1 int_module!(i32, i32);
2
3 #[test]
test_arith_operation()4 fn test_arith_operation() {
5 let a: isize = 10;
6 assert_eq!(a * (a - 1), 90);
7 let i32_a: isize = 10;
8 assert_eq!(i32_a, 10);
9 assert_eq!(i32_a - 10, 0);
10 assert_eq!(i32_a / 10, 1);
11 assert_eq!(i32_a - 20, -10);
12 assert_eq!(i32_a << 10, 10240);
13 assert_eq!(i32_a << 16, 655360);
14 assert_eq!(i32_a * 16, 160);
15 assert_eq!(i32_a * i32_a * i32_a, 1000);
16 assert_eq!(i32_a * i32_a * i32_a * i32_a, 10000);
17 assert_eq!(i32_a * i32_a / i32_a * i32_a, 100);
18 assert_eq!(i32_a * (i32_a - 1) << (2 + i32_a as usize), 368640);
19 let i32_b: isize = 0x10101010;
20 assert_eq!(i32_b + 1 - 1, i32_b);
21 assert_eq!(i32_b << 1, i32_b << 1);
22 assert_eq!(i32_b >> 1, i32_b >> 1);
23 assert_eq!(i32_b & i32_b << 1, 0);
24 assert_eq!(i32_b | i32_b << 1, 0x30303030);
25 let i32_c: isize = 0x10101010;
26 assert_eq!(
27 i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3),
28 i32_c + i32_c * 2 / 3 * 2 + (i32_c - 7 % 3)
29 );
30 }
31