@Test
public void testAddShouldPass() throws Exception {
Matrix a = new Matrix(new double[][] {{1, 2, 3}, {3, 2, 1}, {2, 1, 3}});
Matrix b = new Matrix(new double[][] {{1, 2, 3}, {3, 2, 1}, {2, 1, 3}});
Matrix c = a.add(b);
Matrix r = new Matrix(new double[][] {{2, 4, 6}, {6, 4, 2}, {4, 2, 6}});
for (int i = 0; i < c.getNumRows(); i++) {
for (int j = 0; j < c.getNumColumns(); j++) {
assertEquals(r.getElement(i, j), c.getElement(i, j), 0);
}
}
}
@Test
public void addTwoMatrix() {
int row = 2, column = 2;
int[] firstArrayInput = {1, 2, 3, 4};
int[] secondArrayInput = {2, 3, 4, 5};
int[] expectedOutput = {3, 5, 7, 9};
Matrix firstMatrix = new Matrix(row, column);
Matrix secondMatrix = new Matrix(row, column);
Matrix expectedMatrix = new Matrix(row, column);
firstMatrix.populate(firstArrayInput);
secondMatrix.populate(secondArrayInput);
expectedMatrix.populate(expectedOutput);
Matrix destinationMatrix = firstMatrix.add(secondMatrix);
assertArrayEquals(destinationMatrix.matrix, expectedMatrix.matrix);
}