src/tools/clippy/tests/needless_continue_helpers.rs

   1 // Tests for the various helper functions used by the needless_continue
   2 // lint that don't belong in utils.
   3 extern crate clippy_lints;
   4 use clippy_lints::needless_continue::{erode_from_back, erode_block, erode_from_front};
   5
   6 #[test]
   7 #[cfg_attr(rustfmt, rustfmt_skip)]
   8 fn test_erode_from_back() {
   9     let input = "\
  10 {
  11     let x = 5;
  12     let y = format!(\"{}\", 42);
  13 }";
  14
  15     let expected = "\
  16 {
  17     let x = 5;
  18     let y = format!(\"{}\", 42);";
  19
  20     let got = erode_from_back(input);
  21     assert_eq!(expected, got);
  22 }
  23
  24 #[test]
  25 #[cfg_attr(rustfmt, rustfmt_skip)]
  26 fn test_erode_from_back_no_brace() {
  27     let input = "\
  28 let x = 5;
  29 let y = something();
  30 ";
  31     let expected = "";
  32     let got = erode_from_back(input);
  33     assert_eq!(expected, got);
  34 }
  35
  36 #[test]
  37 #[cfg_attr(rustfmt, rustfmt_skip)]
  38 fn test_erode_from_front() {
  39     let input = "
  40         {
  41             something();
  42             inside_a_block();
  43         }
  44     ";
  45     let expected =
  46 "            something();
  47             inside_a_block();
  48         }
  49     ";
  50     let got = erode_from_front(input);
  51     println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
  52     assert_eq!(expected, got);
  53 }
  54
  55 #[test]
  56 #[cfg_attr(rustfmt, rustfmt_skip)]
  57 fn test_erode_from_front_no_brace() {
  58     let input = "
  59             something();
  60             inside_a_block();
  61     ";
  62     let expected =
  63 "something();
  64             inside_a_block();
  65     ";
  66     let got = erode_from_front(input);
  67     println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
  68     assert_eq!(expected, got);
  69 }
  70
  71
  72 #[test]
  73 #[cfg_attr(rustfmt, rustfmt_skip)]
  74 fn test_erode_block() {
  75
  76     let input = "
  77         {
  78             something();
  79             inside_a_block();
  80         }
  81     ";
  82     let expected =
  83 "            something();
  84             inside_a_block();";
  85     let got = erode_block(input);
  86     println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
  87     assert_eq!(expected, got);
  88 }