1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/xflags-macros/tests/it/main.rs b/vendor/xflags-macros/tests/it/main.rs
index 7d77bda36..bee65b015 100644
--- a/vendor/xflags-macros/tests/it/main.rs
+++ b/vendor/xflags-macros/tests/it/main.rs
@@ -230,3 +230,73 @@ fn subcommand_flag_inheritance() {
         expect!["unexpected flag: `--dir`"],
     );
 }
+
+#[test]
+fn edge_cases() {
+    check(
+        subcommands::RustAnalyzer::from_vec,
+        "server --dir --log",
+        expect![[r#"
+            RustAnalyzer {
+                verbose: 0,
+                subcommand: Server(
+                    Server {
+                        dir: Some(
+                            "--log",
+                        ),
+                        subcommand: Launch(
+                            Launch {
+                                log: false,
+                            },
+                        ),
+                    },
+                ),
+            }
+        "#]],
+    );
+    check(
+        subcommands::RustAnalyzer::from_vec,
+        "server --dir -- --log",
+        expect![[r#"
+            RustAnalyzer {
+                verbose: 0,
+                subcommand: Server(
+                    Server {
+                        dir: Some(
+                            "--",
+                        ),
+                        subcommand: Launch(
+                            Launch {
+                                log: true,
+                            },
+                        ),
+                    },
+                ),
+            }
+        "#]],
+    );
+    check(
+        subcommands::RustAnalyzer::from_vec,
+        "-- -v server",
+        expect![[r#"unexpected argument: "-v""#]],
+    );
+    check(repeated_pos::RepeatedPos::from_vec, "pos 1 prog -j", expect!["unexpected flag: `-j`"]);
+    check(
+        repeated_pos::RepeatedPos::from_vec,
+        "pos 1 -- prog -j",
+        expect![[r#"
+            RepeatedPos {
+                a: "pos",
+                b: Some(
+                    1,
+                ),
+                c: Some(
+                    "prog",
+                ),
+                rest: [
+                    "-j",
+                ],
+            }
+        "#]],
+    );
+}