From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/anyhow/tests/test_ensure.rs | 698 +++++++++++++++++++++++++++++++++++++ 1 file changed, 698 insertions(+) create mode 100644 vendor/anyhow/tests/test_ensure.rs (limited to 'vendor/anyhow/tests/test_ensure.rs') diff --git a/vendor/anyhow/tests/test_ensure.rs b/vendor/anyhow/tests/test_ensure.rs new file mode 100644 index 000000000..4bb12f9fa --- /dev/null +++ b/vendor/anyhow/tests/test_ensure.rs @@ -0,0 +1,698 @@ +#![allow( + clippy::diverging_sub_expression, + clippy::if_same_then_else, + clippy::ifs_same_cond, + clippy::items_after_statements, + clippy::let_and_return, + clippy::let_underscore_drop, + clippy::logic_bug, + clippy::match_bool, + clippy::never_loop, + clippy::redundant_closure_call, + clippy::redundant_pattern_matching, + clippy::too_many_lines, + clippy::unit_arg, + clippy::while_immutable_condition, + clippy::zero_ptr, + irrefutable_let_patterns +)] + +use anyhow::{anyhow, ensure, Chain, Error, Result}; +use std::fmt::Debug; +use std::iter; +use std::marker::{PhantomData, PhantomData as P}; +use std::ops::Add; +use std::ptr; + +struct S; + +impl Add for S { + type Output = bool; + fn add(self, rhs: T) -> Self::Output { + let _ = rhs; + false + } +} + +trait Trait: Sized { + const V: usize = 0; + fn t(self, i: i32) -> i32 { + i + } +} + +impl Trait for T {} + +#[track_caller] +fn assert_err(result: impl FnOnce() -> Result, expected: &'static str) { + let actual = result().unwrap_err().to_string(); + + // In general different rustc versions will format the interpolated lhs and + // rhs $:expr fragment with insignificant differences in whitespace or + // punctuation, so we check the message in full against nightly and do just + // a cursory test on older toolchains. + if rustversion::cfg!(nightly) && !cfg!(miri) { + assert_eq!(actual, expected); + } else { + assert_eq!(actual.contains(" vs "), expected.contains(" vs ")); + } +} + +#[test] +fn test_recursion() { + // Must not blow the default #[recursion_limit], which is 128. + #[rustfmt::skip] + let test = || Ok(ensure!( + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false | + false | false | false | false | false | false | false | false | false + )); + + test().unwrap_err(); +} + +#[test] +fn test_low_precedence_control_flow() { + #[allow(unreachable_code)] + let test = || { + let val = loop { + // Break has lower precedence than the comparison operators so the + // expression here is `S + (break (1 == 1))`. It would be bad if the + // ensure macro partitioned this input into `(S + break 1) == (1)` + // because that means a different thing than what was written. + ensure!(S + break 1 == 1); + }; + Ok(val) + }; + + assert!(test().unwrap()); +} + +#[test] +fn test_low_precedence_binary_operator() { + // Must not partition as `false == (true && false)`. + let test = || Ok(ensure!(false == true && false)); + assert_err(test, "Condition failed: `false == true && false`"); + + // But outside the root level, it is fine. + let test = || Ok(ensure!(while false == true && false {} < ())); + assert_err( + test, + "Condition failed: `while false == true && false {} < ()` (() vs ())", + ); +} + +#[test] +fn test_closure() { + // Must not partition as `(S + move) || (1 == 1)` by treating move as an + // identifier, nor as `(S + move || 1) == (1)` by misinterpreting the + // closure precedence. + let test = || Ok(ensure!(S + move || 1 == 1)); + assert_err(test, "Condition failed: `S + (move || 1 == 1)`"); + + let test = || Ok(ensure!(S + || 1 == 1)); + assert_err(test, "Condition failed: `S + (|| 1 == 1)`"); + + // Must not partition as `S + ((move | ()) | 1) == 1` by treating those + // pipes as bitwise-or. + let test = || Ok(ensure!(S + move |()| 1 == 1)); + assert_err(test, "Condition failed: `S + (move |()| 1 == 1)`"); + + let test = || Ok(ensure!(S + |()| 1 == 1)); + assert_err(test, "Condition failed: `S + (|()| 1 == 1)`"); +} + +#[test] +fn test_unary() { + let mut x = &1; + let test = || Ok(ensure!(*x == 2)); + assert_err(test, "Condition failed: `*x == 2` (1 vs 2)"); + + let test = || Ok(ensure!(!x == 1)); + assert_err(test, "Condition failed: `!x == 1` (-2 vs 1)"); + + let test = || Ok(ensure!(-x == 1)); + assert_err(test, "Condition failed: `-x == 1` (-1 vs 1)"); + + let test = || Ok(ensure!(&x == &&2)); + assert_err(test, "Condition failed: `&x == &&2` (1 vs 2)"); + + let test = || Ok(ensure!(&mut x == *&&mut &2)); + assert_err(test, "Condition failed: `&mut x == *&&mut &2` (1 vs 2)"); +} + +#[test] +fn test_if() { + #[rustfmt::skip] + let test = || Ok(ensure!(if false {}.t(1) == 2)); + assert_err(test, "Condition failed: `if false {}.t(1) == 2` (1 vs 2)"); + + #[rustfmt::skip] + let test = || Ok(ensure!(if false {} else {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `if false {} else {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(if false {} else if false {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `if false {} else if false {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(if let 1 = 2 {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `if let 1 = 2 {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(if let 1 | 2 = 2 {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `if let 1 | 2 = 2 {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(if let | 1 | 2 = 2 {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `if let 1 | 2 = 2 {}.t(1) == 2` (1 vs 2)", + ); +} + +#[test] +fn test_loop() { + #[rustfmt::skip] + let test = || Ok(ensure!(1 + loop { break 1 } == 1)); + assert_err( + test, + "Condition failed: `1 + loop { break 1 } == 1` (2 vs 1)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(1 + 'a: loop { break 'a 1 } == 1)); + assert_err( + test, + "Condition failed: `1 + 'a: loop { break 'a 1 } == 1` (2 vs 1)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(while false {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `while false {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(while let None = Some(1) {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `while let None = Some(1) {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(for _x in iter::once(0) {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `for _x in iter::once(0) {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(for | _x in iter::once(0) {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `for _x in iter::once(0) {}.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(for true | false in iter::empty() {}.t(1) == 2)); + assert_err( + test, + "Condition failed: `for true | false in iter::empty() {}.t(1) == 2` (1 vs 2)", + ); +} + +#[test] +fn test_match() { + #[rustfmt::skip] + let test = || Ok(ensure!(match 1 == 1 { true => 1, false => 0 } == 2)); + assert_err( + test, + "Condition failed: `match 1 == 1 { true => 1, false => 0, } == 2` (1 vs 2)", + ); +} + +#[test] +fn test_atom() { + let test = || Ok(ensure!([false, false].len() > 3)); + assert_err( + test, + "Condition failed: `[false, false].len() > 3` (2 vs 3)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!({ let x = 1; x } >= 3)); + assert_err(test, "Condition failed: `{ let x = 1; x } >= 3` (1 vs 3)"); + + let test = || Ok(ensure!(S + async { 1 } == true)); + assert_err( + test, + "Condition failed: `S + async { 1 } == true` (false vs true)", + ); + + let test = || Ok(ensure!(S + async move { 1 } == true)); + assert_err( + test, + "Condition failed: `S + async move { 1 } == true` (false vs true)", + ); + + let x = &1; + let test = || Ok(ensure!(S + unsafe { ptr::read(x) } == true)); + assert_err( + test, + "Condition failed: `S + unsafe { ptr::read(x) } == true` (false vs true)", + ); +} + +#[test] +fn test_path() { + let test = || Ok(ensure!(crate::S.t(1) == 2)); + assert_err(test, "Condition failed: `crate::S.t(1) == 2` (1 vs 2)"); + + let test = || Ok(ensure!(::anyhow::Error::root_cause.t(1) == 2)); + assert_err( + test, + "Condition failed: `::anyhow::Error::root_cause.t(1) == 2` (1 vs 2)", + ); + + let test = || Ok(ensure!(Error::msg::<&str>.t(1) == 2)); + assert_err( + test, + "Condition failed: `Error::msg::<&str>.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(Error::msg::<&str,>.t(1) == 2)); + assert_err( + test, + "Condition failed: `Error::msg::<&str>.t(1) == 2` (1 vs 2)", + ); + + let test = || Ok(ensure!(Error::msg::<::Owned>.t(1) == 2)); + assert_err( + test, + "Condition failed: `Error::msg::<::Owned>.t(1) == 2` (1 vs 2)", + ); + + let test = || Ok(ensure!(Chain::<'static>::new.t(1) == 2)); + assert_err( + test, + "Condition failed: `Chain::<'static>::new.t(1) == 2` (1 vs 2)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(Chain::<'static,>::new.t(1) == 2)); + assert_err( + test, + "Condition failed: `Chain::<'static>::new.t(1) == 2` (1 vs 2)", + ); + + fn f() {} + let test = || Ok(ensure!(f::<1>() != ())); + assert_err(test, "Condition failed: `f::<1>() != ()` (() vs ())"); + let test = || Ok(ensure!(f::<-1>() != ())); + assert_err(test, "Condition failed: `f::<-1>() != ()` (() vs ())"); + + fn g() {} + let test = || Ok(ensure!(g::() != ())); + assert_err(test, "Condition failed: `g::() != ()` (() vs ())"); + let test = || Ok(ensure!(g::() != ())); + assert_err(test, "Condition failed: `g::() != ()` (() vs ())"); + + #[derive(PartialOrd, PartialEq, Debug)] + enum E<'a, T> { + #[allow(dead_code)] + T(&'a T), + U, + } + + #[rustfmt::skip] + let test = || Ok(ensure!(E::U::<>>E::U::)); + assert_err(test, "Condition failed: `E::U::<> > E::U::` (U vs U)"); + + #[rustfmt::skip] + let test = || Ok(ensure!(E::U::>E::U)); + assert_err(test, "Condition failed: `E::U:: > E::U` (U vs U)"); + + #[rustfmt::skip] + let test = || Ok(ensure!(E::U::>E::U)); + assert_err(test, "Condition failed: `E::U:: > E::U` (U vs U)"); + + let test = || Ok(ensure!(PhantomData:: != PhantomData)); + assert_err( + test, + "Condition failed: `PhantomData:: != PhantomData` (PhantomData vs PhantomData)", + ); + + let test = || Ok(ensure!(PhantomData:: != PhantomData)); + assert_err( + test, + "Condition failed: `PhantomData:: != PhantomData` (PhantomData vs PhantomData)", + ); + + #[rustfmt::skip] + let test = || { + Ok(ensure!( + PhantomData:: != PhantomData + )) + }; + assert_err( + test, + "Condition failed: `PhantomData:: != PhantomData` (PhantomData vs PhantomData)", + ); +} + +#[test] +fn test_macro() { + let test = || Ok(ensure!(anyhow!("...").to_string().len() <= 1)); + assert_err( + test, + "Condition failed: `anyhow!(\"...\").to_string().len() <= 1` (3 vs 1)", + ); + + let test = || Ok(ensure!(vec![1].len() < 1)); + assert_err(test, "Condition failed: `vec![1].len() < 1` (1 vs 1)"); + + let test = || Ok(ensure!(stringify! {} != "")); + assert_err( + test, + "Condition failed: `stringify! {} != \"\"` (\"\" vs \"\")", + ); +} + +#[test] +fn test_trailer() { + let test = || Ok(ensure!((|| 1)() == 2)); + assert_err(test, "Condition failed: `(|| 1)() == 2` (1 vs 2)"); + + let test = || Ok(ensure!(b"hmm"[1] == b'c')); + assert_err(test, "Condition failed: `b\"hmm\"[1] == b'c'` (109 vs 99)"); + + let test = || Ok(ensure!(PhantomData:: {} != PhantomData)); + assert_err( + test, + "Condition failed: `PhantomData:: {} != PhantomData` (PhantomData vs PhantomData)", + ); + + let result = Ok::<_, Error>(1); + let test = || Ok(ensure!(result? == 2)); + assert_err(test, "Condition failed: `result? == 2` (1 vs 2)"); + + let test = || Ok(ensure!((2, 3).1 == 2)); + assert_err(test, "Condition failed: `(2, 3).1 == 2` (3 vs 2)"); + + #[rustfmt::skip] + let test = || Ok(ensure!((2, (3, 4)). 1.1 == 2)); + assert_err(test, "Condition failed: `(2, (3, 4)).1.1 == 2` (4 vs 2)"); + + let err = anyhow!(""); + let test = || Ok(ensure!(err.is::<&str>() == false)); + assert_err( + test, + "Condition failed: `err.is::<&str>() == false` (true vs false)", + ); + + let test = || Ok(ensure!(err.is::<::Owned>() == true)); + assert_err( + test, + "Condition failed: `err.is::<::Owned>() == true` (false vs true)", + ); +} + +#[test] +fn test_whitespace() { + #[derive(Debug)] + pub struct Point { + pub x: i32, + pub y: i32, + } + + let point = Point { x: 0, y: 0 }; + let test = || Ok(ensure!("" == format!("{:#?}", point))); + assert_err( + test, + "Condition failed: `\"\" == format!(\"{:#?}\", point)`", + ); +} + +#[test] +fn test_too_long() { + let test = || Ok(ensure!("" == "x".repeat(10))); + assert_err( + test, + "Condition failed: `\"\" == \"x\".repeat(10)` (\"\" vs \"xxxxxxxxxx\")", + ); + + let test = || Ok(ensure!("" == "x".repeat(80))); + assert_err(test, "Condition failed: `\"\" == \"x\".repeat(80)`"); +} + +#[test] +fn test_as() { + let test = || Ok(ensure!('\0' as u8 > 1)); + assert_err(test, "Condition failed: `'\\0' as u8 > 1` (0 vs 1)"); + + let test = || Ok(ensure!('\0' as ::std::primitive::u8 > 1)); + assert_err( + test, + "Condition failed: `'\\0' as ::std::primitive::u8 > 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(&[0] as &[i32] == [1])); + assert_err( + test, + "Condition failed: `&[0] as &[i32] == [1]` ([0] vs [1])", + ); + + let test = || Ok(ensure!(0 as *const () as *mut _ == 1 as *mut ())); + assert_err( + test, + "Condition failed: `0 as *const () as *mut _ == 1 as *mut ()` (0x0 vs 0x1)", + ); + + let s = ""; + let test = || Ok(ensure!(s as &str != s)); + assert_err(test, "Condition failed: `s as &str != s` (\"\" vs \"\")"); + + let test = || Ok(ensure!(&s as &&str != &s)); + assert_err(test, "Condition failed: `&s as &&str != &s` (\"\" vs \"\")"); + + let test = || Ok(ensure!(s as &'static str != s)); + assert_err( + test, + "Condition failed: `s as &'static str != s` (\"\" vs \"\")", + ); + + let test = || Ok(ensure!(&s as &&'static str != &s)); + assert_err( + test, + "Condition failed: `&s as &&'static str != &s` (\"\" vs \"\")", + ); + + let m: &mut str = Default::default(); + let test = || Ok(ensure!(m as &mut str != s)); + assert_err( + test, + "Condition failed: `m as &mut str != s` (\"\" vs \"\")", + ); + + let test = || Ok(ensure!(&m as &&mut str != &s)); + assert_err( + test, + "Condition failed: `&m as &&mut str != &s` (\"\" vs \"\")", + ); + + let test = || Ok(ensure!(&m as &&'static mut str != &s)); + assert_err( + test, + "Condition failed: `&m as &&'static mut str != &s` (\"\" vs \"\")", + ); + + let f = || {}; + let test = || Ok(ensure!(f as fn() as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as fn() as usize * 0 != 0` (0 vs 0)", + ); + + let test = || Ok(ensure!(f as fn() -> () as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as fn() -> () as usize * 0 != 0` (0 vs 0)", + ); + + let test = || Ok(ensure!(f as for<'a> fn() as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as for<'a> fn() as usize * 0 != 0` (0 vs 0)", + ); + + let test = || Ok(ensure!(f as unsafe fn() as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as unsafe fn() as usize * 0 != 0` (0 vs 0)", + ); + + #[rustfmt::skip] + let test = || Ok(ensure!(f as extern "Rust" fn() as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as extern \"Rust\" fn() as usize * 0 != 0` (0 vs 0)", + ); + + extern "C" fn extern_fn() {} + #[rustfmt::skip] + let test = || Ok(ensure!(extern_fn as extern fn() as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `extern_fn as extern fn() as usize * 0 != 0` (0 vs 0)", + ); + + let f = || -> ! { panic!() }; + let test = || Ok(ensure!(f as fn() -> ! as usize * 0 != 0)); + assert_err( + test, + "Condition failed: `f as fn() -> ! as usize * 0 != 0` (0 vs 0)", + ); + + trait EqDebug: PartialEq + Debug { + type Assoc; + } + + impl EqDebug for S + where + S: PartialEq + Debug, + { + type Assoc = bool; + } + + let test = || Ok(ensure!(&0 as &dyn EqDebug != &0)); + assert_err( + test, + "Condition failed: `&0 as &dyn EqDebug != &0` (0 vs 0)", + ); + + let test = || { + Ok(ensure!( + PhantomData as PhantomData<::Owned> != PhantomData + )) + }; + assert_err( + test, + "Condition failed: `PhantomData as PhantomData<::Owned> != PhantomData` (PhantomData vs PhantomData)", + ); + + macro_rules! int { + (...) => { + u8 + }; + } + + let test = || Ok(ensure!(0 as int!(...) != 0)); + assert_err(test, "Condition failed: `0 as int!(...) != 0` (0 vs 0)"); + + let test = || Ok(ensure!(0 as int![...] != 0)); + assert_err(test, "Condition failed: `0 as int![...] != 0` (0 vs 0)"); + + let test = || Ok(ensure!(0 as int! {...} != 0)); + assert_err(test, "Condition failed: `0 as int! { ... } != 0` (0 vs 0)"); +} + +#[test] +fn test_pat() { + let test = || Ok(ensure!(if let ref mut _x @ 0 = 0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let ref mut _x @ 0 = 0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let -1..=1 = 0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let -1..=1 = 0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let &0 = &0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let &0 = &0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let &&0 = &&0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let &&0 = &&0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let &mut 0 = &mut 0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let &mut 0 = &mut 0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let &&mut 0 = &&mut 0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let &&mut 0 = &&mut 0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let (0, 1) = (0, 1) { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let (0, 1) = (0, 1) { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let [0] = b"\0" { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let [0] = b\"\\0\" { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let p = PhantomData::; + let test = || Ok(ensure!(if let P:: {} = p { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let P:: {} = p { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(if let ::std::marker::PhantomData = p {} != ())); + assert_err( + test, + "Condition failed: `if let ::std::marker::PhantomData = p {} != ()` (() vs ())", + ); + + let test = || Ok(ensure!(if let ::V = 0 { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let ::V = 0 { 0 } else { 1 } == 1` (0 vs 1)", + ); + + let test = || Ok(ensure!(for _ in iter::once(()) {} != ())); + assert_err( + test, + "Condition failed: `for _ in iter::once(()) {} != ()` (() vs ())", + ); + + let test = || Ok(ensure!(if let stringify!(x) = "x" { 0 } else { 1 } == 1)); + assert_err( + test, + "Condition failed: `if let stringify!(x) = \"x\" { 0 } else { 1 } == 1` (0 vs 1)", + ); +} -- cgit v1.2.3