UI test cleanup: Extract match_overlapping_arm tests

tests/ui/match_overlapping_arm.rs

@@ -0,0 +1,75 @@
+// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(exclusive_range_pattern)]
+#![warn(clippy::match_overlapping_arm)]
+#![allow(clippy::redundant_pattern_matching)]
+
+/// Tests for match_overlapping_arm
+
+fn overlapping() {
+    const FOO : u64 = 2;
+
+    match 42 {
+        0 ... 10 => println!("0 ... 10"),
+        0 ... 11 => println!("0 ... 11"),
+        _ => (),
+    }
+
+    match 42 {
+        0 ... 5 => println!("0 ... 5"),
+        6 ... 7 => println!("6 ... 7"),
+        FOO ... 11 => println!("0 ... 11"),
+        _ => (),
+    }
+
+    match 42 {
+        2 => println!("2"),
+        0 ... 5 => println!("0 ... 5"),
+        _ => (),
+    }
+
+    match 42 {
+        2 => println!("2"),
+        0 ... 2 => println!("0 ... 2"),
+        _ => (),
+    }
+
+    match 42 {
+        0 ... 10 => println!("0 ... 10"),
+        11 ... 50 => println!("11 ... 50"),
+        _ => (),
+    }
+
+    match 42 {
+        2 => println!("2"),
+        0 .. 2 => println!("0 .. 2"),
+        _ => (),
+    }
+
+    match 42 {
+        0 .. 10 => println!("0 .. 10"),
+        10 .. 50 => println!("10 .. 50"),
+        _ => (),
+    }
+
+    match 42 {
+        0 .. 11 => println!("0 .. 11"),
+        0 ... 11 => println!("0 ... 11"),
+        _ => (),
+    }
+
+    if let None = Some(42) {
+        // nothing
+    } else if let None = Some(42) {
+        // another nothing :-)
+    }
+}
+
+fn main() {}

tests/ui/match_overlapping_arm.stderr

@@ -0,0 +1,63 @@
+error: some ranges overlap
+  --> $DIR/match_overlapping_arm.rs:20:9
+   |
+20 |         0 ... 10 => println!("0 ... 10"),
+   |         ^^^^^^^^
+   |
+   = note: `-D clippy::match-overlapping-arm` implied by `-D warnings`
+note: overlaps with this
+  --> $DIR/match_overlapping_arm.rs:21:9
+   |
+21 |         0 ... 11 => println!("0 ... 11"),
+   |         ^^^^^^^^
+
+error: some ranges overlap
+  --> $DIR/match_overlapping_arm.rs:26:9
+   |
+26 |         0 ... 5 => println!("0 ... 5"),
+   |         ^^^^^^^
+   |
+note: overlaps with this
+  --> $DIR/match_overlapping_arm.rs:28:9
+   |
+28 |         FOO ... 11 => println!("0 ... 11"),
+   |         ^^^^^^^^^^
+
+error: some ranges overlap
+  --> $DIR/match_overlapping_arm.rs:34:9
+   |
+34 |         0 ... 5 => println!("0 ... 5"),
+   |         ^^^^^^^
+   |
+note: overlaps with this
+  --> $DIR/match_overlapping_arm.rs:33:9
+   |
+33 |         2 => println!("2"),
+   |         ^
+
+error: some ranges overlap
+  --> $DIR/match_overlapping_arm.rs:40:9
+   |
+40 |         0 ... 2 => println!("0 ... 2"),
+   |         ^^^^^^^
+   |
+note: overlaps with this
+  --> $DIR/match_overlapping_arm.rs:39:9
+   |
+39 |         2 => println!("2"),
+   |         ^
+
+error: some ranges overlap
+  --> $DIR/match_overlapping_arm.rs:63:9
+   |
+63 |         0 .. 11 => println!("0 .. 11"),
+   |         ^^^^^^^
+   |
+note: overlaps with this
+  --> $DIR/match_overlapping_arm.rs:64:9
+   |
+64 |         0 ... 11 => println!("0 ... 11"),
+   |         ^^^^^^^^
+
+error: aborting due to 5 previous errors
+

tests/ui/matches.rs

@@ -74,65 +74,6 @@ fn ref_pats() {
     }
 }
 
-fn overlapping() {
-    const FOO : u64 = 2;
-
-    match 42 {
-        0 ... 10 => println!("0 ... 10"),
-        0 ... 11 => println!("0 ... 11"),
-        _ => (),
-    }
-
-    match 42 {
-        0 ... 5 => println!("0 ... 5"),
-        6 ... 7 => println!("6 ... 7"),
-        FOO ... 11 => println!("0 ... 11"),
-        _ => (),
-    }
-
-    match 42 {
-        2 => println!("2"),
-        0 ... 5 => println!("0 ... 5"),
-        _ => (),
-    }
-
-    match 42 {
-        2 => println!("2"),
-        0 ... 2 => println!("0 ... 2"),
-        _ => (),
-    }
-
-    match 42 {
-        0 ... 10 => println!("0 ... 10"),
-        11 ... 50 => println!("11 ... 50"),
-        _ => (),
-    }
-
-    match 42 {
-        2 => println!("2"),
-        0 .. 2 => println!("0 .. 2"),
-        _ => (),
-    }
-
-    match 42 {
-        0 .. 10 => println!("0 .. 10"),
-        10 .. 50 => println!("10 .. 50"),
-        _ => (),
-    }
-
-    match 42 {
-        0 .. 11 => println!("0 .. 11"),
-        0 ... 11 => println!("0 ... 11"),
-        _ => (),
-    }
-
-    if let None = Some(42) {
-        // nothing
-    } else if let None = Some(42) {
-        // another nothing :-)
-    }
-}
-
 fn match_wild_err_arm() {
     let x: Result<i32, &str> = Ok(3);