i128.rs

// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// ignore-stage0
// ignore-stage1
#![feature(i128_type)]

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();
}