public void testCreateConstantMatrix_3x3() {
ByteMatrix a = factory().createConstantMatrix(3, 3, (byte)10);
assertEquals(3, a.rows());
assertEquals(3, a.columns());
for (int i = 0; i < a.rows(); i++) {
for (int j = 0; j < a.columns(); j++) {
assertEquals(10, a.get(i, j));
}