test B A in concat test

metaborg · Nov 20, 2023 · fa9dbd7 · fa9dbd7
1 parent 8361f47
commit fa9dbd7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/scopegraphs/tests/test_regex.rs b/scopegraphs/tests/test_regex.rs
@@ -29,6 +29,7 @@ fn test_concat() {
     compile_regex!(type Machine<Alphabet> = A B);
 
     assert!(Machine::new().accepts([A, B]));
+    assert!(!Machine::new().accepts([B, A]));
     assert!(!Machine::new().accepts([]));
     assert!(!Machine::new().accepts([A]));
     assert!(!Machine::new().accepts([A, B, C]));