rust/src/test/run-pass/i128.rs

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2016-08-23 21:59:16 +00:00
fn main() {
let x: i128 = -1;
assert_eq!(0, !x);
let y: i128 = -2;
assert_eq!(!1, y);
let z: i128 = 0xABCD_EF;
assert_eq!(-z * -z * -z * -z, 0x33EE_0E2A_54E2_59DA_A0E7_8E41);
assert_eq!(-z + -z + -z + -z, -0x2AF3_7BC);
let k: i128 = -0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
assert_eq!(k + k, -0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420);
assert_eq!(0, k - k);
assert_eq!(-0x1234_5678_9ABC_DEFF_EDCB_A987_5A86_421, k + z);
assert_eq!(-0x1000_0000_0000_0000_0000_0000_0000_000,
k + 0x234_5678_9ABC_DEFF_EDCB_A987_6543_210);
assert_eq!(-0x6EF5_DE4C_D3BC_2AAA_3BB4_CC5D_D6EE_8, k / 42);
assert_eq!(-k, k / -1);
assert_eq!(-0x91A2_B3C4_D5E6_F8, k >> 65);
assert_eq!(-0xFDB9_7530_ECA8_6420_0000_0000_0000_0000, k << 65);
assert!(k < z);
assert!(y > k);
assert!(y < x);
assert_eq!(x as i64, -1);
assert_eq!(z as i64, 0xABCD_EF);
assert_eq!(k as i64, -0xFEDC_BA98_7654_3210);
assert_eq!(k as u128, 0xFEDC_BA98_7654_3210_0123_4567_89AB_CDF0);
assert_eq!(-k as u128, 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210);
// formatting
let j: i128 = -(1 << 67);
assert_eq!("-147573952589676412928", format!("{}", j));
assert_eq!("fffffffffffffff80000000000000000", format!("{:x}", j));
assert_eq!("3777777777777777777760000000000000000000000", format!("{:o}", j));
assert_eq!("1111111111111111111111111111111111111111111111111111111111111\
0000000000000000000000000000000000000000000000000000000000000000000",
format!("{:b}", j));
assert_eq!("-147573952589676412928", format!("{:?}", j));
// common traits
x.clone();
}