tests/matches.rs

   1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution.
   3 //
   4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   7 // option. This file may not be copied, modified, or distributed
   8 // except according to those terms.
   9
  10
  11 #![feature(rustc_private)]
  12
  13 extern crate clippy_lints;
  14 extern crate syntax;
  15 use std::collections::Bound;
  16
  17 #[test]
  18 fn test_overlapping() {
  19     use clippy_lints::matches::overlapping;
  20     use crate::syntax::source_map::DUMMY_SP;
  21
  22     let sp = |s, e| clippy_lints::matches::SpannedRange {
  23         span: DUMMY_SP,
  24         node: (s, e),
  25     };
  26
  27     assert_eq!(None, overlapping::<u8>(&[]));
  28     assert_eq!(None, overlapping(&[sp(1, Bound::Included(4))]));
  29     assert_eq!(
  30         None,
  31         overlapping(&[sp(1, Bound::Included(4)), sp(5, Bound::Included(6))])
  32     );
  33     assert_eq!(
  34         None,
  35         overlapping(&[
  36             sp(1, Bound::Included(4)),
  37             sp(5, Bound::Included(6)),
  38             sp(10, Bound::Included(11))
  39         ],)
  40     );
  41     assert_eq!(
  42         Some((&sp(1, Bound::Included(4)), &sp(3, Bound::Included(6)))),
  43         overlapping(&[sp(1, Bound::Included(4)), sp(3, Bound::Included(6))])
  44     );
  45     assert_eq!(
  46         Some((&sp(5, Bound::Included(6)), &sp(6, Bound::Included(11)))),
  47         overlapping(&[
  48             sp(1, Bound::Included(4)),
  49             sp(5, Bound::Included(6)),
  50             sp(6, Bound::Included(11))
  51         ],)
  52     );
  53 }