projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| f20569fa | 1 | // run-rustfix |
| c295e0f8 | 2 | #![allow(clippy::assertions_on_constants, clippy::equatable_if_let)] |
| f20569fa XL |
3 | |
| 4 | #[rustfmt::skip] | |
| 5 | #[warn(clippy::collapsible_if)] | |
| 6 | fn main() { | |
| 7 | let x = "hello"; | |
| 8 | let y = "world"; | |
| 9 | if x == "hello" && y == "world" { | |
| 10 | println!("Hello world!"); | |
| 11 | } | |
| 12 | ||
| 13 | if (x == "hello" || x == "world") && (y == "world" || y == "hello") { | |
| 14 | println!("Hello world!"); | |
| 15 | } | |
| 16 | ||
| 17 | if x == "hello" && x == "world" && (y == "world" || y == "hello") { | |
| 18 | println!("Hello world!"); | |
| 19 | } | |
| 20 | ||
| 21 | if (x == "hello" || x == "world") && y == "world" && y == "hello" { | |
| 22 | println!("Hello world!"); | |
| 23 | } | |
| 24 | ||
| 25 | if x == "hello" && x == "world" && y == "world" && y == "hello" { | |
| 26 | println!("Hello world!"); | |
| 27 | } | |
| 28 | ||
| 29 | if 42 == 1337 && 'a' != 'A' { | |
| 30 | println!("world!") | |
| 31 | } | |
| 32 | ||
| 33 | // Works because any if with an else statement cannot be collapsed. | |
| 34 | if x == "hello" { | |
| 35 | if y == "world" { | |
| 36 | println!("Hello world!"); | |
| 37 | } | |
| 38 | } else { | |
| 39 | println!("Not Hello world"); | |
| 40 | } | |
| 41 | ||
| 42 | if x == "hello" { | |
| 43 | if y == "world" { | |
| 44 | println!("Hello world!"); | |
| 45 | } else { | |
| 46 | println!("Hello something else"); | |
| 47 | } | |
| 48 | } | |
| 49 | ||
| 50 | if x == "hello" { | |
| 51 | print!("Hello "); | |
| 52 | if y == "world" { | |
| 53 | println!("world!") | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | if true { | |
| 58 | } else { | |
| 59 | assert!(true); // assert! is just an `if` | |
| 60 | } | |
| 61 | ||
| 62 | ||
| 63 | // The following tests check for the fix of https://github.com/rust-lang/rust-clippy/issues/798 | |
| 64 | if x == "hello" {// Not collapsible | |
| 65 | if y == "world" { | |
| 66 | println!("Hello world!"); | |
| 67 | } | |
| 68 | } | |
| 69 | ||
| 70 | if x == "hello" { // Not collapsible | |
| 71 | if y == "world" { | |
| 72 | println!("Hello world!"); | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | if x == "hello" { | |
| 77 | // Not collapsible | |
| 78 | if y == "world" { | |
| 79 | println!("Hello world!"); | |
| 80 | } | |
| 81 | } | |
| 82 | ||
| 83 | if x == "hello" && y == "world" { // Collapsible | |
| 84 | println!("Hello world!"); | |
| 85 | } | |
| 86 | ||
| 87 | if x == "hello" { | |
| 88 | print!("Hello "); | |
| 89 | } else { | |
| 90 | // Not collapsible | |
| 91 | if y == "world" { | |
| 92 | println!("world!") | |
| 93 | } | |
| 94 | } | |
| 95 | ||
| 96 | if x == "hello" { | |
| 97 | print!("Hello "); | |
| 98 | } else { | |
| 99 | // Not collapsible | |
| 100 | if let Some(42) = Some(42) { | |
| 101 | println!("world!") | |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 | if x == "hello" { | |
| 106 | /* Not collapsible */ | |
| 107 | if y == "world" { | |
| 108 | println!("Hello world!"); | |
| 109 | } | |
| 110 | } | |
| 111 | ||
| 112 | if x == "hello" { /* Not collapsible */ | |
| 113 | if y == "world" { | |
| 114 | println!("Hello world!"); | |
| 115 | } | |
| 116 | } | |
| 117 | ||
| 118 | // Test behavior wrt. `let_chains`. | |
| 119 | // None of the cases below should be collapsed. | |
| 120 | fn truth() -> bool { true } | |
| 121 | ||
| 122 | // Prefix: | |
| 123 | if let 0 = 1 { | |
| 124 | if truth() {} | |
| 125 | } | |
| 126 | ||
| 127 | // Suffix: | |
| 128 | if truth() { | |
| 129 | if let 0 = 1 {} | |
| 130 | } | |
| 131 | ||
| 132 | // Midfix: | |
| 133 | if truth() { | |
| 134 | if let 0 = 1 { | |
| 135 | if truth() {} | |
| 136 | } | |
| 137 | } | |
| 138 | ||
| 139 | // Fix #5962 | |
| 140 | if matches!(true, true) && matches!(true, true) {} | |
| 141 | ||
| 142 | if true { | |
| 143 | #[cfg(not(teehee))] | |
| 144 | if true { | |
| 145 | println!("Hello world!"); | |
| 146 | } | |
| 147 | } | |
| 148 | } |