1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
13 // compile-flags: -D unused-comparisons
18 while i >= 0 { //~ ERROR comparison is useless due to type limits
28 128 > bar() //~ ERROR comparison is useless due to type limits
29 //~^ WARNING literal out of range for its type
34 let _ = u > 255; //~ ERROR comparison is useless due to type limits
35 let _ = 255 < u; //~ ERROR comparison is useless due to type limits
36 let _ = u < 0; //~ ERROR comparison is useless due to type limits
37 let _ = 0 > u; //~ ERROR comparison is useless due to type limits
38 let _ = u <= 255; //~ ERROR comparison is useless due to type limits
39 let _ = 255 >= u; //~ ERROR comparison is useless due to type limits
40 let _ = u >= 0; //~ ERROR comparison is useless due to type limits
41 let _ = 0 <= u; //~ ERROR comparison is useless due to type limits
46 while 200 != i { //~ ERROR comparison is useless due to type limits
47 //~^ WARNING literal out of range for its type
53 let i = -23us; //~ WARNING negation of unsigned int literal may be unintentional
54 //~^ WARNING unused variable
59 let j = -i; //~ WARNING negation of unsigned int variable may be unintentional
60 //~^ WARNING unused variable