Merge pull request #51 from oSoMoN/unit-tests-for-conflicting-output-style

sylvestre · web-flow · commit 9507ca28d7eb · 2024-04-06T08:47:53.000+02:00
Unit test to verify that conflicting output styles result in an error
diff --git a/src/params.rs b/src/params.rs
@@ -502,4 +502,15 @@ mod tests {
     fn empty() {
         assert!(parse_params([].iter().cloned()).is_err());
     }
+    #[test]
+    fn conflicting_output_styles() {
+        for (arg1, arg2) in [("-u", "-c"), ("-u", "-e"), ("-c", "-u"), ("-c", "-U42")] {
+            assert!(parse_params(
+                [os("diff"), os(arg1), os(arg2), os("foo"), os("bar")]
+                    .iter()
+                    .cloned()
+            )
+            .is_err());
+        }
+    }
 }
