public void ConstructorValuesAreAccessibleByIndexer()
{
Matrix1x3 matrix1x3;
matrix1x3 = new Matrix1x3();
for (int x = 0; x < matrix1x3.Columns; x++)
{
for (int y = 0; y < matrix1x3.Rows; y++)
{
Assert.Equal(0, matrix1x3[x, y], Epsilon);
}
}
double value = 33.33;
matrix1x3 = new Matrix1x3(value);
for (int x = 0; x < matrix1x3.Columns; x++)
{
for (int y = 0; y < matrix1x3.Rows; y++)
{
Assert.Equal(value, matrix1x3[x, y], Epsilon);
}
}
GenerateFilledMatrixWithValues(out matrix1x3);
for (int y = 0; y < matrix1x3.Rows; y++)
{
for (int x = 0; x < matrix1x3.Columns; x++)
{
Assert.Equal(y * matrix1x3.Columns + x, matrix1x3[x, y], Epsilon);
}
}
}
public void ConstantValuesAreCorrect()
{
Matrix1x3 matrix1x3 = new Matrix1x3();
Assert.Equal(1, matrix1x3.Columns);
Assert.Equal(3, matrix1x3.Rows);
Assert.Equal(Matrix1x3.ColumnCount, matrix1x3.Columns);
Assert.Equal(Matrix1x3.RowCount, matrix1x3.Rows);
}
public void IndexerGetAndSetValuesCorrectly()
{
Matrix1x3 matrix1x3 = new Matrix1x3();
for (int x = 0; x < matrix1x3.Columns; x++)
{
for (int y = 0; y < matrix1x3.Rows; y++)
{
matrix1x3[x, y] = y * matrix1x3.Columns + x;
}
}
for (int y = 0; y < matrix1x3.Rows; y++)
{
for (int x = 0; x < matrix1x3.Columns; x++)
{
Assert.Equal(y * matrix1x3.Columns + x, matrix1x3[x, y], Epsilon);
}
}
}
public void AccessorThrowsWhenOutOfBounds()
{
Matrix1x3 matrix1x3 = new Matrix1x3();
try
{
matrix1x3[-1, 0] = 0;
Assert.Fail("Matrix1x3[-1, 0] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix1x3[0, -1] = 0;
Assert.Fail("Matrix1x3[0, -1] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix1x3[1, 0] = 0;
Assert.Fail("Matrix1x3[1, 0] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix1x3[0, 3] = 0;
Assert.Fail("Matrix1x3[0, 3] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
}
private void GenerateFilledMatrixWithValues(out Matrix1x3 matrix)
{
matrix = new Matrix1x3(0,
1,
2);
}
public void MuliplyByMatrix4x1ProducesMatrix4x3()
{
Matrix1x3 matrix1 = new Matrix1x3(3);
Matrix4x1 matrix2 = new Matrix4x1(2);
Matrix4x3 result = matrix1 * matrix2;
Matrix4x3 expected = new Matrix4x3(6, 6, 6, 6,
6, 6, 6, 6,
6, 6, 6, 6);
Assert.Equal(expected, result);
}
public void AccessorThrowsWhenOutOfBounds()
{
Matrix1x3 matrix1x3 = new Matrix1x3();
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix1x3[-1, 0] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix1x3[0, -1] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix1x3[1, 0] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix1x3[0, 3] = 0; });
}
public void EqualityOperatorWorksCorrectly()
{
Matrix1x3 value1 = new Matrix1x3(100);
Matrix1x3 value2 = new Matrix1x3(50) * 2;
Assert.Equal(value1, value2);
Assert.True(value1 == value2, "Equality operator failed.");
}
public void HashCodeGenerationWorksCorrectly()
{
HashSet<int> hashCodes = new HashSet<int>();
Matrix1x3 value = new Matrix1x3(1);
for (int i = 2; i <= 100; i++)
{
Assert.True(hashCodes.Add(value.GetHashCode()), "Unique hash code generation failure.");
value *= i;
}
}
public void MemberGetAndSetValuesCorrectly()
{
Matrix1x3 matrix1x3 = new Matrix1x3();
matrix1x3.M11 = 0;
matrix1x3.M12 = 1;
matrix1x3.M13 = 2;
Assert.Equal(0, matrix1x3.M11, Epsilon);
Assert.Equal(1, matrix1x3.M12, Epsilon);
Assert.Equal(2, matrix1x3.M13, Epsilon);
Assert.Equal(matrix1x3[0, 0], matrix1x3.M11, Epsilon);
Assert.Equal(matrix1x3[0, 1], matrix1x3.M12, Epsilon);
Assert.Equal(matrix1x3[0, 2], matrix1x3.M13, Epsilon);
}
public void MuliplyByMatrix1x3ProducesMatrix1x4()
{
Matrix3x4 matrix1 = new Matrix3x4(3);
Matrix1x3 matrix2 = new Matrix1x3(2);
Matrix1x4 result = matrix1 * matrix2;
Matrix1x4 expected = new Matrix1x4(18,
18,
18,
18);
Assert.Equal(expected, result);
}
public void MuliplyByMatrix1x4ProducesMatrix1x3()
{
Matrix4x3 matrix1 = new Matrix4x3(3);
Matrix1x4 matrix2 = new Matrix1x4(2);
Matrix1x3 result = matrix1 * matrix2;
Matrix1x3 expected = new Matrix1x3(24,
24,
24);
Assert.Equal(expected, result);
}
public void MuliplyByMatrix1x3ProducesMatrix1x2()
{
Matrix3x2 matrix1 = new Matrix3x2(3);
Matrix1x3 matrix2 = new Matrix1x3(2);
Matrix1x2 result = matrix1 * matrix2;
Matrix1x2 expected = new Matrix1x2(18,
18);
Assert.AreEqual(expected, result);
}
private void GenerateFilledMatrixWithValues(out Matrix1x3 matrix)
{
matrix = new Matrix1x3(0,
1,
2);
}
public void SimpleSubtractionGeneratesCorrectValues()
{
Matrix1x3 value1 = new Matrix1x3(100);
Matrix1x3 value2 = new Matrix1x3(1);
Matrix1x3 result = value1 - value2;
for (int y = 0; y < Matrix1x3.RowCount; y++)
{
for (int x = 0; x < Matrix1x3.ColumnCount; x++)
{
Assert.Equal(100 - 1, result[x, y], Epsilon);
}
}
}
public void MuliplyByMatrix1x2ProducesMatrix1x3()
{
Matrix2x3 matrix1 = new Matrix2x3(3);
Matrix1x2 matrix2 = new Matrix1x2(2);
Matrix1x3 result = matrix1 * matrix2;
Matrix1x3 expected = new Matrix1x3(12,
12,
12);
Assert.Equal(expected, result);
}
public void SimpleAdditionGeneratesCorrectValues()
{
Matrix1x3 value1 = new Matrix1x3(1);
Matrix1x3 value2 = new Matrix1x3(99);
Matrix1x3 result = value1 + value2;
for (int y = 0; y < Matrix1x3.RowCount; y++)
{
for (int x = 0; x < Matrix1x3.ColumnCount; x++)
{
Assert.AreEqual(1 + 99, result[x, y], Epsilon);
}
}
}
