[
 {"call":"ui.prefs","params":{"look_at_anim":false}},
 {"call":"engine.execute","params":{"command":"sketch.create","params":{"plane":"XY"}}},
 {"call":"engine.execute","params":{"command":"sketch.line","params":{"points":[[-30,10],[-15,10]]}}},
 {"call":"engine.execute","params":{"command":"sketch.line","params":{"points":[[-15,10],[-15,25]]}}},
 {"call":"engine.execute","params":{"command":"sketch.line","params":{"points":[[0,-10],[0,40]],"construction":true}}},
 {"call":"ui.view","params":{"view":"top"}},
 {"start":"sketch.mirror"},
 {"expect":{"dialog":"SketchModify(Mirror)","tool":null}},
 {"click":{"sketch":[-22.5,10]}},
 {"click":{"sketch":[-15,17.5]}},
 {"click":{"sketch":[-22.5,10]},"ctrl":true},
 {"click":{"sketch":[-22.5,10]},"ctrl":true},
 {"call":"ui.dialogInput","params":{"index":1}},
 {"click":{"sketch":[0,20]}},
 {"until":{"count":{"name":"sketch_preview_curves","value":2}}},
 {"expect":{"sketch_curves":{"own":3}}},
 {"click":{"handle":"dialog:clear:Mirror line"}},
 {"click":{"sketch":[0,20]}},
 {"until":{"count":{"name":"sketch_preview_curves","value":2}}},
 {"click":{"handle":"dialog:OK"}},
 {"expect":{"dialog":null,"sketch_curves":{"own":5},"errors":0}},
 {"call":"engine.execute","params":{"command":"edit.undo","params":{}}},
 {"expect":{"sketch_curves":{"own":3},"errors":0}}
]