExtensions.Consolidate(new[] { "A", "B", "B", "C" }).ToArray();
[Test]
public void SumTest()
{
IEnumerable<byte> sequence = new byte[] {1, 2, 3, 4};
Assert.AreEqual(10, sequence.Sum());
}
Assert.AreEqual(3, sequence.Length, StringUtils.ArrayFormat(sequence));
Assert.AreEqual("A", sequence[0]);
Assert.AreEqual("B", sequence[1]);
Assert.AreEqual("C", sequence[2]);
}
[Test]
public void ConsolidateTest()
{
string[] sequence = EnumerableExtensions.Consolidate(new[] {"A", "B", "B", "C"}).ToArray();
[Test]
public void ConsolidateComparerTest()
{
string[] sequence = EnumerableExtensions.Consolidate(new[] { "A", "B", "B", "C" }, Comparer<string>.Default).ToArray();
Assert.AreEqual(3, sequence.Length, StringUtils.ArrayFormat(sequence));
Assert.AreEqual("A", sequence[0]);
Assert.AreEqual("B", sequence[1]);
Assert.AreEqual("C", sequence[2]);
}
Assert.AreEqual(3, sequence.Length, StringUtils.ArrayFormat(sequence));
Assert.AreEqual("A", sequence[0]);
Assert.AreEqual("B", sequence[1]);
Assert.AreEqual("C", sequence[2]);
}
[Test]
public void ConsolidateComparerTest()
{
string[] sequence = EnumerableExtensions.Consolidate(new[] {"A", "B", "B", "C"}, Comparer<string>.Default).ToArray();
[Test]
public void AnyAndAllTest()
{
IEnumerable<int> sequence = new[] { 1, 2, 3, 4 };
Assert.AreEqual(3, sequence.Length, StringUtils.ArrayFormat(sequence));
Assert.AreEqual("A", sequence[0]);
Assert.AreEqual("B", sequence[1]);
Assert.AreEqual("C", sequence[2]);
}
Assert.IsTrue(sequence.AnyAndAll(i => i > 0));
Assert.IsFalse(sequence.AnyAndAll(i => i < 0));
Assert.IsFalse(Enumerable.Empty<int>().AnyAndAll(i => i > 0));
}
}
[Test]
public void AnyAndAllTest()
{
IEnumerable<int> sequence = new[] {1, 2, 3, 4};
Assert.IsTrue(sequence.AnyAndAll(i => i > 0));
Assert.IsFalse(sequence.AnyAndAll(i => i < 0));
Assert.IsFalse(Enumerable.Empty<int>().AnyAndAll(i => i > 0));
}
}
}