public void GivenIHaveTheLengthOfABigArray_WhenICreateABigArrayTest_AnInstanceIsCreated(int xLength, int yLength, int filledIndex)
{
var random = new Random();
var filledValues = new Dictionary <string, GeneratedValues>();
for (int i = 0; i < filledIndex; i++)
{
var x = random.Next(xLength - 1);
var y = random.Next(yLength - 1);
filledValues[$"{x},{y}"] = new GeneratedValues(x, y, random.NextDouble());
}
using (var array = new NoLohArray2D <double>(xLength, yLength, true))
{
array.Strides.StrideX.Should().Be(1);
array.Strides.StrideY.Should().Be(xLength);
array.XLength.Should().Be(xLength);
array.YLength.Should().Be(yLength);
foreach (var item in filledValues)
{
array[item.Value.X, item.Value.Y] = item.Value.Value;
}
foreach (var item in filledValues)
{
array[item.Value.X, item.Value.Y].Should().Be(item.Value.Value);
}
}
}
public void GivenIHaveANoLohArray_WhenITransposeAxes_ThenStridesAreChangedAndValuesAreSwapped()
{
using (var noLohArray = new NoLohArray2D <double>(2, 3))
{
noLohArray[0, 0] = 10;
noLohArray[0, 1] = 20;
noLohArray[0, 2] = 30;
noLohArray[1, 0] = 40;
noLohArray[1, 1] = 50;
noLohArray[1, 2] = 60;
noLohArray.Transpose();
noLohArray.Strides.StrideX.Should().Be(2);
noLohArray.Strides.StrideY.Should().Be(1);
noLohArray.XLength.Should().Be(3);
noLohArray.YLength.Should().Be(2);
noLohArray[0, 0].Should().Be(10);
noLohArray[0, 1].Should().Be(40);
noLohArray[1, 0].Should().Be(20);
noLohArray[1, 1].Should().Be(50);
noLohArray[2, 0].Should().Be(30);
noLohArray[2, 1].Should().Be(60);
}
}
public void GivenIHaveABigArray_WhenISetAnIndexGreaterThanLength_AnExceptionIsThrow(int xLength, int yLength, int xIndex, int yIndex)
{
Action action = () =>
{
using (var noLohArray = new NoLohArray2D <double>(xLength, yLength))
{
noLohArray[xIndex, yIndex] = 10;
}
};
action.ShouldThrow <ArgumentException>();
}
public void GivenIHaveABigArray_WhenIGetANegativeIndex_AnExceptionIsThrow(int xLength, int yLength, int xIndex, int yIndex)
{
Action action = () =>
{
using (var noLohArray = new NoLohArray2D <double>(xLength, yLength))
{
var value = noLohArray[xIndex, yIndex];
}
};
action.ShouldThrow <ArgumentException>();
}
