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Copy pathCircularBufferTest.cs
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86 lines (70 loc) · 1.7 KB
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using System;
using System.Linq;
using NFluent;
using ReClassNET.Util;
using Xunit;
namespace ReClass.NET_Tests.Util
{
public class CircularBufferTest
{
[Fact]
public void CheckInitialCapacityCount()
{
const int Capacity = 5;
var cb = new CircularBuffer<int>(Capacity);
Check.That(cb.Capacity).IsEqualTo(Capacity);
Check.That(cb.Count).IsEqualTo(0);
}
[Fact]
public void DequeueFromEmptyBufferThrows()
{
var cb = new CircularBuffer<int>(1);
Check.ThatCode(() => cb.Dequeue()).Throws<InvalidOperationException>();
}
[Theory]
[InlineData(1)]
[InlineData(2)]
[InlineData(10)]
[InlineData(100)]
public void CheckEnqueueAndDeque(int value)
{
var cb = new CircularBuffer<int>(1);
var overwrittenValue = cb.Enqueue(value);
Check.That(overwrittenValue).IsEqualTo(default);
Check.That(cb.Dequeue()).IsEqualTo(value);
}
[Theory]
[InlineData(1)]
[InlineData(1, 2)]
[InlineData(1, 2, 3)]
[InlineData(1, 2, 3, 4)]
[InlineData(1, 2, 3, 4, 5)]
public void CheckMultipleEnqueueAndDeque(params int[] values)
{
var cb = new CircularBuffer<int>(values.Length);
foreach (var value in values)
{
cb.Enqueue(value);
}
foreach (var value in values.Reverse())
{
Check.That(cb.Dequeue()).IsEqualTo(value);
}
}
[Theory]
[InlineData(1, 2)]
[InlineData(1, 2, 3)]
[InlineData(1, 2, 3, 4)]
[InlineData(1, 2, 3, 4, 5)]
public void CheckOverflow(params int[] values)
{
var cb = new CircularBuffer<int>(1);
cb.Enqueue(values[0]);
for (var i = 1; i < values.Length; ++i)
{
Check.That(cb.Enqueue(values[i])).IsEqualTo(values[i - 1]);
}
Check.That(cb.Dequeue()).IsEqualTo(values[values.Length - 1]);
}
}
}