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| author | David Tolnay <dtolnay@gmail.com> | 2020-09-30 22:13:33 -0700 |
|---|---|---|
| committer | David Tolnay <dtolnay@gmail.com> | 2020-09-30 22:19:39 -0700 |
| commit | eef5104c53114bf9a074fe8d83cfd782bd78652d (patch) | |
| tree | 540d291115a29c7b0d1b23f33141a2811c360998 /src | |
| parent | 41baa090ad1c40a7fc96f96664543ce4c26746c2 (diff) | |
| download | rust-eef5104c53114bf9a074fe8d83cfd782bd78652d.tar.gz rust-eef5104c53114bf9a074fe8d83cfd782bd78652d.zip | |
Add test of VEC.push on a const
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/ui/lint/lint-const-item-mutation.rs | 2 | ||||
| -rw-r--r-- | src/test/ui/lint/lint-const-item-mutation.stderr | 14 |
2 files changed, 9 insertions, 7 deletions
diff --git a/src/test/ui/lint/lint-const-item-mutation.rs b/src/test/ui/lint/lint-const-item-mutation.rs index 37e6420fc98..9f6a4e59088 100644 --- a/src/test/ui/lint/lint-const-item-mutation.rs +++ b/src/test/ui/lint/lint-const-item-mutation.rs @@ -28,6 +28,7 @@ const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw_ptr: const RAW_PTR: *mut u8 = 1 as *mut u8; const MUTABLE: Mutable = Mutable { msg: "" }; const MUTABLE2: Mutable2 = Mutable2 { msg: "", other: String::new() }; +const VEC: Vec<i32> = Vec::new(); fn main() { ARRAY[0] = 5; //~ WARN attempting to modify @@ -48,4 +49,5 @@ fn main() { MUTABLE.msg = "wow"; // no warning, because Drop observes the mutation MUTABLE2.msg = "wow"; //~ WARN attempting to modify + VEC.push(0); // no warning } diff --git a/src/test/ui/lint/lint-const-item-mutation.stderr b/src/test/ui/lint/lint-const-item-mutation.stderr index 20a8ed0d783..0e02ba928bb 100644 --- a/src/test/ui/lint/lint-const-item-mutation.stderr +++ b/src/test/ui/lint/lint-const-item-mutation.stderr @@ -1,5 +1,5 @@ warning: attempting to modify a `const` item - --> $DIR/lint-const-item-mutation.rs:33:5 + --> $DIR/lint-const-item-mutation.rs:34:5 | LL | ARRAY[0] = 5; | ^^^^^^^^^^^^ @@ -13,7 +13,7 @@ LL | const ARRAY: [u8; 1] = [25]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: attempting to modify a `const` item - --> $DIR/lint-const-item-mutation.rs:34:5 + --> $DIR/lint-const-item-mutation.rs:35:5 | LL | MY_STRUCT.field = false; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -26,7 +26,7 @@ LL | const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: attempting to modify a `const` item - --> $DIR/lint-const-item-mutation.rs:35:5 + --> $DIR/lint-const-item-mutation.rs:36:5 | LL | MY_STRUCT.inner_array[0] = 'b'; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -39,7 +39,7 @@ LL | const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: taking a mutable reference to a `const` item - --> $DIR/lint-const-item-mutation.rs:36:5 + --> $DIR/lint-const-item-mutation.rs:37:5 | LL | MY_STRUCT.use_mut(); | ^^^^^^^^^^^^^^^^^^^ @@ -58,7 +58,7 @@ LL | const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: taking a mutable reference to a `const` item - --> $DIR/lint-const-item-mutation.rs:37:5 + --> $DIR/lint-const-item-mutation.rs:38:5 | LL | &mut MY_STRUCT; | ^^^^^^^^^^^^^^ @@ -72,7 +72,7 @@ LL | const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: taking a mutable reference to a `const` item - --> $DIR/lint-const-item-mutation.rs:38:5 + --> $DIR/lint-const-item-mutation.rs:39:5 | LL | (&mut MY_STRUCT).use_mut(); | ^^^^^^^^^^^^^^^^ @@ -86,7 +86,7 @@ LL | const MY_STRUCT: MyStruct = MyStruct { field: true, inner_array: ['a'], raw | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: attempting to modify a `const` item - --> $DIR/lint-const-item-mutation.rs:50:5 + --> $DIR/lint-const-item-mutation.rs:51:5 | LL | MUTABLE2.msg = "wow"; | ^^^^^^^^^^^^^^^^^^^^ |