rust/tests/ui/formatting.rs

// 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::all)]
#![allow(unused_variables)]
#![allow(unused_assignments)]
#![allow(clippy::if_same_then_else)]
#![allow(clippy::deref_addrof)]

fn foo() -> bool {
    true
}

fn main() {
    // weird `else if` formatting:
    if foo() {}
    if foo() {}

    let _ = {
        // if as the last expression
        let _ = 0;

        if foo() {}
        if foo() {
        } else {
        }
    };

    let _ = {
        // if in the middle of a block
        if foo() {}
        if foo() {
        } else {
        }

        let _ = 0;
    };

    if foo() {
    } else if foo() {
        // the span of the above error should continue here
    }

    if foo() {
    } else if foo() {
        // the span of the above error should continue here
    }

    // those are ok:
    if foo() {}
    if foo() {}

    if foo() {
    } else if foo() {
    }

    if foo() {
    } else if foo() {
    }

    if foo() {
    } else if foo() {
    }

    // weird op_eq formatting:
    let mut a = 42;
    a = -35;
    a = *&191;

    let mut b = true;
    b = !false;

    // those are ok:
    a = -35;
    a = *&191;
    b = !false;

    // possible missing comma in an array
    let _ = &[
        -1,
        -2,
        -3 // <= no comma here
        -4,
        -5,
        -6,
    ];
    let _ = &[
        -1,
        -2,
        -3 // <= no comma here
        *4,
        -5,
        -6,
    ];

    // those are ok:
    let _ = &[-1, -2, -3, -4, -5, -6];
    let _ = &[-1, -2, -3, -4, -5, -6];
    let _ = &[1 + 2, 3 + 4, 5 + 6];

    // don't lint for bin op without unary equiv
    // issue 3244
    vec![1 / 2];
    // issue 3396
    vec![true | false];
}