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_wrapping_sub() {
fn test<T: PrimitiveInt>(x: T, y: T, out: T) {
assert_eq!(x.wrapping_sub(y), out);
let mut x = x;
x.wrapping_sub_assign(y);
assert_eq!(x, out);
}
test::<u16>(456, 123, 333);
test::<u8>(123, 200, 179);
test::<i16>(123, -456, 579);
test::<i8>(123, -45, -88);
test::<i8>(-123, 45, 88);
}
fn wrapping_sub_properties_helper_unsigned<T: PrimitiveUnsigned>() {
unsigned_pair_gen_var_27::<T>().test_properties(|(x, y)| {
let mut diff = x;
diff.wrapping_sub_assign(y);
assert_eq!(diff, x.wrapping_sub(y));
assert_eq!(diff, x.wrapping_add(y.wrapping_neg()));
assert_eq!(diff.wrapping_add(y), x);
assert_eq!(y.wrapping_sub(x), diff.wrapping_neg());
});
}
fn wrapping_sub_properties_helper_signed<T: PrimitiveSigned>() {
signed_pair_gen::<T>().test_properties(|(x, y)| {
let mut diff = x;
diff.wrapping_sub_assign(y);
assert_eq!(diff, x.wrapping_sub(y));
assert_eq!(diff, x.wrapping_add(y.wrapping_neg()));
assert_eq!(diff.wrapping_add(y), x);
assert_eq!(y.wrapping_sub(x), diff.wrapping_neg());
});
}
#[test]
fn wrapping_sub_properties() {
apply_fn_to_unsigneds!(wrapping_sub_properties_helper_unsigned);
apply_fn_to_signeds!(wrapping_sub_properties_helper_signed);
}