1 files changed, 15 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/init/unknown_flags/mod.rs b/src/tools/cargo/tests/testsuite/init/unknown_flags/mod.rs
new file mode 100644
index 000000000..4289b4b9e
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/init/unknown_flags/mod.rs
@@ -0,0 +1,15 @@
+use cargo_test_support::paths;
+use cargo_test_support::prelude::*;
+
+use cargo_test_support::curr_dir;
+
+#[cargo_test]
+fn case() {
+    snapbox::cmd::Command::cargo_ui()
+        .arg_line("init foo --flag")
+        .current_dir(paths::root())
+        .assert()
+        .code(1)
+        .stdout_matches_path(curr_dir!().join("stdout.log"))
+        .stderr_matches_path(curr_dir!().join("stderr.log"));
+}