70 lines
2.1 KiB
Rust
70 lines
2.1 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.
|
||
|
|
|
||
|
|
#![warn(clippy::expect_fun_call)]
|
||
|
|
#![allow(clippy::useless_format)]
|
||
|
|
|
||
|
|
/// Checks implementation of the `EXPECT_FUN_CALL` lint
|
||
|
|
|
||
|
|
fn expect_fun_call() {
|
||
|
|
struct Foo;
|
||
|
|
|
||
|
|
impl Foo {
|
||
|
|
fn new() -> Self { Foo }
|
||
|
|
|
||
|
|
fn expect(&self, msg: &str) {
|
||
|
|
panic!("{}", msg)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
let with_some = Some("value");
|
||
|
|
with_some.expect("error");
|
||
|
|
|
||
|
|
let with_none: Option<i32> = None;
|
||
|
|
with_none.expect("error");
|
||
|
|
|
||
|
|
let error_code = 123_i32;
|
||
|
|
let with_none_and_format: Option<i32> = None;
|
||
|
|
with_none_and_format.expect(&format!("Error {}: fake error", error_code));
|
||
|
|
|
||
|
|
let with_none_and_as_str: Option<i32> = None;
|
||
|
|
with_none_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
|
||
|
|
|
||
|
|
let with_ok: Result<(), ()> = Ok(());
|
||
|
|
with_ok.expect("error");
|
||
|
|
|
||
|
|
let with_err: Result<(), ()> = Err(());
|
||
|
|
with_err.expect("error");
|
||
|
|
|
||
|
|
let error_code = 123_i32;
|
||
|
|
let with_err_and_format: Result<(), ()> = Err(());
|
||
|
|
with_err_and_format.expect(&format!("Error {}: fake error", error_code));
|
||
|
|
|
||
|
|
let with_err_and_as_str: Result<(), ()> = Err(());
|
||
|
|
with_err_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
|
||
|
|
|
||
|
|
let with_dummy_type = Foo::new();
|
||
|
|
with_dummy_type.expect("another test string");
|
||
|
|
|
||
|
|
let with_dummy_type_and_format = Foo::new();
|
||
|
|
with_dummy_type_and_format.expect(&format!("Error {}: fake error", error_code));
|
||
|
|
|
||
|
|
let with_dummy_type_and_as_str = Foo::new();
|
||
|
|
with_dummy_type_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
|
||
|
|
|
||
|
|
//Issue #2979 - this should not lint
|
||
|
|
let msg = "bar";
|
||
|
|
Some("foo").expect(msg);
|
||
|
|
|
||
|
|
Some("foo").expect({ &format!("error") });
|
||
|
|
Some("foo").expect(format!("error").as_ref());
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|