public void InsertLineIntoMatrixHappyPath()
{
var matrix = new string[2, 2];
var data = new string[] { "a", "b" };
WordSearch.InsertLineIntoMatrix(matrix, data, 0);
Assert.Equal("a", matrix[0, 0]);
Assert.Equal("b", matrix[1, 0]);
Assert.Null(matrix[0, 1]);
Assert.Null(matrix[1, 1]);
}
public void InsertLineIntoMatrixGarbageData()
{
var matrix = new string[2, 2];
var data = new string[] { "a" };
Assert.Throws <ArgumentException>(() => WordSearch.InsertLineIntoMatrix(matrix, data, 0));
data = new string[] { "a", "b" };
Assert.Throws <IndexOutOfRangeException>(() => WordSearch.InsertLineIntoMatrix(matrix, data, 2));
Assert.Throws <NullReferenceException>(() => WordSearch.InsertLineIntoMatrix(null, data, 0));
Assert.Throws <NullReferenceException>(() => WordSearch.InsertLineIntoMatrix(matrix, null, 0));
}