public static void ClearTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: false))
{
valueStack.Clear();
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)3)
.And.Count.EqualTo((nuint)0)
);
}
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: false))
{
_ = valueStack.Pop();
valueStack.Push(4);
valueStack.Clear();
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)3)
.And.Count.EqualTo((nuint)0)
);
}
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
_ = valueStack.Pop();
valueStack.Push(4);
valueStack.Push(5);
valueStack.Clear();
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)6)
.And.Count.EqualTo((nuint)0)
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
valueStack.Clear();
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)0)
.And.Count.EqualTo((nuint)0)
);
}
}
public static void ContainsTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
Assert.That(() => valueStack.Contains(1),
Is.True
);
Assert.That(() => valueStack.Contains(4),
Is.False
);
_ = valueStack.Pop();
valueStack.Push(4);
Assert.That(() => valueStack.Contains(3),
Is.False
);
Assert.That(() => valueStack.Contains(4),
Is.True
);
_ = valueStack.Pop();
valueStack.Push(5);
valueStack.Push(6);
Assert.That(() => valueStack.Contains(4),
Is.False
);
Assert.That(() => valueStack.Contains(5),
Is.True
);
Assert.That(() => valueStack.Contains(6),
Is.True
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
Assert.That(() => valueStack.Contains(0),
Is.False
);
}
}
public static void PeekTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
Assert.That(() => valueStack.Peek(),
Is.EqualTo(3)
);
valueStack.Push(4);
Assert.That(() => valueStack.Peek(),
Is.EqualTo(4)
);
_ = valueStack.Pop();
valueStack.Push(5);
Assert.That(() => valueStack.Peek(),
Is.EqualTo(5)
);
_ = valueStack.Pop();
valueStack.Push(6);
valueStack.Push(7);
Assert.That(() => valueStack.Peek(),
Is.EqualTo(7)
);
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)6)
.And.Count.EqualTo((nuint)5)
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
Assert.That(() => valueStack.Peek(),
Throws.InvalidOperationException
);
}
}
public static void TryPeekNUIntTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
var result = valueStack.TryPeek(0, out var value);
Assert.That(() => result,
Is.True
);
Assert.That(() => value,
Is.EqualTo(3)
);
valueStack.Push(4);
result = valueStack.TryPeek(0, out value);
Assert.That(() => result,
Is.True
);
Assert.That(() => value,
Is.EqualTo(4)
);
result = valueStack.TryPeek(3, out value);
Assert.That(() => result,
Is.True
);
Assert.That(() => value,
Is.EqualTo(1)
);
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)6)
.And.Count.EqualTo((nuint)4)
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
Assert.That(() => valueStack.TryPeek(0, out _),
Is.False
);
}
}
public static void PeekNUIntTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
Assert.That(() => valueStack.Peek(0),
Is.EqualTo(3)
);
valueStack.Push(4);
Assert.That(() => valueStack.Peek(0),
Is.EqualTo(4)
);
Assert.That(() => valueStack.Peek(3),
Is.EqualTo(1)
);
_ = valueStack.Pop();
valueStack.Push(5);
Assert.That(() => valueStack.Peek(0),
Is.EqualTo(5)
);
Assert.That(() => valueStack.Peek(1),
Is.EqualTo(3)
);
_ = valueStack.Pop();
valueStack.Push(6);
valueStack.Push(7);
Assert.That(() => valueStack.Peek(0),
Is.EqualTo(7)
);
Assert.That(() => valueStack.Peek(2),
Is.EqualTo(3)
);
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo((nuint)6)
.And.Count.EqualTo((nuint)5)
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
Assert.That(() => valueStack.Peek(0),
Throws.InstanceOf <ArgumentOutOfRangeException>()
.And.Property("ActualValue").EqualTo((nuint)0)
.And.Property("ParamName").EqualTo("index")
);
}
}
public static void CopyToUnmanagedSpanTest()
{
var array = new UnmanagedArray <int>(3);
array[0] = 1;
array[1] = 2;
array[2] = 3;
using (var valueStack = new UnmanagedValueStack <int>(array, takeOwnership: true))
{
using (var destination = new UnmanagedArray <int>(3))
{
valueStack.CopyTo(destination);
Assert.That(() => destination[0],
Is.EqualTo(1)
);
Assert.That(() => destination[1],
Is.EqualTo(2)
);
Assert.That(() => destination[2],
Is.EqualTo(3)
);
_ = valueStack.Pop();
valueStack.Push(4);
valueStack.CopyTo(destination);
Assert.That(() => destination[0],
Is.EqualTo(1)
);
Assert.That(() => destination[1],
Is.EqualTo(2)
);
Assert.That(() => destination[2],
Is.EqualTo(4)
);
}
using (var destination = new UnmanagedArray <int>(6))
{
valueStack.CopyTo(destination);
Assert.That(() => destination[0],
Is.EqualTo(1)
);
Assert.That(() => destination[1],
Is.EqualTo(2)
);
Assert.That(() => destination[2],
Is.EqualTo(4)
);
Assert.That(() => destination[3],
Is.EqualTo(0)
);
Assert.That(() => destination[4],
Is.EqualTo(0)
);
Assert.That(() => destination[5],
Is.EqualTo(0)
);
_ = valueStack.Pop();
valueStack.Push(5);
valueStack.Push(6);
valueStack.CopyTo(destination);
Assert.That(() => destination[0],
Is.EqualTo(1)
);
Assert.That(() => destination[1],
Is.EqualTo(2)
);
Assert.That(() => destination[2],
Is.EqualTo(5)
);
Assert.That(() => destination[3],
Is.EqualTo(6)
);
Assert.That(() => destination[4],
Is.EqualTo(0)
);
Assert.That(() => destination[5],
Is.EqualTo(0)
);
}
Assert.That(() => valueStack.CopyTo(UnmanagedArray <int> .Empty),
Throws.InstanceOf <ArgumentOutOfRangeException>()
.And.Property("ActualValue").EqualTo((nuint)4)
.And.Property("ParamName").EqualTo("Count")
);
}
using (var valueStack = new UnmanagedValueStack <int>())
{
Assert.That(() => valueStack.CopyTo(UnmanagedArray <int> .Empty),
Throws.Nothing
);
}
}