From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/error-chain/tests/quick_main.rs | 28 + third_party/rust/error-chain/tests/tests.rs | 719 +++++++++++++++++++++++ 2 files changed, 747 insertions(+) create mode 100644 third_party/rust/error-chain/tests/quick_main.rs create mode 100644 third_party/rust/error-chain/tests/tests.rs (limited to 'third_party/rust/error-chain/tests') diff --git a/third_party/rust/error-chain/tests/quick_main.rs b/third_party/rust/error-chain/tests/quick_main.rs new file mode 100644 index 0000000000..4ada3b4e03 --- /dev/null +++ b/third_party/rust/error-chain/tests/quick_main.rs @@ -0,0 +1,28 @@ +#![allow(dead_code)] +#[macro_use] +extern crate error_chain; + +error_chain!(); + +mod unit { + use super::*; + quick_main!(run); + + fn run() -> Result<()> { + Ok(()) + } +} + +mod i32 { + use super::*; + quick_main!(run); + + fn run() -> Result { + Ok(1) + } +} + +mod closure { + use super::*; + quick_main!(|| -> Result<()> { Ok(()) }); +} diff --git a/third_party/rust/error-chain/tests/tests.rs b/third_party/rust/error-chain/tests/tests.rs new file mode 100644 index 0000000000..e9d183c577 --- /dev/null +++ b/third_party/rust/error-chain/tests/tests.rs @@ -0,0 +1,719 @@ +#![allow(dead_code)] + +#[macro_use] +extern crate error_chain; + +#[test] +fn smoke_test_1() { + error_chain! { + types { + Error, ErrorKind, ResultExt, Result; + } + + links { } + + foreign_links { } + + errors { } + }; +} + +#[test] +fn smoke_test_2() { + error_chain! { + types { } + + links { } + + foreign_links { } + + errors { } + }; +} + +#[test] +fn smoke_test_3() { + error_chain! { + links { } + + foreign_links { } + + errors { } + }; +} + +#[test] +fn smoke_test_4() { + error_chain! { + links { } + + foreign_links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code") + display("http request returned an unsuccessful status code: {}", e) + } + } + }; +} + +#[test] +fn smoke_test_5() { + error_chain! { + types { } + + links { } + + foreign_links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code") + display("http request returned an unsuccessful status code: {}", e) + } + } + }; +} + +#[test] +fn smoke_test_6() { + error_chain! { + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code") + display("http request returned an unsuccessful status code: {}", e) + } + } + }; +} + +#[test] +fn smoke_test_7() { + error_chain! { + types { } + + foreign_links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code") + display("http request returned an unsuccessful status code: {}", e) + } + } + }; +} + +#[test] +fn smoke_test_8() { + error_chain! { + types { } + + links { } + links { } + + foreign_links { } + foreign_links { } + + errors { + FileNotFound + AccessDenied + } + }; +} + +#[test] +fn order_test_1() { + error_chain! { types { } links { } foreign_links { } errors { } }; +} + +#[test] +fn order_test_2() { + error_chain! { links { } types { } foreign_links { } errors { } }; +} + +#[test] +fn order_test_3() { + error_chain! { foreign_links { } links { } errors { } types { } }; +} + +#[test] +fn order_test_4() { + error_chain! { errors { } types { } foreign_links { } }; +} + +#[test] +fn order_test_5() { + error_chain! { foreign_links { } types { } }; +} + +#[test] +fn order_test_6() { + error_chain! { + links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code") + display("http request returned an unsuccessful status code: {}", e) + } + } + + + foreign_links { } + }; +} + +#[test] +fn order_test_7() { + error_chain! { + links { } + + foreign_links { } + + types { + Error, ErrorKind, ResultExt, Result; + } + }; +} + +#[test] +fn order_test_8() { + error_chain! { + links { } + + foreign_links { } + foreign_links { } + + types { + Error, ErrorKind, ResultExt, Result; + } + }; +} + +#[test] +fn empty() { + error_chain! {}; +} + +#[test] +#[cfg(feature = "backtrace")] +fn has_backtrace_depending_on_env() { + use std::path::PathBuf; + use std::process::Command; + + let cmd_folder = if cfg!(build = "debug") { + "debug" + } else if cfg!(build = "release") { + "release" + } else { + panic!("Unknown build config"); + }; + + let cmd_path = if cfg!(windows) { + PathBuf::from(format!( + "./target/{}/examples/has_backtrace.exe", + cmd_folder + )) + } else { + PathBuf::from(format!("./target/{}/examples/has_backtrace", cmd_folder)) + }; + let mut cmd = Command::new(cmd_path); + + // missing RUST_BACKTRACE and RUST_BACKTRACE=0 + cmd.env_remove("RUST_BACKTRACE"); + assert_eq!(cmd.status().unwrap().code().unwrap(), 0); + + cmd.env("RUST_BACKTRACE", "0"); + assert_eq!(cmd.status().unwrap().code().unwrap(), 0); + + // RUST_BACKTRACE set to anything but 0 + cmd.env("RUST_BACKTRACE", "yes"); + assert_eq!(cmd.status().unwrap().code().unwrap(), 1); + + cmd.env("RUST_BACKTRACE", "1"); + assert_eq!(cmd.status().unwrap().code().unwrap(), 1); +} + +#[test] +fn chain_err() { + use std::fmt; + + error_chain! { + foreign_links { + Fmt(fmt::Error); + } + errors { + Test + } + } + + let _: Result<()> = Err(fmt::Error).chain_err(|| ""); + let _: Result<()> = Err(Error::from_kind(ErrorKind::Test)).chain_err(|| ""); +} + +/// Verify that an error chain is extended one by `Error::chain_err`, with +/// the new error added to the end. +#[test] +fn error_chain_err() { + error_chain! { + errors { + Test + } + } + + let base = Error::from(ErrorKind::Test); + let ext = base.chain_err(|| "Test passes"); + + if let Error(ErrorKind::Msg(_), _) = ext { + // pass + } else { + panic!("The error should be wrapped. {:?}", ext); + } +} + +#[test] +fn links() { + mod test { + error_chain! {} + } + + error_chain! { + links { + Test(test::Error, test::ErrorKind); + } + } +} + +#[cfg(test)] +mod foreign_link_test { + + use std::fmt; + + // Note: foreign errors must be `pub` because they appear in the + // signature of the public foreign_link_error_path + #[derive(Debug)] + pub struct ForeignError { + cause: ForeignErrorCause, + } + + impl ::std::error::Error for ForeignError { + fn description(&self) -> &'static str { + "Foreign error description" + } + + #[cfg(not(has_error_source))] + fn cause(&self) -> Option<&::std::error::Error> { + Some(&self.cause) + } + + #[cfg(has_error_source)] + fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { + Some(&self.cause) + } + } + + impl fmt::Display for ForeignError { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "Foreign error display") + } + } + + #[derive(Debug)] + pub struct ForeignErrorCause {} + + impl ::std::error::Error for ForeignErrorCause { + fn description(&self) -> &'static str { + "Foreign error cause description" + } + + #[cfg(not(has_error_source))] + fn cause(&self) -> Option<&::std::error::Error> { + None + } + + #[cfg(has_error_source)] + fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { + None + } + } + + impl fmt::Display for ForeignErrorCause { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + write!(formatter, "Foreign error cause display") + } + } + + error_chain! { + types{ + Error, ErrorKind, ResultExt, Result; + } + links {} + foreign_links { + Foreign(ForeignError); + Io(::std::io::Error); + } + errors {} + } + + #[test] + fn display_underlying_error() { + let chained_error = try_foreign_error().err().unwrap(); + assert_eq!( + format!( + "{}", + ForeignError { + cause: ForeignErrorCause {} + } + ), + format!("{}", chained_error) + ); + } + + #[test] + #[cfg(not(has_error_source))] + fn finds_cause() { + let chained_error = try_foreign_error().err().unwrap(); + assert_eq!( + format!("{}", ForeignErrorCause {}), + format!("{}", ::std::error::Error::cause(&chained_error).unwrap()) + ); + } + + #[test] + #[cfg(has_error_source)] + fn finds_source() { + let chained_error = try_foreign_error().err().unwrap(); + assert_eq!( + format!("{}", ForeignErrorCause {}), + format!("{}", ::std::error::Error::source(&chained_error).unwrap()) + ); + } + + #[test] + #[allow(unknown_lints, bare_trait_objects)] + fn iterates() { + let chained_error = try_foreign_error().err().unwrap(); + let mut error_iter = chained_error.iter(); + assert!(!format!("{:?}", error_iter).is_empty()); + assert_eq!( + format!( + "{}", + ForeignError { + cause: ForeignErrorCause {} + } + ), + format!("{}", error_iter.next().unwrap()) + ); + assert_eq!( + format!("{}", ForeignErrorCause {}), + format!("{}", error_iter.next().unwrap()) + ); + assert_eq!( + format!("{:?}", None as Option<&::std::error::Error>), + format!("{:?}", error_iter.next()) + ); + } + + fn try_foreign_error() -> Result<()> { + Err(ForeignError { + cause: ForeignErrorCause {}, + })?; + Ok(()) + } +} + +#[cfg(test)] +mod attributes_test { + #[allow(unused_imports)] + use std::io; + + #[cfg(not(test))] + mod inner { + error_chain! {} + } + + error_chain! { + types { + Error, ErrorKind, ResultExt, Result; + } + + links { + Inner(inner::Error, inner::ErrorKind) #[cfg(not(test))]; + } + + foreign_links { + Io(io::Error) #[cfg(not(test))]; + } + + errors { + #[cfg(not(test))] + AnError { + + } + } + } +} + +#[test] +fn with_result() { + error_chain! { + types { + Error, ErrorKind, ResultExt, Result; + } + } + let _: Result<()> = Ok(()); +} + +#[test] +fn without_result() { + error_chain! { + types { + Error, ErrorKind, ResultExt; + } + } + let _: Result<(), ()> = Ok(()); +} + +#[test] +fn documentation() { + mod inner { + error_chain! {} + } + + error_chain! { + links { + Inner(inner::Error, inner::ErrorKind) #[doc = "Doc"]; + } + foreign_links { + Io(::std::io::Error) #[doc = "Doc"]; + } + errors { + /// Doc + Variant + } + } +} + +#[cfg(test)] +mod multiple_error_same_mod { + error_chain! { + types { + MyError, MyErrorKind, MyResultExt, MyResult; + } + } + error_chain! {} +} + +#[doc(test)] +#[deny(dead_code)] +mod allow_dead_code { + error_chain! {} +} + +// Make sure links actually work! +#[test] +fn rustup_regression() { + error_chain! { + links { + Download(error_chain::mock::Error, error_chain::mock::ErrorKind); + } + + foreign_links { } + + errors { + LocatingWorkingDir { + description("could not locate working directory") + } + } + } +} + +#[test] +fn error_patterns() { + error_chain! { + links { } + + foreign_links { } + + errors { } + } + + // Tuples look nice when matching errors + match Error::from("Test") { + Error(ErrorKind::Msg(_), _) => {} + _ => {} + } +} + +#[test] +fn result_match() { + error_chain! {} + + fn ok() -> Result<()> { + Ok(()) + } + + match ok() { + Ok(()) => {} + Err(Error(ErrorKind::Msg(_), _)) => {} + Err(..) => {} + } +} + +#[test] +fn error_first() { + error_chain! { + errors { + LocatingWorkingDir { + description("could not locate working directory") + } + } + + links { + Download(error_chain::mock::Error, error_chain::mock::ErrorKind); + } + + foreign_links { } + } +} + +#[test] +fn bail() { + error_chain! { + errors { Foo } + } + + fn foo() -> Result<()> { + bail!(ErrorKind::Foo) + } + + fn bar() -> Result<()> { + bail!("bar") + } + + fn baz() -> Result<()> { + bail!("{}", "baz") + } +} + +#[test] +fn ensure() { + error_chain! { + errors { Bar } + } + + fn foo(x: u8) -> Result<()> { + ensure!(x == 42, ErrorKind::Bar); + Ok(()) + } + + assert!(foo(42).is_ok()); + assert!(foo(0).is_err()); +} + +/// Since the `types` declaration is a list of symbols, check if we +/// don't change their meaning or order. +#[test] +fn types_declarations() { + error_chain! { + types { + MyError, MyErrorKind, MyResultExt, MyResult; + } + } + + MyError::from_kind(MyErrorKind::Msg("".into())); + + let err: Result<(), ::std::io::Error> = Ok(()); + MyResultExt::chain_err(err, || "").unwrap(); + + let _: MyResult<()> = Ok(()); +} + +#[test] +/// Calling chain_err over a `Result` containing an error to get a chained error +/// and constructing a MyError directly, passing it an error should be equivalent. +fn rewrapping() { + use std::env::VarError::{self, NotPresent, NotUnicode}; + + error_chain! { + foreign_links { + VarErr(VarError); + } + + types { + MyError, MyErrorKind, MyResultExt, MyResult; + } + } + + let result_a_from_func: Result = Err(VarError::NotPresent); + let result_b_from_func: Result = Err(VarError::NotPresent); + + let our_error_a = result_a_from_func.map_err(|e| match e { + NotPresent => MyError::with_chain(e, "env var wasn't provided"), + NotUnicode(_) => MyError::with_chain(e, "env var was bork文字化ã"), + }); + + let our_error_b = result_b_from_func.or_else(|e| match e { + NotPresent => Err(e).chain_err(|| "env var wasn't provided"), + NotUnicode(_) => Err(e).chain_err(|| "env var was bork文字化ã"), + }); + + assert_eq!( + format!("{}", our_error_a.unwrap_err()), + format!("{}", our_error_b.unwrap_err()) + ); +} + +#[test] +fn comma_in_errors_impl() { + error_chain! { + links { } + + foreign_links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code"), + display("http request returned an unsuccessful status code: {}", e) + } + } + }; +} + +#[test] +fn trailing_comma_in_errors_impl() { + error_chain! { + links { } + + foreign_links { } + + errors { + HttpStatus(e: u32) { + description("http request returned an unsuccessful status code"), + display("http request returned an unsuccessful status code: {}", e), + } + } + }; +} + +#[test] +fn skipping_msg_variant() { + error_chain! { + skip_msg_variant + + errors { + MyMsg(s: String) { + description(&s) + display("{}", s) + } + } + } + + let x = Error::from_kind(ErrorKind::MyMsg("some string".into())); + // This would fail to compile if we generate a `Msg` variant + match *x.kind() { + ErrorKind::MyMsg(_) => {} + ErrorKind::__Nonexhaustive {} => {} + } +} -- cgit v1.2.3