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36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
from panda3d.core import ModifierButtons
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def test_modifierbuttons_empty():
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# Tests the initial state of a ModifierButtons object.
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btns = ModifierButtons()
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assert btns == ModifierButtons(btns)
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assert btns != ModifierButtons()
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assert btns.matches(ModifierButtons())
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assert not btns.is_down("alt")
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assert not btns.is_any_down()
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assert not btns.has_button("alt")
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assert btns.get_prefix() == ""
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assert btns.get_num_buttons() == 0
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assert len(btns.buttons) == 0
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def test_modifierbuttons_cow():
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# Tests the copy-on-write mechanism of the button list.
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btns1 = ModifierButtons()
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btns1.add_button("space")
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# Modifying original should not affect copy
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btns2 = ModifierButtons(btns1)
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assert tuple(btns2.buttons) == tuple(btns1.buttons)
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btns1.add_button("enter")
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assert tuple(btns1.buttons) == ("space", "enter")
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assert tuple(btns2.buttons) == ("space",)
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# Modifying copy should not affect original
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btns3 = ModifierButtons(btns2)
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assert tuple(btns3.buttons) == tuple(btns2.buttons)
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btns3.add_button("escape")
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assert tuple(btns2.buttons) == ("space",)
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assert tuple(btns3.buttons) == ("space", "escape")
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