================
@@ -0,0 +1,46 @@
+import lldb
+import re
+
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.lldbpexpect import PExpectTest
+
+
+class TestStatusline(PExpectTest):
+    def do_setup(self):
+        # Create a target and run to a breakpoint.
+        exe = self.getBuildArtifact("a.out")
+        self.expect(
+            "target create {}".format(exe), substrs=["Current executable set 
to"]
+        )
+        self.expect('breakpoint set -p "Break here"', substrs=["Breakpoint 1"])
+        self.expect("run", substrs=["stop reason"])
+
+    # PExpect uses many timeouts internally and doesn't play well
+    # under ASAN on a loaded machine..
+    @skipIfAsan
+    def test(self):
+        """Basic test for the statusline.
+
+        PExpect was designed for line-oriented output so we're limited in what
+        we can test.
+        """
+        self.build()
+        self.launch(timeout=3)
+        self.do_setup()
+
+        # Change the terminal dimensions.
+        self.child.setwinsize(10, 60)
+
+        # Enable the statusline and check that we can see the target, the
+        # location and the stop reason.
+        self.child.send("set set show-statusline true\n")
+        self.child.expect(
+            re.escape("a.out | main.c:4:15 | breakpoint 1.1                    
    ")
+        )
+
+        # Change the terminal dimensions.
+        self.child.setwinsize(10, 20)
+        self.child.send("set set show-statusline false\n")
+        self.child.send("set set show-statusline true\n")
----------------
labath wrote:

And the same here.

https://github.com/llvm/llvm-project/pull/121860
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