| """Helper for TestStatusline.test_scripted_command_output_not_eaten. |
| |
| Registers a command that floods output while emitting progress events, so the |
| statusline redraws (on the event thread) concurrently with the command output. |
| """ |
| |
| import lldb |
| |
| |
| @lldb.command("statusline_flood") |
| def statusline_flood(debugger, command, result, internal_dict): |
| # The caller sets the count so the test can widen the flood and give the |
| # event thread a chance to redraw the statusline mid-output. The loop never |
| # sleeps: a redraw must be able to land between prints for a race to show. |
| count = int(command) if command.strip() else 50 |
| progress = lldb.SBProgress("flood", "working", count, debugger) |
| for i in range(count): |
| print("MARKER_{:04d}".format(i), flush=True) |
| progress.Increment(1, "step {}".format(i)) |
| progress.Finalize() |
