rust-clippy/tests/ui/case_sensitive_file_extension_comparisons.fixed

66 lines
2.2 KiB
Rust

#![warn(clippy::case_sensitive_file_extension_comparisons)]
use std::string::String;
struct TestStruct;
impl TestStruct {
fn ends_with(self, _arg: &str) {}
}
#[allow(dead_code)]
fn is_rust_file(filename: &str) -> bool {
std::path::Path::new(filename)
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("rs"))
}
fn main() {
// std::string::String and &str should trigger the lint failure with .ext12
let _ = std::path::Path::new(&String::new())
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
let _ = std::path::Path::new("str")
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
// The fixup should preserve the indentation level
{
let _ = std::path::Path::new("str")
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("ext12"));
}
// The test struct should not trigger the lint failure with .ext12
TestStruct {}.ends_with(".ext12");
// std::string::String and &str should trigger the lint failure with .EXT12
let _ = std::path::Path::new(&String::new())
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("EXT12"));
let _ = std::path::Path::new("str")
.extension()
.map_or(false, |ext| ext.eq_ignore_ascii_case("EXT12"));
// Should not trigger the lint failure because of the calls to to_lowercase and to_uppercase
let _ = String::new().to_lowercase().ends_with(".EXT12");
let _ = String::new().to_uppercase().ends_with(".EXT12");
// The test struct should not trigger the lint failure with .EXT12
TestStruct {}.ends_with(".EXT12");
// Should not trigger the lint failure with .eXT12
let _ = String::new().ends_with(".eXT12");
let _ = "str".ends_with(".eXT12");
TestStruct {}.ends_with(".eXT12");
// Should not trigger the lint failure with .EXT123 (too long)
let _ = String::new().ends_with(".EXT123");
let _ = "str".ends_with(".EXT123");
TestStruct {}.ends_with(".EXT123");
// Shouldn't fail if it doesn't start with a dot
let _ = String::new().ends_with("a.ext");
let _ = "str".ends_with("a.extA");
TestStruct {}.ends_with("a.ext");
}