134 lines
3.5 KiB
Rust
134 lines
3.5 KiB
Rust
#![feature(custom_inner_attributes)]
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#![rustfmt::skip]
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#![warn(clippy::debug_assert_with_mut_call)]
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#![allow(clippy::redundant_closure_call)]
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struct S;
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impl S {
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fn bool_self_ref(&self) -> bool { false }
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fn bool_self_mut(&mut self) -> bool { false }
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fn bool_self_ref_arg_ref(&self, _: &u32) -> bool { false }
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fn bool_self_ref_arg_mut(&self, _: &mut u32) -> bool { false }
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fn bool_self_mut_arg_ref(&mut self, _: &u32) -> bool { false }
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fn bool_self_mut_arg_mut(&mut self, _: &mut u32) -> bool { false }
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fn u32_self_ref(&self) -> u32 { 0 }
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fn u32_self_mut(&mut self) -> u32 { 0 }
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fn u32_self_ref_arg_ref(&self, _: &u32) -> u32 { 0 }
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fn u32_self_ref_arg_mut(&self, _: &mut u32) -> u32 { 0 }
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fn u32_self_mut_arg_ref(&mut self, _: &u32) -> u32 { 0 }
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fn u32_self_mut_arg_mut(&mut self, _: &mut u32) -> u32 { 0 }
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}
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fn bool_ref(_: &u32) -> bool { false }
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fn bool_mut(_: &mut u32) -> bool { false }
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fn u32_ref(_: &u32) -> u32 { 0 }
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fn u32_mut(_: &mut u32) -> u32 { 0 }
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fn func_non_mutable() {
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debug_assert!(bool_ref(&3));
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debug_assert!(!bool_ref(&3));
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debug_assert_eq!(0, u32_ref(&3));
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debug_assert_eq!(u32_ref(&3), 0);
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debug_assert_ne!(1, u32_ref(&3));
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debug_assert_ne!(u32_ref(&3), 1);
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}
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fn func_mutable() {
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debug_assert!(bool_mut(&mut 3));
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debug_assert!(!bool_mut(&mut 3));
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debug_assert_eq!(0, u32_mut(&mut 3));
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debug_assert_eq!(u32_mut(&mut 3), 0);
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debug_assert_ne!(1, u32_mut(&mut 3));
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debug_assert_ne!(u32_mut(&mut 3), 1);
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}
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fn method_non_mutable() {
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debug_assert!(S.bool_self_ref());
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debug_assert!(S.bool_self_ref_arg_ref(&3));
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debug_assert_eq!(S.u32_self_ref(), 0);
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debug_assert_eq!(S.u32_self_ref_arg_ref(&3), 0);
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debug_assert_ne!(S.u32_self_ref(), 1);
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debug_assert_ne!(S.u32_self_ref_arg_ref(&3), 1);
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}
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fn method_mutable() {
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debug_assert!(S.bool_self_mut());
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debug_assert!(!S.bool_self_mut());
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debug_assert!(S.bool_self_ref_arg_mut(&mut 3));
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debug_assert!(S.bool_self_mut_arg_ref(&3));
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debug_assert!(S.bool_self_mut_arg_mut(&mut 3));
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debug_assert_eq!(S.u32_self_mut(), 0);
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debug_assert_eq!(S.u32_self_mut_arg_ref(&3), 0);
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debug_assert_eq!(S.u32_self_ref_arg_mut(&mut 3), 0);
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debug_assert_eq!(S.u32_self_mut_arg_mut(&mut 3), 0);
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debug_assert_ne!(S.u32_self_mut(), 1);
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debug_assert_ne!(S.u32_self_mut_arg_ref(&3), 1);
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debug_assert_ne!(S.u32_self_ref_arg_mut(&mut 3), 1);
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debug_assert_ne!(S.u32_self_mut_arg_mut(&mut 3), 1);
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}
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fn misc() {
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// with variable
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let mut v: Vec<u32> = vec![1, 2, 3, 4];
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debug_assert_eq!(v.get(0), Some(&1));
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debug_assert_ne!(v[0], 2);
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debug_assert_eq!(v.pop(), Some(1));
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debug_assert_ne!(Some(3), v.pop());
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let a = &mut 3;
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debug_assert!(bool_mut(a));
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// nested
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debug_assert!(!(bool_ref(&u32_mut(&mut 3))));
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// chained
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debug_assert_eq!(v.pop().unwrap(), 3);
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// format args
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debug_assert!(bool_ref(&3), "w/o format");
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debug_assert!(bool_mut(&mut 3), "w/o format");
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debug_assert!(bool_ref(&3), "{} format", "w/");
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debug_assert!(bool_mut(&mut 3), "{} format", "w/");
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// sub block
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let mut x = 42_u32;
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debug_assert!({
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bool_mut(&mut x);
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x > 10
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});
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// closures
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debug_assert!((|| {
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let mut x = 42;
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bool_mut(&mut x);
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x > 10
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})());
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}
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async fn debug_await() {
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debug_assert!(async {
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true
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}.await);
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}
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fn main() {
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func_non_mutable();
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func_mutable();
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method_non_mutable();
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method_mutable();
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misc();
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debug_await();
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}
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