projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 17df50a5 XL |
1 | 1| |// This demonstrated Issue #84561: function-like macros produce unintuitive coverage results. |
| 2 | 2| | | |
| 3 | 3| |// expect-exit-status-101 | |
| 4 | 4| 21|#[derive(PartialEq, Eq)] | |
| 5 | ------------------ | |
| 6 | | <issue_84561::Foo as core::cmp::PartialEq>::eq: | |
| 7 | | 4| 21|#[derive(PartialEq, Eq)] | |
| 8 | ------------------ | |
| 9 | | Unexecuted instantiation: <issue_84561::Foo as core::cmp::PartialEq>::ne | |
| 10 | ------------------ | |
| 11 | 5| |struct Foo(u32); | |
| 12 | 6| 1|fn test3() { | |
| 13 | 7| 1| let is_true = std::env::args().len() == 1; | |
| 14 | 8| 1| let bar = Foo(1); | |
| 15 | 9| 1| assert_eq!(bar, Foo(1)); | |
| 16 | 10| 1| let baz = Foo(0); | |
| 17 | 11| 1| assert_ne!(baz, Foo(1)); | |
| 18 | 12| 1| println!("{:?}", Foo(1)); | |
| 19 | 13| 1| println!("{:?}", bar); | |
| 20 | 14| 1| println!("{:?}", baz); | |
| 21 | 15| 1| | |
| 22 | 16| 1| assert_eq!(Foo(1), Foo(1)); | |
| 23 | 17| 1| assert_ne!(Foo(0), Foo(1)); | |
| 24 | 18| 1| assert_eq!(Foo(2), Foo(2)); | |
| 25 | 19| 1| let bar = Foo(0); | |
| 26 | 20| 1| assert_ne!(bar, Foo(3)); | |
| 27 | 21| 1| assert_ne!(Foo(0), Foo(4)); | |
| 28 | 22| 1| assert_eq!(Foo(3), Foo(3), "with a message"); | |
| 29 | ^0 | |
| 30 | 23| 1| println!("{:?}", bar); | |
| 31 | 24| 1| println!("{:?}", Foo(1)); | |
| 32 | 25| 1| | |
| 33 | 26| 1| assert_ne!(Foo(0), Foo(5), "{}", if is_true { "true message" } else { "false message" }); | |
| c295e0f8 | 34 | ^0 ^0 ^0 |
| 17df50a5 XL |
35 | 27| 1| assert_ne!( |
| 36 | 28| | Foo(0) | |
| 37 | 29| | , | |
| 38 | 30| | Foo(5) | |
| 39 | 31| | , | |
| 40 | 32| 0| "{}" | |
| c295e0f8 XL |
41 | 33| 0| , |
| 42 | 34| 0| if | |
| 17df50a5 XL |
43 | 35| 0| is_true |
| 44 | 36| | { | |
| 45 | 37| 0| "true message" | |
| 46 | 38| | } else { | |
| 47 | 39| 0| "false message" | |
| 48 | 40| | } | |
| 49 | 41| | ); | |
| 50 | 42| | | |
| 51 | 43| 1| let is_true = std::env::args().len() == 1; | |
| 52 | 44| 1| | |
| 53 | 45| 1| assert_eq!( | |
| 54 | 46| 1| Foo(1), | |
| 55 | 47| 1| Foo(1) | |
| 56 | 48| 1| ); | |
| 57 | 49| 1| assert_ne!( | |
| 58 | 50| 1| Foo(0), | |
| 59 | 51| 1| Foo(1) | |
| 60 | 52| 1| ); | |
| 61 | 53| 1| assert_eq!( | |
| 62 | 54| 1| Foo(2), | |
| 63 | 55| 1| Foo(2) | |
| 64 | 56| 1| ); | |
| 65 | 57| 1| let bar = Foo(1); | |
| 66 | 58| 1| assert_ne!( | |
| 67 | 59| 1| bar, | |
| 68 | 60| 1| Foo(3) | |
| 69 | 61| 1| ); | |
| 70 | 62| 1| if is_true { | |
| 71 | 63| 1| assert_ne!( | |
| 72 | 64| 1| Foo(0), | |
| 73 | 65| 1| Foo(4) | |
| 74 | 66| 1| ); | |
| 75 | 67| | } else { | |
| 76 | 68| 0| assert_eq!( | |
| 77 | 69| 0| Foo(3), | |
| 78 | 70| 0| Foo(3) | |
| 79 | 71| 0| ); | |
| 80 | 72| | } | |
| 81 | 73| 1| if is_true { | |
| 82 | 74| 1| assert_ne!( | |
| 83 | 75| | Foo(0), | |
| 84 | 76| | Foo(4), | |
| 85 | 77| 0| "with a message" | |
| 86 | 78| | ); | |
| 87 | 79| | } else { | |
| 88 | 80| 0| assert_eq!( | |
| 89 | 81| | Foo(3), | |
| 90 | 82| | Foo(3), | |
| 91 | 83| 0| "with a message" | |
| 92 | 84| | ); | |
| 93 | 85| | } | |
| 94 | 86| 1| assert_ne!( | |
| 95 | 87| 1| if is_true { | |
| 96 | 88| 1| Foo(0) | |
| 97 | 89| | } else { | |
| 98 | 90| 0| Foo(1) | |
| 99 | 91| | }, | |
| 100 | 92| | Foo(5) | |
| 101 | 93| | ); | |
| 102 | 94| 1| assert_ne!( | |
| 103 | 95| 1| Foo(5), | |
| 104 | 96| 1| if is_true { | |
| 105 | 97| 1| Foo(0) | |
| 106 | 98| | } else { | |
| 107 | 99| 0| Foo(1) | |
| 108 | 100| | } | |
| 109 | 101| | ); | |
| 110 | 102| 1| assert_ne!( | |
| 111 | 103| 1| if is_true { | |
| 112 | 104| 1| assert_eq!( | |
| 113 | 105| 1| Foo(3), | |
| 114 | 106| 1| Foo(3) | |
| 115 | 107| 1| ); | |
| 116 | 108| 1| Foo(0) | |
| 117 | 109| | } else { | |
| 118 | 110| 0| assert_ne!( | |
| 119 | 111| 0| if is_true { | |
| 120 | 112| 0| Foo(0) | |
| 121 | 113| | } else { | |
| 122 | 114| 0| Foo(1) | |
| 123 | 115| | }, | |
| 124 | 116| | Foo(5) | |
| 125 | 117| | ); | |
| 126 | 118| 0| Foo(1) | |
| 127 | 119| | }, | |
| 128 | 120| | Foo(5), | |
| 129 | 121| 0| "with a message" | |
| 130 | 122| | ); | |
| 131 | 123| 1| assert_eq!( | |
| 132 | 124| | Foo(1), | |
| 133 | 125| | Foo(3), | |
| 134 | 126| 1| "this assert should fail" | |
| 135 | 127| | ); | |
| 136 | 128| 0| assert_eq!( | |
| 137 | 129| | Foo(3), | |
| 138 | 130| | Foo(3), | |
| 139 | 131| 0| "this assert should not be reached" | |
| 140 | 132| | ); | |
| 141 | 133| 0|} | |
| 142 | 134| | | |
| 143 | 135| |impl std::fmt::Debug for Foo { | |
| 144 | 136| | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | |
| 145 | 137| 7| write!(f, "try and succeed")?; | |
| 146 | ^0 | |
| 147 | 138| 7| Ok(()) | |
| 148 | 139| 7| } | |
| 149 | 140| |} | |
| 150 | 141| | | |
| 151 | 142| |static mut DEBUG_LEVEL_ENABLED: bool = false; | |
| 152 | 143| | | |
| 153 | 144| |macro_rules! debug { | |
| 154 | 145| | ($($arg:tt)+) => ( | |
| 155 | 146| | if unsafe { DEBUG_LEVEL_ENABLED } { | |
| 156 | 147| | println!($($arg)+); | |
| 157 | 148| | } | |
| 158 | 149| | ); | |
| 159 | 150| |} | |
| 160 | 151| | | |
| 161 | 152| 1|fn test1() { | |
| 162 | 153| 1| debug!("debug is enabled"); | |
| 163 | ^0 | |
| 164 | 154| 1| debug!("debug is enabled"); | |
| 165 | ^0 | |
| 166 | 155| 1| let _ = 0; | |
| 167 | 156| 1| debug!("debug is enabled"); | |
| 168 | ^0 | |
| 169 | 157| 1| unsafe { | |
| 170 | 158| 1| DEBUG_LEVEL_ENABLED = true; | |
| 171 | 159| 1| } | |
| 172 | 160| 1| debug!("debug is enabled"); | |
| 173 | 161| 1|} | |
| 174 | 162| | | |
| 175 | 163| |macro_rules! call_debug { | |
| 176 | 164| | ($($arg:tt)+) => ( | |
| 177 | 165| 1| fn call_print(s: &str) { | |
| 178 | 166| 1| print!("{}", s); | |
| 179 | 167| 1| } | |
| 180 | 168| | | |
| 181 | 169| | call_print("called from call_debug: "); | |
| 182 | 170| | debug!($($arg)+); | |
| 183 | 171| | ); | |
| 184 | 172| |} | |
| 185 | 173| | | |
| 186 | 174| 1|fn test2() { | |
| 187 | 175| 1| call_debug!("debug is enabled"); | |
| 188 | 176| 1|} | |
| 189 | 177| | | |
| 190 | 178| 1|fn main() { | |
| 191 | 179| 1| test1(); | |
| 192 | 180| 1| test2(); | |
| 193 | 181| 1| test3(); | |
| 194 | 182| 1|} | |
| 195 |