1 files changed, 10 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/suspicious_command_arg_space.rs b/src/tools/clippy/tests/ui/suspicious_command_arg_space.rs
new file mode 100644
index 000000000..bdc6113a2
--- /dev/null
+++ b/src/tools/clippy/tests/ui/suspicious_command_arg_space.rs
@@ -0,0 +1,10 @@
+fn main() {
+    // Things it should warn about:
+    std::process::Command::new("echo").arg("-n hello").spawn().unwrap();
+    std::process::Command::new("cat").arg("--number file").spawn().unwrap();
+
+    // Things it should not warn about:
+    std::process::Command::new("echo").arg("hello world").spawn().unwrap();
+    std::process::Command::new("a").arg("--fmt=%a %b %c").spawn().unwrap();
+    std::process::Command::new("b").arg("-ldflags=-s -w").spawn().unwrap();
+}