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tests: Update and add tests for RFC 2203.
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9 files changed

+96
-32
lines changed

9 files changed

+96
-32
lines changed

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/migrate-fail.rs

+26
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,26 @@
1+
// ignore-tidy-linelength
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// ignore-compare-mode-nll
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// compile-flags: -Z borrowck=migrate
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#![feature(const_in_array_repeat_expressions)]
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#![allow(warnings)]
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7+
// Some type that is not copyable.
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struct Bar;
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10+
mod non_constants {
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use Bar;
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fn no_impl_copy_empty_value_multiple_elements() {
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let x = None;
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let arr: [Option<Bar>; 2] = [x; 2];
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//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
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}
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fn no_impl_copy_value_multiple_elements() {
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let x = Some(Bar);
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let arr: [Option<Bar>; 2] = [x; 2];
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//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
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}
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}
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fn main() {}

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/nll-borrowck.stderr renamed to ‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/migrate-fail.stderr

+2-2
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
error[E0277]: the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied
2-
--> $DIR/nll-borrowck.rs:87:37
2+
--> $DIR/migrate-fail.rs:15:37
33
|
44
LL | let arr: [Option<Bar>; 2] = [x; 2];
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| ^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<Bar>`
@@ -9,7 +9,7 @@ LL | let arr: [Option<Bar>; 2] = [x; 2];
99
= note: the `Copy` trait is required because the repeated element will be copied
1010

1111
error[E0277]: the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied
12-
--> $DIR/nll-borrowck.rs:103:37
12+
--> $DIR/migrate-fail.rs:21:37
1313
|
1414
LL | let arr: [Option<Bar>; 2] = [x; 2];
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| ^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<Bar>`

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/migrate-borrowck.rs renamed to ‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/migrate-pass.rs

+3-14
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
1-
// ignore-compile-mode-nll
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// check-pass
22
// compile-flags: -Z borrowck=migrate
3-
#![feature(constants_in_array_repeat_expressions)]
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// ignore-compare-mode-nll
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#![feature(const_in_array_repeat_expressions)]
45
#![allow(warnings)]
56

67
// Some type that is not copyable.
@@ -83,12 +84,6 @@ mod non_constants {
8384
let arr: [Option<Bar>; 1] = [x; 1];
8485
}
8586

86-
fn no_impl_copy_empty_value_multiple_elements() {
87-
let x = None;
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let arr: [Option<Bar>; 2] = [x; 2];
89-
//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
90-
}
91-
9287
fn no_impl_copy_value_no_elements() {
9388
let x = Some(Bar);
9489
let arr: [Option<Bar>; 0] = [x; 0];
@@ -99,12 +94,6 @@ mod non_constants {
9994
let arr: [Option<Bar>; 1] = [x; 1];
10095
}
10196

102-
fn no_impl_copy_value_multiple_elements() {
103-
let x = Some(Bar);
104-
let arr: [Option<Bar>; 2] = [x; 2];
105-
//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
106-
}
107-
10897
fn impl_copy_empty_value_no_elements() {
10998
let x: Option<u32> = None;
11099
let arr: [Option<u32>; 0] = [x; 0];

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/nll-fail.rs

+25
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@@ -0,0 +1,25 @@
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// ignore-tidy-linelength
2+
// ignore-compare-mode-nll
3+
#![feature(const_in_array_repeat_expressions, nll)]
4+
#![allow(warnings)]
5+
6+
// Some type that is not copyable.
7+
struct Bar;
8+
9+
mod non_constants {
10+
use Bar;
11+
12+
fn no_impl_copy_empty_value_multiple_elements() {
13+
let x = None;
14+
let arr: [Option<Bar>; 2] = [x; 2];
15+
//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
16+
}
17+
18+
fn no_impl_copy_value_multiple_elements() {
19+
let x = Some(Bar);
20+
let arr: [Option<Bar>; 2] = [x; 2];
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//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
22+
}
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}
24+
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fn main() {}

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/migrate-borrowck.stderr renamed to ‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/nll-fail.stderr

+2-2
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
error[E0277]: the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied
2-
--> $DIR/migrate-borrowck.rs:88:37
2+
--> $DIR/nll-fail.rs:14:37
33
|
44
LL | let arr: [Option<Bar>; 2] = [x; 2];
55
| ^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<Bar>`
@@ -9,7 +9,7 @@ LL | let arr: [Option<Bar>; 2] = [x; 2];
99
= note: the `Copy` trait is required because the repeated element will be copied
1010

1111
error[E0277]: the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied
12-
--> $DIR/migrate-borrowck.rs:104:37
12+
--> $DIR/nll-fail.rs:20:37
1313
|
1414
LL | let arr: [Option<Bar>; 2] = [x; 2];
1515
| ^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<Bar>`

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/nll-borrowck.rs renamed to ‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/nll-pass.rs

+3-14
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
1-
// ignore-compile-mode-nll
1+
// check-pass
2+
// ignore-compare-mode-nll
23
#![allow(warnings)]
3-
#![feature(constants_in_array_repeat_expressions, nll)]
4+
#![feature(const_in_array_repeat_expressions, nll)]
45

56
// Some type that is not copyable.
67
struct Bar;
@@ -82,12 +83,6 @@ mod non_constants {
8283
let arr: [Option<Bar>; 1] = [x; 1];
8384
}
8485

85-
fn no_impl_copy_empty_value_multiple_elements() {
86-
let x = None;
87-
let arr: [Option<Bar>; 2] = [x; 2];
88-
//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
89-
}
90-
9186
fn no_impl_copy_value_no_elements() {
9287
let x = Some(Bar);
9388
let arr: [Option<Bar>; 0] = [x; 0];
@@ -98,12 +93,6 @@ mod non_constants {
9893
let arr: [Option<Bar>; 1] = [x; 1];
9994
}
10095

101-
fn no_impl_copy_value_multiple_elements() {
102-
let x = Some(Bar);
103-
let arr: [Option<Bar>; 2] = [x; 2];
104-
//~^ ERROR the trait bound `std::option::Option<Bar>: std::marker::Copy` is not satisfied [E0277]
105-
}
106-
10796
fn impl_copy_empty_value_no_elements() {
10897
let x: Option<u32> = None;
10998
let arr: [Option<u32>; 0] = [x; 0];

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/run-pass.rs

+12
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@@ -0,0 +1,12 @@
1+
// run-pass
2+
#![feature(const_in_array_repeat_expressions)]
3+
4+
#[derive(Debug, Eq, PartialEq)]
5+
struct Bar;
6+
7+
fn main() {
8+
const FOO: Option<Bar> = None;
9+
const ARR: [Option<Bar>; 2] = [FOO; 2];
10+
11+
assert_eq!(ARR, [None::<Bar>, None::<Bar>]);
12+
}

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/trait-error.rs

+10
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@@ -0,0 +1,10 @@
1+
// ignore-tidy-linelength
2+
#![feature(const_in_array_repeat_expressions)]
3+
4+
#[derive(Copy, Clone)]
5+
struct Foo<T>(T);
6+
7+
fn main() {
8+
[Foo(String::new()); 4];
9+
//~^ ERROR the trait bound `Foo<std::string::String>: std::marker::Copy` is not satisfied [E0277]
10+
}

‎src/test/ui/consts/rfc-2203-const-array-repeat-exprs/trait-error.stderr

+13
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1+
error[E0277]: the trait bound `Foo<std::string::String>: std::marker::Copy` is not satisfied
2+
--> $DIR/trait-error.rs:8:5
3+
|
4+
LL | [Foo(String::new()); 4];
5+
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Foo<std::string::String>`
6+
|
7+
= help: the following implementations were found:
8+
<Foo<T> as std::marker::Copy>
9+
= note: the `Copy` trait is required because the repeated element will be copied
10+
11+
error: aborting due to previous error
12+
13+
For more information about this error, try `rustc --explain E0277`.

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