TValue IList <TValue> .this[int colIndex]
{
get
{
return(Matrix.GetValueOrMissing(RowIndex, colIndex));
}
set
{
Matrix.SetValueOrMissing(RowIndex, colIndex, value);
}
}
/// <summary>
/// Do a series of unit tests in which the matrix is access by rowIndex and colIndex.
/// </summary>
/// <param name="matrix">The matrix to test. It should have the values of the matrix from CreateModelMatrix()</param>
/// <param name="doOutOfRangeTest">If true, does a test that throws and catches an exception related to being out of bounds.</param>
public static void TestByIndexes(Matrix <string, string, double> matrix, bool doOutOfRangeTest)
{
//Loop for index and keys
//Get the missing value
double missingValue = matrix.MissingValue;
//TryGetValue - true
double valueAX;
Helper.CheckCondition(matrix.TryGetValue(0, 0, out valueAX) && valueAX == 1);
//TryGetValue - false
double valueCZ;
Helper.CheckCondition(!matrix.TryGetValue(2, 2, out valueCZ) && matrix.IsMissing(valueCZ));
//TryGetValue that is not in range should throw some exception
if (doOutOfRangeTest)
{
try
{
double valueDW;
matrix.TryGetValue(3, 3, out valueDW);
Helper.CheckCondition(false);
}
catch (Exception)
{
}
}
//SetValueOrMissing - value -> value
matrix.SetValueOrMissing(0, 0, 6);
Helper.CheckCondition(matrix.TryGetValue(0, 0, out valueAX) && valueAX == 6);
//SetValueOrMissing - value -> missing
matrix.SetValueOrMissing(0, 0, double.NaN);
Helper.CheckCondition(!matrix.TryGetValue(0, 0, out valueAX));
//SetValueOrMissing - missing -> value
matrix.SetValueOrMissing(0, 0, 7);
Helper.CheckCondition(matrix.TryGetValue(0, 0, out valueAX) && valueAX == 7);
//SetValueOrMissing - missing -> missing
matrix.SetValueOrMissing(2, 2, double.NaN);
Helper.CheckCondition(!matrix.TryGetValue(2, 2, out valueCZ));
//Remove - true
Helper.CheckCondition(matrix.Remove(0, 0));
//Remove - false
Helper.CheckCondition(!matrix.Remove(0, 0));
//this get value
Helper.CheckCondition(2 == matrix[0, 1]);
//this set to value
matrix[0, 1] = 8;
Helper.CheckCondition(8 == matrix[0, 1]);
//this get missing - expect error
try
{
double valueCX = matrix[2, 0];
Helper.CheckCondition(false);
}
catch (Exception)
{
}
//this set to missing - expect error
try
{
matrix[0, 0] = double.NaN;
Helper.CheckCondition(false);
}
catch (Exception)
{
}
}
