From f841369fee0f49125c83046340b228b032ebc702 Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Tue, 15 Jun 2021 21:11:53 +0300 Subject: internal: switch some tests to minicore --- crates/hir_ty/src/tests/coercion.rs | 197 +++++++++++++++--------------------- crates/test_utils/src/minicore.rs | 9 +- 2 files changed, 88 insertions(+), 118 deletions(-) (limited to 'crates') diff --git a/crates/hir_ty/src/tests/coercion.rs b/crates/hir_ty/src/tests/coercion.rs index 91236e974..58d454a0f 100644 --- a/crates/hir_ty/src/tests/coercion.rs +++ b/crates/hir_ty/src/tests/coercion.rs @@ -122,60 +122,52 @@ fn infer_let_stmt_coerce() { fn infer_custom_coerce_unsized() { check_infer( r#" - struct A(*const T); - struct B(*const T); - struct C { inner: *const T } - - impl, U: ?Sized> CoerceUnsized> for B {} - impl, U: ?Sized> CoerceUnsized> for C {} +//- minicore: coerce_unsized +use core::{marker::Unsize, ops::CoerceUnsized}; - fn foo1(x: A<[T]>) -> A<[T]> { x } - fn foo2(x: B<[T]>) -> B<[T]> { x } - fn foo3(x: C<[T]>) -> C<[T]> { x } +struct A(*const T); +struct B(*const T); +struct C { inner: *const T } - fn test(a: A<[u8; 2]>, b: B<[u8; 2]>, c: C<[u8; 2]>) { - let d = foo1(a); - let e = foo2(b); - let f = foo3(c); - } +impl, U: ?Sized> CoerceUnsized> for B {} +impl, U: ?Sized> CoerceUnsized> for C {} +fn foo1(x: A<[T]>) -> A<[T]> { x } +fn foo2(x: B<[T]>) -> B<[T]> { x } +fn foo3(x: C<[T]>) -> C<[T]> { x } - #[lang = "sized"] - pub trait Sized {} - #[lang = "unsize"] - pub trait Unsize {} - #[lang = "coerce_unsized"] - pub trait CoerceUnsized {} - - impl<'a, 'b: 'a, T: ?Sized + Unsize, U: ?Sized> CoerceUnsized<&'a U> for &'b T {} - impl, U: ?Sized> CoerceUnsized<*mut U> for *mut T {} - "#, +fn test(a: A<[u8; 2]>, b: B<[u8; 2]>, c: C<[u8; 2]>) { + let d = foo1(a); + let e = foo2(b); + let f = foo3(c); +} +"#, expect![[r#" - 257..258 'x': A<[T]> - 278..283 '{ x }': A<[T]> - 280..281 'x': A<[T]> - 295..296 'x': B<[T]> - 316..321 '{ x }': B<[T]> - 318..319 'x': B<[T]> - 333..334 'x': C<[T]> - 354..359 '{ x }': C<[T]> - 356..357 'x': C<[T]> - 369..370 'a': A<[u8; 2]> - 384..385 'b': B<[u8; 2]> - 399..400 'c': C<[u8; 2]> - 414..480 '{ ...(c); }': () - 424..425 'd': A<[{unknown}]> - 428..432 'foo1': fn foo1<{unknown}>(A<[{unknown}]>) -> A<[{unknown}]> - 428..435 'foo1(a)': A<[{unknown}]> - 433..434 'a': A<[u8; 2]> - 445..446 'e': B<[u8]> - 449..453 'foo2': fn foo2(B<[u8]>) -> B<[u8]> - 449..456 'foo2(b)': B<[u8]> - 454..455 'b': B<[u8; 2]> - 466..467 'f': C<[u8]> - 470..474 'foo3': fn foo3(C<[u8]>) -> C<[u8]> - 470..477 'foo3(c)': C<[u8]> - 475..476 'c': C<[u8; 2]> + 306..307 'x': A<[T]> + 327..332 '{ x }': A<[T]> + 329..330 'x': A<[T]> + 344..345 'x': B<[T]> + 365..370 '{ x }': B<[T]> + 367..368 'x': B<[T]> + 382..383 'x': C<[T]> + 403..408 '{ x }': C<[T]> + 405..406 'x': C<[T]> + 418..419 'a': A<[u8; 2]> + 433..434 'b': B<[u8; 2]> + 448..449 'c': C<[u8; 2]> + 463..529 '{ ...(c); }': () + 473..474 'd': A<[{unknown}]> + 477..481 'foo1': fn foo1<{unknown}>(A<[{unknown}]>) -> A<[{unknown}]> + 477..484 'foo1(a)': A<[{unknown}]> + 482..483 'a': A<[u8; 2]> + 494..495 'e': B<[u8]> + 498..502 'foo2': fn foo2(B<[u8]>) -> B<[u8]> + 498..505 'foo2(b)': B<[u8]> + 503..504 'b': B<[u8; 2]> + 515..516 'f': C<[u8]> + 519..523 'foo3': fn foo3(C<[u8]>) -> C<[u8]> + 519..526 'foo3(c)': C<[u8]> + 524..525 'c': C<[u8; 2]> "#]], ); } @@ -184,21 +176,16 @@ fn infer_custom_coerce_unsized() { fn infer_if_coerce() { check_infer( r#" - fn foo(x: &[T]) -> &[T] { loop {} } - fn test() { - let x = if true { - foo(&[1]) - } else { - &[1] - }; - } - - - #[lang = "sized"] - pub trait Sized {} - #[lang = "unsize"] - pub trait Unsize {} - "#, +//- minicore: unsize +fn foo(x: &[T]) -> &[T] { loop {} } +fn test() { + let x = if true { + foo(&[1]) + } else { + &[1] + }; +} +"#, expect![[r#" 10..11 'x': &[T] 27..38 '{ loop {} }': &[T] @@ -226,25 +213,16 @@ fn infer_if_coerce() { fn infer_if_else_coerce() { check_infer( r#" - fn foo(x: &[T]) -> &[T] { loop {} } - fn test() { - let x = if true { - &[1] - } else { - foo(&[1]) - }; - } - - #[lang = "sized"] - pub trait Sized {} - #[lang = "unsize"] - pub trait Unsize {} - #[lang = "coerce_unsized"] - pub trait CoerceUnsized {} - - impl<'a, 'b: 'a, T: ?Sized + Unsize, U: ?Sized> CoerceUnsized<&'a U> for &'b T {} - impl, U: ?Sized> CoerceUnsized<*mut U> for *mut T {} - "#, +//- minicore: coerce_unsized +fn foo(x: &[T]) -> &[T] { loop {} } +fn test() { + let x = if true { + &[1] + } else { + foo(&[1]) + }; +} +"#, expect![[r#" 10..11 'x': &[T] 27..38 '{ loop {} }': &[T] @@ -272,20 +250,16 @@ fn infer_if_else_coerce() { fn infer_match_first_coerce() { check_infer( r#" - fn foo(x: &[T]) -> &[T] { loop {} } - fn test(i: i32) { - let x = match i { - 2 => foo(&[2]), - 1 => &[1], - _ => &[3], - }; - } - - #[lang = "sized"] - pub trait Sized {} - #[lang = "unsize"] - pub trait Unsize {} - "#, +//- minicore: unsize +fn foo(x: &[T]) -> &[T] { loop {} } +fn test(i: i32) { + let x = match i { + 2 => foo(&[2]), + 1 => &[1], + _ => &[3], + }; +} +"#, expect![[r#" 10..11 'x': &[T] 27..38 '{ loop {} }': &[T] @@ -320,25 +294,16 @@ fn infer_match_first_coerce() { fn infer_match_second_coerce() { check_infer( r#" - fn foo(x: &[T]) -> &[T] { loop {} } - fn test(i: i32) { - let x = match i { - 1 => &[1], - 2 => foo(&[2]), - _ => &[3], - }; - } - - #[lang = "sized"] - pub trait Sized {} - #[lang = "unsize"] - pub trait Unsize {} - #[lang = "coerce_unsized"] - pub trait CoerceUnsized {} - - impl<'a, 'b: 'a, T: ?Sized + Unsize, U: ?Sized> CoerceUnsized<&'a U> for &'b T {} - impl, U: ?Sized> CoerceUnsized<*mut U> for *mut T {} - "#, +//- minicore: coerce_unsized +fn foo(x: &[T]) -> &[T] { loop {} } +fn test(i: i32) { + let x = match i { + 1 => &[1], + 2 => foo(&[2]), + _ => &[3], + }; +} +"#, expect![[r#" 10..11 'x': &[T] 27..38 '{ loop {} }': &[T] diff --git a/crates/test_utils/src/minicore.rs b/crates/test_utils/src/minicore.rs index 629c06ed0..8f8f1c9f8 100644 --- a/crates/test_utils/src/minicore.rs +++ b/crates/test_utils/src/minicore.rs @@ -9,7 +9,8 @@ //! //! Available flags: //! sized: -//! coerce_unsized: sized +//! unsize: sized +//! coerce_unsized: unsize pub mod marker { // region:sized @@ -17,10 +18,12 @@ pub mod marker { #[fundamental] #[rustc_specialization_trait] pub trait Sized {} + // endregion:sized + // region:unsize #[lang = "unsize"] pub trait Unsize {} - // endregion:sized + // endregion:unsize } pub mod ops { @@ -44,6 +47,8 @@ pub mod ops { impl, U: ?Sized> CoerceUnsized<*const U> for *const T {} // endregion:coerce_unsized } + + pub use self::unsize::CoerceUnsized; // :coerce_unsized } pub mod prelude { -- cgit v1.2.3