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Fix negative integer literal test

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Co-Authored-By: Gabriel Smith <yodaldevoid@users.noreply.github.com>
This commit is contained in:
varkor 2019-02-20 11:01:39 +00:00
parent 3e3a4212e8
commit 162405f222
2 changed files with 8 additions and 19 deletions
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12
src/test/ui/const-generics/const-expression-parameter.rs
View file

@ -1,24 +1,22 @@
#![feature(const_generics)]
//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
fn u32_identity<const X: u32>() -> u32 {
fn i32_identity<const X: i32>() -> i32 {
5
}
fn foo_a() {
u32_identity::<-1>(); //~ ERROR expected identifier, found `<-`
i32_identity::<-1>(); //~ ERROR expected identifier, found `<-`
}
fn foo_b() {
u32_identity::<1 + 2>(); //~ ERROR expected one of `,` or `>`, found `+`
i32_identity::<1 + 2>(); //~ ERROR expected one of `,` or `>`, found `+`
}
fn foo_c() {
u32_identity::< -1 >(); // ok
// FIXME(const_generics)
//~^^ ERROR cannot apply unary operator `-` to type `u32` [E0600]
i32_identity::< -1 >(); // ok
}
fn main() {
u32_identity::<5>(); // ok
i32_identity::<5>(); // ok
}

15
src/test/ui/const-generics/const-expression-parameter.stderr
View file

@ -1,13 +1,13 @@
error: expected identifier, found `<-`
--> $DIR/const-expression-parameter.rs:9:19
|
LL | u32_identity::<-1>(); //~ ERROR expected identifier, found `<-`
LL | i32_identity::<-1>(); //~ ERROR expected identifier, found `<-`
| ^^ expected identifier
error: expected one of `,` or `>`, found `+`
--> $DIR/const-expression-parameter.rs:13:22
|
LL | u32_identity::<1 + 2>(); //~ ERROR expected one of `,` or `>`, found `+`
LL | i32_identity::<1 + 2>(); //~ ERROR expected one of `,` or `>`, found `+`
| ^ expected one of `,` or `>` here
warning: the feature `const_generics` is incomplete and may cause the compiler to crash
@ -16,14 +16,5 @@ warning: the feature `const_generics` is incomplete and may cause the compiler t
LL | #![feature(const_generics)]
| ^^^^^^^^^^^^^^
error[E0600]: cannot apply unary operator `-` to type `u32`
--> $DIR/const-expression-parameter.rs:17:21
|
LL | u32_identity::< -1 >(); // ok
| ^^ cannot apply unary operator `-`
|
= note: unsigned values cannot be negated
error: aborting due to 2 previous errors
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0600`.