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-rw-r--r--tests/ui/or-patterns/lazy-and-or.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/or-patterns/lazy-and-or.rs b/tests/ui/or-patterns/lazy-and-or.rs
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index 00000000000..3d69553132b
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+++ b/tests/ui/or-patterns/lazy-and-or.rs
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+//@ run-pass
+// This test verifies the short-circuiting behavior of logical operators `||` and `&&`.
+// It ensures that the right-hand expression is not evaluated when the left-hand
+// expression is sufficient to determine the result.
+
+fn would_panic_if_called(x: &mut isize) -> bool {
+    *x += 1;
+    assert!(false, "This function should never be called due to short-circuiting");
+    false
+}
+
+fn main() {
+    let x = 1 == 2 || 3 == 3;
+    assert!(x);
+
+    let mut y: isize = 10;
+    println!("Result of short-circuit: {}", x || would_panic_if_called(&mut y));
+    assert_eq!(y, 10, "y should remain 10 if short-circuiting works correctly");
+
+    if true && x {
+        assert!(true);
+    } else {
+        assert!(false, "This branch should not be reached");
+    }
+}