mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-14 17:07:17 +00:00
101 lines
2.9 KiB
Rust
101 lines
2.9 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(unused)]
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#![warn(clippy::invalid_regex, clippy::trivial_regex, clippy::regex_macro)]
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extern crate regex;
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use regex::{Regex, RegexSet, RegexBuilder};
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use regex::bytes::{Regex as BRegex, RegexSet as BRegexSet, RegexBuilder as BRegexBuilder};
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const OPENING_PAREN: &str = "(";
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const NOT_A_REAL_REGEX: &str = "foobar";
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fn syntax_error() {
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let pipe_in_wrong_position = Regex::new("|");
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let pipe_in_wrong_position_builder = RegexBuilder::new("|");
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let wrong_char_ranice = Regex::new("[z-a]");
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let some_unicode = Regex::new("[é-è]");
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let some_regex = Regex::new(OPENING_PAREN);
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let binary_pipe_in_wrong_position = BRegex::new("|");
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let some_binary_regex = BRegex::new(OPENING_PAREN);
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let some_binary_regex_builder = BRegexBuilder::new(OPENING_PAREN);
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let closing_paren = ")";
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let not_linted = Regex::new(closing_paren);
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let set = RegexSet::new(&[
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r"[a-z]+@[a-z]+\.(com|org|net)",
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r"[a-z]+\.(com|org|net)",
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]);
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let bset = BRegexSet::new(&[
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r"[a-z]+@[a-z]+\.(com|org|net)",
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r"[a-z]+\.(com|org|net)",
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r".", // regression test
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]);
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let set_error = RegexSet::new(&[
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OPENING_PAREN,
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r"[a-z]+\.(com|org|net)",
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]);
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let bset_error = BRegexSet::new(&[
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OPENING_PAREN,
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r"[a-z]+\.(com|org|net)",
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]);
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let raw_string_error = Regex::new(r"[...\/...]");
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let raw_string_error = Regex::new(r#"[...\/...]"#);
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}
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fn trivial_regex() {
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let trivial_eq = Regex::new("^foobar$");
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let trivial_eq_builder = RegexBuilder::new("^foobar$");
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let trivial_starts_with = Regex::new("^foobar");
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let trivial_ends_with = Regex::new("foobar$");
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let trivial_contains = Regex::new("foobar");
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let trivial_contains = Regex::new(NOT_A_REAL_REGEX);
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let trivial_backslash = Regex::new("a\\.b");
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// unlikely corner cases
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let trivial_empty = Regex::new("");
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let trivial_empty = Regex::new("^");
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let trivial_empty = Regex::new("^$");
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let binary_trivial_empty = BRegex::new("^$");
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// non-trivial regexes
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let non_trivial_dot = Regex::new("a.b");
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let non_trivial_dot_builder = RegexBuilder::new("a.b");
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let non_trivial_eq = Regex::new("^foo|bar$");
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let non_trivial_starts_with = Regex::new("^foo|bar");
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let non_trivial_ends_with = Regex::new("^foo|bar");
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let non_trivial_ends_with = Regex::new("foo|bar");
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let non_trivial_binary = BRegex::new("foo|bar");
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let non_trivial_binary_builder = BRegexBuilder::new("foo|bar");
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}
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fn main() {
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syntax_error();
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trivial_regex();
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}
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