rust-clippy/tests/needless_continue_helpers.rs
2018-12-29 17:48:21 +01:00

96 lines
2.2 KiB
Rust

// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.
// Tests for the various helper functions used by the needless_continue
// lint that don't belong in utils.
use clippy_lints::needless_continue::{erode_block, erode_from_back, erode_from_front};
#[test]
#[rustfmt::skip]
fn test_erode_from_back() {
let input = "\
{
let x = 5;
let y = format!(\"{}\", 42);
}";
let expected = "\
{
let x = 5;
let y = format!(\"{}\", 42);";
let got = erode_from_back(input);
assert_eq!(expected, got);
}
#[test]
#[rustfmt::skip]
fn test_erode_from_back_no_brace() {
let input = "\
let x = 5;
let y = something();
";
let expected = "";
let got = erode_from_back(input);
assert_eq!(expected, got);
}
#[test]
#[rustfmt::skip]
fn test_erode_from_front() {
let input = "
{
something();
inside_a_block();
}
";
let expected =
" something();
inside_a_block();
}
";
let got = erode_from_front(input);
println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
assert_eq!(expected, got);
}
#[test]
#[rustfmt::skip]
fn test_erode_from_front_no_brace() {
let input = "
something();
inside_a_block();
";
let expected =
"something();
inside_a_block();
";
let got = erode_from_front(input);
println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
assert_eq!(expected, got);
}
#[test]
#[rustfmt::skip]
fn test_erode_block() {
let input = "
{
something();
inside_a_block();
}
";
let expected =
" something();
inside_a_block();";
let got = erode_block(input);
println!("input: {}\nexpected:\n{}\ngot:\n{}", input, expected, got);
assert_eq!(expected, got);
}