Generate deprecated lints test

Author: Jarcho

clippy_dev/src/update_lints.rs

@@ -107,6 +107,9 @@ pub fn run(update_mode: UpdateMode) {
             &content,
         );
     }
+
+    let content = gen_deprecated_lints_test(&deprecated_lints);
+    process_file("tests/ui/deprecated.rs", update_mode, &content);
 }
 
 pub fn print_lints() {
@@ -276,6 +279,15 @@ fn gen_register_lint_list<'a>(
     output
 }
 
+fn gen_deprecated_lints_test(lints: &[DeprecatedLint]) -> String {
+    let mut res: String = GENERATED_FILE_COMMENT.into();
+    for lint in lints {
+        writeln!(res, "#![warn(clippy::{})]", lint.name).unwrap();
+    }
+    res.push_str("\nfn main() {}\n");
+    res
+}
+
 /// Gathers all lints defined in `clippy_lints/src`
 fn gather_all() -> (Vec<Lint>, Vec<DeprecatedLint>) {
     let mut lints = Vec::with_capacity(1000);

tests/ui/deprecated.rs

@@ -1,3 +1,7 @@
+// This file was generated by `cargo dev update_lints`.
+// Use that command to update this file and do not edit by hand.
+// Manual edits will be overwritten.
+
 #![warn(clippy::should_assert_eq)]
 #![warn(clippy::extend_from_slice)]
 #![warn(clippy::range_step_by_zero)]

tests/ui/deprecated.stderr

@@ -1,97 +1,97 @@
 error: lint `clippy::should_assert_eq` has been removed: `assert!()` will be more flexible with RFC 2011
-  --> $DIR/deprecated.rs:1:9
+  --> $DIR/deprecated.rs:5:9
    |
 LL | #![warn(clippy::should_assert_eq)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `-D renamed-and-removed-lints` implied by `-D warnings`
 
 error: lint `clippy::extend_from_slice` has been removed: `.extend_from_slice(_)` is a faster way to extend a Vec by a slice
-  --> $DIR/deprecated.rs:2:9
+  --> $DIR/deprecated.rs:6:9
    |
 LL | #![warn(clippy::extend_from_slice)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::range_step_by_zero` has been removed: `iterator.step_by(0)` panics nowadays
-  --> $DIR/deprecated.rs:3:9
+  --> $DIR/deprecated.rs:7:9
    |
 LL | #![warn(clippy::range_step_by_zero)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::unstable_as_slice` has been removed: `Vec::as_slice` has been stabilized in 1.7
-  --> $DIR/deprecated.rs:4:9
+  --> $DIR/deprecated.rs:8:9
    |
 LL | #![warn(clippy::unstable_as_slice)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::unstable_as_mut_slice` has been removed: `Vec::as_mut_slice` has been stabilized in 1.7
-  --> $DIR/deprecated.rs:5:9
+  --> $DIR/deprecated.rs:9:9
    |
 LL | #![warn(clippy::unstable_as_mut_slice)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::misaligned_transmute` has been removed: this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr
-  --> $DIR/deprecated.rs:6:9
+  --> $DIR/deprecated.rs:10:9
    |
 LL | #![warn(clippy::misaligned_transmute)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::assign_ops` has been removed: using compound assignment operators (e.g., `+=`) is harmless
-  --> $DIR/deprecated.rs:7:9
+  --> $DIR/deprecated.rs:11:9
    |
 LL | #![warn(clippy::assign_ops)]
    |         ^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::if_let_redundant_pattern_matching` has been removed: this lint has been changed to redundant_pattern_matching
-  --> $DIR/deprecated.rs:8:9
+  --> $DIR/deprecated.rs:12:9
    |
 LL | #![warn(clippy::if_let_redundant_pattern_matching)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::unsafe_vector_initialization` has been removed: the replacement suggested by this lint had substantially different behavior
-  --> $DIR/deprecated.rs:9:9
+  --> $DIR/deprecated.rs:13:9
    |
 LL | #![warn(clippy::unsafe_vector_initialization)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::unused_collect` has been removed: `collect` has been marked as #[must_use] in rustc and that covers all cases of this lint
-  --> $DIR/deprecated.rs:10:9
+  --> $DIR/deprecated.rs:14:9
    |
 LL | #![warn(clippy::unused_collect)]
    |         ^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::replace_consts` has been removed: associated-constants `MIN`/`MAX` of integers are preferred to `{min,max}_value()` and module constants
-  --> $DIR/deprecated.rs:11:9
+  --> $DIR/deprecated.rs:15:9
    |
 LL | #![warn(clippy::replace_consts)]
    |         ^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::regex_macro` has been removed: the regex! macro has been removed from the regex crate in 2018
-  --> $DIR/deprecated.rs:12:9
+  --> $DIR/deprecated.rs:16:9
    |
 LL | #![warn(clippy::regex_macro)]
    |         ^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::find_map` has been removed: this lint has been replaced by `manual_find_map`, a more specific lint
-  --> $DIR/deprecated.rs:13:9
+  --> $DIR/deprecated.rs:17:9
    |
 LL | #![warn(clippy::find_map)]
    |         ^^^^^^^^^^^^^^^^
 
 error: lint `clippy::filter_map` has been removed: this lint has been replaced by `manual_filter_map`, a more specific lint
-  --> $DIR/deprecated.rs:14:9
+  --> $DIR/deprecated.rs:18:9
    |
 LL | #![warn(clippy::filter_map)]
    |         ^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::pub_enum_variant_names` has been removed: set the `avoid-breaking-exported-api` config option to `false` to enable the `enum_variant_names` lint for public items
-  --> $DIR/deprecated.rs:15:9
+  --> $DIR/deprecated.rs:19:9
    |
 LL | #![warn(clippy::pub_enum_variant_names)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: lint `clippy::wrong_pub_self_convention` has been removed: set the `avoid-breaking-exported-api` config option to `false` to enable the `wrong_self_convention` lint for public items
-  --> $DIR/deprecated.rs:16:9
+  --> $DIR/deprecated.rs:20:9
    |
 LL | #![warn(clippy::wrong_pub_self_convention)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^