rust/tests/ui/op-assign-builtins-by-ref.rs

77 lines
1.3 KiB
Rust

//@ run-pass
fn main() {
// test compound assignment operators with ref as right-hand side,
// for each operator, with various types as operands.
// test AddAssign
{
let mut x = 3i8;
x += &2i8;
assert_eq!(x, 5i8);
}
// test SubAssign
{
let mut x = 7i16;
x -= &4;
assert_eq!(x, 3i16);
}
// test MulAssign
{
let mut x = 3f32;
x *= &3f32;
assert_eq!(x, 9f32);
}
// test DivAssign
{
let mut x = 6f64;
x /= &2f64;
assert_eq!(x, 3f64);
}
// test RemAssign
{
let mut x = 7i64;
x %= &4i64;
assert_eq!(x, 3i64);
}
// test BitOrAssign
{
let mut x = 0b1010u8;
x |= &0b1100u8;
assert_eq!(x, 0b1110u8);
}
// test BitAndAssign
{
let mut x = 0b1010u16;
x &= &0b1100u16;
assert_eq!(x, 0b1000u16);
}
// test BitXorAssign
{
let mut x = 0b1010u32;
x ^= &0b1100u32;
assert_eq!(x, 0b0110u32);
}
// test ShlAssign
{
let mut x = 0b1010u64;
x <<= &2u32;
assert_eq!(x, 0b101000u64);
}
// test ShrAssign
{
let mut x = 0b1010u64;
x >>= &2i16;
assert_eq!(x, 0b10u64);
}
}