Fix recursive macro invocation (#66)

Close #64. Signed-off-by: slinkydeveloper <[email protected]>
tikv · Oct 3, 2022 · b57c593 · b57c593
1 parent 6645f17
commit b57c593
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diff --git a/src/lib.rs b/src/lib.rs
@@ -838,7 +838,7 @@ macro_rules! fail_point {
     }};
     ($name:expr, $cond:expr, $e:expr) => {{
         if $cond {
-            fail_point!($name, $e);
+            $crate::fail_point!($name, $e);
         }
     }};
 }

diff --git a/tests/no_use_import.rs b/tests/no_use_import.rs
@@ -0,0 +1,20 @@
+// Copyright 2022 TiKV Project Authors. Licensed under Apache-2.0.
+
+use std::*;
+
+#[test]
+#[cfg_attr(not(feature = "failpoints"), ignore)]
+fn test_return() {
+    let f = || {
+        fail::fail_point!("return", |s: Option<String>| s
+            .map_or(2, |s| s.parse().unwrap()));
+        0
+    };
+    assert_eq!(f(), 0);
+
+    fail::cfg("return", "return(1000)").unwrap();
+    assert_eq!(f(), 1000);
+
+    fail::cfg("return", "return").unwrap();
+    assert_eq!(f(), 2);
+}