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✅ Place demon

CategoryAbility
StatusPassing
Testtests/test_game_state.py::test_place_demon

PRECONDITIONS:

Preconditions​

  • Empty game state

Action​

  • Call place_demon(state, demon).

Expected Postconditions​

  • Returned state has len(state.demons) == 1.

  • The placed demon's instance_id == 1.

  • state.next_instance_id == 2 (incremented after placement).

  • Original state is NOT mutated (demons still []).

Assertions​

assert len(state1.demons) == 1
    assert state1.demons[0].instance_id == 1
    assert len(original.demons) == 0