1 files changed, 109 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/infinite_iter.stderr b/src/tools/clippy/tests/ui/infinite_iter.stderr
new file mode 100644
index 000000000..ba277e363
--- /dev/null
+++ b/src/tools/clippy/tests/ui/infinite_iter.stderr
@@ -0,0 +1,109 @@
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:9:5
+   |
+LL |     repeat(0_u8).collect::<Vec<_>>(); // infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/infinite_iter.rs:7:8
+   |
+LL | #[deny(clippy::infinite_iter)]
+   |        ^^^^^^^^^^^^^^^^^^^^^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:10:5
+   |
+LL |     (0..8_u32).take_while(square_is_lower_64).cycle().count(); // infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:11:5
+   |
+LL |     (0..8_u64).chain(0..).max(); // infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:16:5
+   |
+LL | /     (0..8_u32)
+LL | |         .rev()
+LL | |         .cycle()
+LL | |         .map(|x| x + 1_u32)
+LL | |         .for_each(|x| println!("{}", x)); // infinite iter
+   | |________________________________________^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:22:5
+   |
+LL |     (0_usize..).flat_map(|x| 0..x).product::<usize>(); // infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:23:5
+   |
+LL |     (0_u64..).filter(|x| x % 2 == 0).last(); // infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:30:5
+   |
+LL |     (0..).zip((0..).take_while(square_is_lower_64)).count(); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/infinite_iter.rs:28:8
+   |
+LL | #[deny(clippy::maybe_infinite_iter)]
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:31:5
+   |
+LL |     repeat(42).take_while(|x| *x == 42).chain(0..42).max(); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:32:5
+   |
+LL | /     (1..)
+LL | |         .scan(0, |state, x| {
+LL | |             *state += x;
+LL | |             Some(*state)
+LL | |         })
+LL | |         .min(); // maybe infinite iter
+   | |______________^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:38:5
+   |
+LL |     (0..).find(|x| *x == 24); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:39:5
+   |
+LL |     (0..).position(|x| x == 24); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:40:5
+   |
+LL |     (0..).any(|x| x == 24); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error: possible infinite iteration detected
+  --> $DIR/infinite_iter.rs:41:5
+   |
+LL |     (0..).all(|x| x == 24); // maybe infinite iter
+   |     ^^^^^^^^^^^^^^^^^^^^^^
+
+error: infinite iteration detected
+  --> $DIR/infinite_iter.rs:63:31
+   |
+LL |         let _: HashSet<i32> = (0..).collect(); // Infinite iter
+   |                               ^^^^^^^^^^^^^^^
+   |
+   = note: `#[deny(clippy::infinite_iter)]` on by default
+
+error: aborting due to 14 previous errors
+