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File: C:/Users/fred/anaconda3/Lib/site-packages/pandas/tests/indexes/period/methods/test_is_full.py

import pytest

from pandas import PeriodIndex


def test_is_full():
    index = PeriodIndex([2005, 2007, 2009], freq="Y")
    assert not index.is_full

    index = PeriodIndex([2005, 2006, 2007], freq="Y")
    assert index.is_full

    index = PeriodIndex([2005, 2005, 2007], freq="Y")
    assert not index.is_full

    index = PeriodIndex([2005, 2005, 2006], freq="Y")
    assert index.is_full

    index = PeriodIndex([2006, 2005, 2005], freq="Y")
    with pytest.raises(ValueError, match="Index is not monotonic"):
        index.is_full

    assert index[:0].is_full