public void SparseByteArray_CreateTwoDimensionalArray()
{
SparseByteArray array = SparseByteArray.CreateInstance(10, 20);
Assert.AreEqual(2, array.Rank);
Assert.AreEqual(10, array.GetLength(0));
Assert.AreEqual(20, array.GetLength(1));
Assert.AreEqual(10 * 20, array.Length);
// Set value
array[0, 0] = 1;
array[5, 5] = 1;
array[9, 9] = 1;
// Get value
Assert.AreEqual(1, array[0, 0]);
Assert.AreEqual(0, array[0, 1]);
Assert.AreEqual(0, array[1, 0]);
Assert.AreEqual(1, array[5, 5]);
Assert.AreEqual(1, array[9, 9]);
Assert.AreEqual(3, array.Sum);
array[5, 5] = 0;
Assert.AreEqual(2, array.Sum);
}
public void SparseByteArray_GetRowThrowsInvalidOperationException()
{
SparseByteArray o;
SparseByteArray sparseByteArray;
int[] ints = new int[1];
o = SparseByteArray.CreateInstance(ints);
sparseByteArray = o.GetRow(0);
}
public void SparseByteArray_OutOfRangeIndexAddress()
{
SparseByteArray array = SparseByteArray.CreateInstance(10, 10);
Assert.AreEqual(2, array.Rank);
// Set value
array[0, 0, 0] = 1;
Assert.Fail("We should get an exception");
}
public void SparseByteArray_GetRow()
{
SparseByteArray o;
SparseByteArray sparseByteArray;
int[] ints = new int[2];
o = SparseByteArray.CreateInstance(ints);
sparseByteArray = o.GetRow(0);
Assert.IsNull((object)sparseByteArray);
Assert.IsNotNull(o);
Assert.AreEqual <int>(2, ((SparseByteArray)o).Rank);
Assert.AreEqual <int>(0, ((SparseByteArray)o).Length);
}
private void DoTestBackingStoreAndSliceAccessManyDimensions(AbstractSparseBinaryMatrix sm)
{
/*set diagonal element to true*/
sm.Set(1, 0, 0, 0);
sm.Set(1, 1, 1, 1);
sm.Set(1, 2, 2, 2);
sm.Set(1, 3, 3, 3);
sm.Set(1, 4, 4, 4);
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
for (int k = 0; k < 5; k++)
{
if (k == j & j == i)
{
Assert.AreEqual(1, sm.GetIntValue(i, j, k));
}
}
}
}
SparseByteArray slice = (SparseByteArray)sm.GetSlice(4, 4);
for (int i = 0; i < 5; i++)
{
Assert.AreEqual(1, sm.GetTrueCount(i));
}
Console.WriteLine("slice:" + ArrayUtils.IntArrayToString(slice));
Assert.AreEqual(1, slice[4]);
/*update first row to true, other to false*/
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
for (int k = 0; k < 5; k++)
{
if (0 == i)
{
sm.Set(1, i, j, k);
}
else
{
sm.Set(0, i, j, k);
}
}
}
}
Assert.AreEqual(25, sm.GetTrueCounts()[0]);
Assert.AreEqual(0, sm.GetTrueCounts()[1]);
}
public void SparseByteArray_2D_SetRowOfValues()
{
SparseByteArray array = SparseByteArray.CreateInstance(10, 20);
// Set value
array[1] = 1;
// Get value
Assert.AreEqual(0, array[0, 0]);
Assert.AreEqual(0, array[0, 1]);
Assert.AreEqual(1, array[1, 0]);
Assert.AreEqual(1, array[1, 5]);
Assert.AreEqual(1, array[1, 9]);
Assert.AreEqual(0, array[2, 0]);
Assert.AreEqual(0, array[2, 1]);
Assert.AreEqual(20, array.GetRow(1).Sum);
}
