diff options
Diffstat (limited to 'src/test/ui/rfc-1937-termination-trait')
17 files changed, 183 insertions, 0 deletions
diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-for-box-dyn-error.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-box-dyn-error.rs new file mode 100644 index 000000000..10dc6115d --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-box-dyn-error.rs @@ -0,0 +1,11 @@ +// run-fail +// error-pattern:returned Box<dyn Error> from main() +// failure-status: 1 +// ignore-emscripten no processes + +use std::error::Error; +use std::io; + +fn main() -> Result<(), Box<dyn Error>> { + Err(Box::new(io::Error::new(io::ErrorKind::Other, "returned Box<dyn Error> from main()"))) +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-for-never.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-never.rs new file mode 100644 index 000000000..faf2526c8 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-never.rs @@ -0,0 +1,7 @@ +// run-fail +// error-pattern:oh, dear +// ignore-emscripten no processes + +fn main() -> ! { + panic!("oh, dear"); +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-for-result-box-error_err.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-result-box-error_err.rs new file mode 100644 index 000000000..6a625fb05 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-result-box-error_err.rs @@ -0,0 +1,10 @@ +// run-fail +// error-pattern:returned Box<Error> from main() +// failure-status: 1 +// ignore-emscripten no processes + +use std::io::{Error, ErrorKind}; + +fn main() -> Result<(), Box<Error>> { + Err(Box::new(Error::new(ErrorKind::Other, "returned Box<Error> from main()"))) +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-for-str.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-str.rs new file mode 100644 index 000000000..94f16c6fd --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-for-str.rs @@ -0,0 +1,8 @@ +// run-fail +// error-pattern: An error message for you +// failure-status: 1 +// ignore-emscripten no processes + +fn main() -> Result<(), &'static str> { + Err("An error message for you") +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.rs new file mode 100644 index 000000000..3b60cbc57 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.rs @@ -0,0 +1,3 @@ +// Tests that an `impl Trait` that is not `impl Termination` will not work. +fn main() -> impl Copy { } +//~^ ERROR `main` has invalid return type `impl Copy` diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.stderr new file mode 100644 index 000000000..5ee6d127e --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-impl-trait.stderr @@ -0,0 +1,11 @@ +error[E0277]: `main` has invalid return type `impl Copy` + --> $DIR/termination-trait-impl-trait.rs:2:14 + | +LL | fn main() -> impl Copy { } + | ^^^^^^^^^ `main` can only return types that implement `Termination` + | + = help: consider using `()`, or a `Result` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.rs new file mode 100644 index 000000000..96808a3ed --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.rs @@ -0,0 +1,15 @@ +// compile-flags: --test + +#![feature(test)] + +extern crate test; +use std::num::ParseIntError; +use test::Bencher; + +#[test] +#[should_panic] +fn not_a_num() -> Result<(), ParseIntError> { + //~^ ERROR functions using `#[should_panic]` must return `()` + let _: u32 = "abc".parse()?; + Ok(()) +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.stderr new file mode 100644 index 000000000..7f6749fc9 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test-should-panic.stderr @@ -0,0 +1,12 @@ +error: functions using `#[should_panic]` must return `()` + --> $DIR/termination-trait-in-test-should-panic.rs:11:1 + | +LL | / fn not_a_num() -> Result<(), ParseIntError> { +LL | | +LL | | let _: u32 = "abc".parse()?; +LL | | Ok(()) +LL | | } + | |_^ + +error: aborting due to previous error + diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs new file mode 100644 index 000000000..cd57d9bca --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-in-test.rs @@ -0,0 +1,29 @@ +// compile-flags: --test +// run-pass +// needs-unwind + +// ignore-wasm32-bare compiled with panic=abort by default + +#![feature(test)] + +extern crate test; +use std::num::ParseIntError; +use test::Bencher; + +#[test] +fn is_a_num() -> Result<(), ParseIntError> { + let _: u32 = "22".parse()?; + Ok(()) +} + +#[bench] +fn test_a_positive_bench(_: &mut Bencher) -> Result<(), ParseIntError> { + Ok(()) +} + +#[bench] +#[should_panic] +fn test_a_neg_bench(_: &mut Bencher) -> Result<(), ParseIntError> { + let _: u32 = "abc".parse()?; + Ok(()) +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.rs new file mode 100644 index 000000000..10f7d2215 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.rs @@ -0,0 +1,6 @@ +fn main() -> i32 { +//~^ ERROR `main` has invalid return type `i32` +//~| NOTE `main` can only return types that implement `Termination` +//~| HELP consider using `()`, or a `Result` + 0 +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.stderr new file mode 100644 index 000000000..53779d365 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-i32.stderr @@ -0,0 +1,11 @@ +error[E0277]: `main` has invalid return type `i32` + --> $DIR/termination-trait-main-i32.rs:1:14 + | +LL | fn main() -> i32 { + | ^^^ `main` can only return types that implement `Termination` + | + = help: consider using `()`, or a `Result` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.rs new file mode 100644 index 000000000..687d5f144 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.rs @@ -0,0 +1,3 @@ +fn main() -> char { //~ ERROR + ' ' +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr new file mode 100644 index 000000000..bc8fd92ce --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr @@ -0,0 +1,11 @@ +error[E0277]: `main` has invalid return type `char` + --> $DIR/termination-trait-main-wrong-type.rs:1:14 + | +LL | fn main() -> char { + | ^^^^ `main` can only return types that implement `Termination` + | + = help: consider using `()`, or a `Result` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.rs new file mode 100644 index 000000000..4c6168abb --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.rs @@ -0,0 +1,5 @@ +struct ReturnType {} + +fn main() -> ReturnType { //~ ERROR `main` has invalid return type `ReturnType` + ReturnType {} +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.stderr new file mode 100644 index 000000000..cb329548d --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-not-satisfied.stderr @@ -0,0 +1,11 @@ +error[E0277]: `main` has invalid return type `ReturnType` + --> $DIR/termination-trait-not-satisfied.rs:3:14 + | +LL | fn main() -> ReturnType { + | ^^^^^^^^^^ `main` can only return types that implement `Termination` + | + = help: consider using `()`, or a `Result` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.rs b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.rs new file mode 100644 index 000000000..193a523ae --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.rs @@ -0,0 +1,8 @@ +// compile-flags: --test + +use std::num::ParseFloatError; + +#[test] +fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> { //~ ERROR + "0".parse() +} diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr new file mode 100644 index 000000000..6086723b5 --- /dev/null +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr @@ -0,0 +1,22 @@ +error[E0277]: `main` has invalid return type `f32` + --> $DIR/termination-trait-test-wrong-type.rs:6:1 + | +LL | #[test] + | ------- in this procedural macro expansion +LL | / fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> { +LL | | "0".parse() +LL | | } + | |_^ `main` can only return types that implement `Termination` + | + = help: the trait `Termination` is not implemented for `f32` + = note: required because of the requirements on the impl of `Termination` for `Result<f32, ParseFloatError>` +note: required by a bound in `assert_test_result` + --> $SRC_DIR/test/src/lib.rs:LL:COL + | +LL | pub fn assert_test_result<T: Termination>(result: T) { + | ^^^^^^^^^^^ required by this bound in `assert_test_result` + = note: this error originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. |