rust/src/test/run-pass/big-literals.rs
Alex Crichton 042c8ae40e syntax: Fix printing INT64_MIN
Integers are always parsed as a u64 in libsyntax, but they're stored as i64. The
parser and pretty printer both printed an i64 instead of u64, sometimes
introducing an extra negative sign.
2014-05-13 17:24:08 -07:00

21 lines
874 B
Rust

// Copyright 2012-2014 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.
pub fn main() {
assert_eq!(0xffffffffu32, (-1 as u32));
assert_eq!(4294967295u32, (-1 as u32));
assert_eq!(0xffffffffffffffffu64, (-1 as u64));
assert_eq!(18446744073709551615u64, (-1 as u64));
assert_eq!(-2147483648i32 - 1i32, 2147483647i32);
assert_eq!(-9223372036854775808i64 - 1i64, 9223372036854775807i64);
assert_eq!(-9223372036854775808 - 1, 9223372036854775807);
}