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# Regina - A Normal Surface Theory Calculator
# Python Test Suite Component
#
# Copyright (c) 2007-2025, Ben Burton
# For further details contact Ben Burton (bab@debian.org).
#
# Provides small miscellaneous tests to ensure that things are up and running.
#
# This file is a single component of Regina's python test suite. To run
# the python test suite, move to the main python directory in the source
# tree and run "make check".
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# As an exception, when this program is distributed through (i) the
# App Store by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or
# (iii) Google Play by Google Inc., then that store may impose any
# digital rights management, device limits and/or redistribution
# restrictions that are required by its terms of service.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# The most trivial test: can we talk to the calculation engine at all?
print(regina.testEngine(3))
# Some slightly less trivial tests.
t = Example3.lens(5, 1)
print(t.homology())
# Does equality work correctly?
a = Perm4(2,3)
b = Perm4()
c = Perm4(2,3)
print(a == c, a == b, b == c)
print(a != c, a != b, b != c)
t = regina.Example3.poincare()
a = t.tetrahedron(0)
b = t.tetrahedron(1)
c = t.tetrahedron(0)
print(a == c, a == b, b == c)
print(a != c, a != b, b != c)
# Have we clobbered python's builtin open() function?
print(open)
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