1 files changed, 144 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/needless_continue.rs b/src/tools/clippy/tests/ui/needless_continue.rs
new file mode 100644
index 000000000..f105d3d65
--- /dev/null
+++ b/src/tools/clippy/tests/ui/needless_continue.rs
@@ -0,0 +1,144 @@
+#![warn(clippy::needless_continue)]
+
+macro_rules! zero {
+    ($x:expr) => {
+        $x == 0
+    };
+}
+
+macro_rules! nonzero {
+    ($x:expr) => {
+        !zero!($x)
+    };
+}
+
+#[allow(clippy::nonminimal_bool)]
+fn main() {
+    let mut i = 1;
+    while i < 10 {
+        i += 1;
+
+        if i % 2 == 0 && i % 3 == 0 {
+            println!("{}", i);
+            println!("{}", i + 1);
+            if i % 5 == 0 {
+                println!("{}", i + 2);
+            }
+            let i = 0;
+            println!("bar {} ", i);
+        } else {
+            continue;
+        }
+
+        println!("bleh");
+        {
+            println!("blah");
+        }
+
+        // some comments that also should ideally be included in the
+        // output of the lint suggestion if possible.
+        if !(!(i == 2) || !(i == 5)) {
+            println!("lama");
+        }
+
+        if (zero!(i % 2) || nonzero!(i % 5)) && i % 3 != 0 {
+            continue;
+        } else {
+            println!("Blabber");
+            println!("Jabber");
+        }
+
+        println!("bleh");
+    }
+}
+
+fn simple_loop() {
+    loop {
+        continue; // should lint here
+    }
+}
+
+fn simple_loop2() {
+    loop {
+        println!("bleh");
+        continue; // should lint here
+    }
+}
+
+#[rustfmt::skip]
+fn simple_loop3() {
+    loop {
+        continue // should lint here
+    }
+}
+
+#[rustfmt::skip]
+fn simple_loop4() {
+    loop {
+        println!("bleh");
+        continue // should lint here
+    }
+}
+
+mod issue_2329 {
+    fn condition() -> bool {
+        unimplemented!()
+    }
+    fn update_condition() {}
+
+    // only the outer loop has a label
+    fn foo() {
+        'outer: loop {
+            println!("Entry");
+            while condition() {
+                update_condition();
+                if condition() {
+                    println!("foo-1");
+                } else {
+                    continue 'outer; // should not lint here
+                }
+                println!("foo-2");
+
+                update_condition();
+                if condition() {
+                    continue 'outer; // should not lint here
+                } else {
+                    println!("foo-3");
+                }
+                println!("foo-4");
+            }
+        }
+    }
+
+    // both loops have labels
+    fn bar() {
+        'outer: loop {
+            println!("Entry");
+            'inner: while condition() {
+                update_condition();
+                if condition() {
+                    println!("bar-1");
+                } else {
+                    continue 'outer; // should not lint here
+                }
+                println!("bar-2");
+
+                update_condition();
+                if condition() {
+                    println!("bar-3");
+                } else {
+                    continue 'inner; // should lint here
+                }
+                println!("bar-4");
+
+                update_condition();
+                if condition() {
+                    continue; // should lint here
+                } else {
+                    println!("bar-5");
+                }
+                println!("bar-6");
+            }
+        }
+    }
+}