1 files changed, 121 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/similar_names.rs b/src/tools/clippy/tests/ui/similar_names.rs
new file mode 100644
index 000000000..c21225d15
--- /dev/null
+++ b/src/tools/clippy/tests/ui/similar_names.rs
@@ -0,0 +1,121 @@
+#![warn(clippy::similar_names)]
+#![allow(
+    unused,
+    clippy::println_empty_string,
+    clippy::empty_loop,
+    clippy::diverging_sub_expression,
+    clippy::let_unit_value
+)]
+
+struct Foo {
+    apple: i32,
+    bpple: i32,
+}
+
+fn main() {
+    let specter: i32;
+    let spectre: i32;
+
+    let apple: i32;
+
+    let bpple: i32;
+
+    let cpple: i32;
+
+    let a_bar: i32;
+    let b_bar: i32;
+    let c_bar: i32;
+
+    let items = [5];
+    for item in &items {
+        loop {}
+    }
+
+    let foo_x: i32;
+    let foo_y: i32;
+
+    let rhs: i32;
+    let lhs: i32;
+
+    let bla_rhs: i32;
+    let bla_lhs: i32;
+
+    let blubrhs: i32;
+    let blublhs: i32;
+
+    let blubx: i32;
+    let bluby: i32;
+
+    let cake: i32;
+    let cakes: i32;
+    let coke: i32;
+
+    match 5 {
+        cheese @ 1 => {},
+        rabbit => panic!(),
+    }
+    let cheese: i32;
+    match (42, 43) {
+        (cheese1, 1) => {},
+        (cheese2, 2) => panic!(),
+        _ => println!(""),
+    }
+    let ipv4: i32;
+    let ipv6: i32;
+    let abcd1: i32;
+    let abdc2: i32;
+    let xyz1abc: i32;
+    let xyz2abc: i32;
+    let xyzeabc: i32;
+
+    let parser: i32;
+    let parsed: i32;
+    let parsee: i32;
+
+    let setter: i32;
+    let getter: i32;
+    let tx1: i32;
+    let rx1: i32;
+    let tx_cake: i32;
+    let rx_cake: i32;
+
+    // names often used in win32 code (for example WindowProc)
+    let wparam: i32;
+    let lparam: i32;
+
+    let iter: i32;
+    let item: i32;
+}
+
+fn foo() {
+    let Foo { apple, bpple } = unimplemented!();
+    let Foo {
+        apple: spring,
+        bpple: sprang,
+    } = unimplemented!();
+}
+
+// false positive similar_names (#3057, #2651)
+// clippy claimed total_reg_src_size and total_size and
+// numb_reg_src_checkouts and total_bin_size were similar
+#[derive(Debug, Clone)]
+pub(crate) struct DirSizes {
+    pub(crate) total_size: u64,
+    pub(crate) numb_bins: u64,
+    pub(crate) total_bin_size: u64,
+    pub(crate) total_reg_size: u64,
+    pub(crate) total_git_db_size: u64,
+    pub(crate) total_git_repos_bare_size: u64,
+    pub(crate) numb_git_repos_bare_repos: u64,
+    pub(crate) numb_git_checkouts: u64,
+    pub(crate) total_git_chk_size: u64,
+    pub(crate) total_reg_cache_size: u64,
+    pub(crate) total_reg_src_size: u64,
+    pub(crate) numb_reg_cache_entries: u64,
+    pub(crate) numb_reg_src_checkouts: u64,
+}
+
+fn ignore_underscore_prefix() {
+    let hello: ();
+    let _hello: ();
+}