project('number arithmetic', 'c') if 6 + 4 != 10 error('Number addition is broken') endif if 6 - 4 != 2 error('Number subtraction is broken') endif if 6 * 4 != 24 error('Number multiplication is broken') endif if 16 / 4 != 4 error('Number division is broken') endif #if (1 / 3) * 3 != 1 # error('Float interconversion broken') #endif if (5 / 3) * 3 != 3 error('Integer division is broken') endif assert((5 % 2) == 1, 'Integer modulo (odd) is broken') assert((4 % 2) == 0, 'Integer modulo (even) is broken') if 2 * 1 % 2 != 0 error('Modulo precendence with multiplication is broken') endif if 2 + 1 % 2 != 3 error('Modulo precendence with addition is broken') endif if 9 / 9 % 2 != 1 error('Modulo precendence with division is broken') endif if 9 - 9 % 2 != 8 error('Modulo precendence with subtraction is broken') endif assert(2.is_even(), 'int is_even() broken for even value') assert(not(2.is_odd()), 'int is_odd() broken for even value') assert(not(3.is_even()), 'int is_even() broken for odd value') assert(3.is_odd(), 'int is_odd() broken for odd value') assert(3 < 4, 'Lt broken') assert(not(4 < 3), 'Lt broken') assert(3 <= 4, 'Lte broken') assert(not(4 <= 3), 'Lte broken') assert(3 <= 3, 'Lte broken') assert(4 > 3, 'Gt broken') assert(not(3 > 4), 'Gt broken') assert(4 >= 3, 'Gte broken') assert(not(3 >= 4), 'Gte broken') assert(3 >= 3, 'Gte broken') assert(true.to_int() == 1,'bool to_int() broken') assert(false.to_int() == 0,'bool to_int() broken')