use malachite_base::num::basic::integers::PrimitiveInt;
use malachite_base::num::basic::signeds::PrimitiveSigned;
use malachite_base::num::basic::unsigneds::PrimitiveUnsigned;
use malachite_base::test_util::generators::{signed_pair_gen, unsigned_pair_gen_var_27};
#[test]
fn test_overflowing_add() {
fn test<T: PrimitiveInt>(x: T, y: T, out: T, overflow: bool) {
assert_eq!(x.overflowing_add(y), (out, overflow));
let mut x = x;
assert_eq!(x.overflowing_add_assign(y), overflow);
assert_eq!(x, out);
}
test::<u16>(123, 456, 579, false);
test::<u8>(123, 200, 67, true);
test::<i16>(123, -456, -333, false);
test::<i8>(123, 45, -88, true);
test::<i8>(-123, -45, 88, true);
}
fn overflowing_add_properties_helper_unsigned<T: PrimitiveUnsigned>() {
unsigned_pair_gen_var_27::<T>().test_properties(|(x, y)| {
let mut sum = x;
let overflow = sum.overflowing_add_assign(y);
assert_eq!((sum, overflow), x.overflowing_add(y));
assert_eq!(x.wrapping_add(y), sum);
if !overflow {
assert_eq!(sum, x + y);
}
});
}
fn overflowing_add_properties_helper_signed<T: PrimitiveSigned>() {
signed_pair_gen::<T>().test_properties(|(x, y)| {
let mut sum = x;
let overflow = sum.overflowing_add_assign(y);
assert_eq!((sum, overflow), x.overflowing_add(y));
assert_eq!(x.wrapping_add(y), sum);
if !overflow {
assert_eq!(sum, x + y);
}
});
}
#[test]
fn overflowing_add_properties() {
apply_fn_to_unsigneds!(overflowing_add_properties_helper_unsigned);
apply_fn_to_signeds!(overflowing_add_properties_helper_signed);
}