rpnifs/tests/tests_rpn_compile.py

102 lines
3.2 KiB
Python
Executable file

#!/usr/bin/python3
# Copyright 2020 Weber Yann
#
# This file is part of geneifs.
#
# geneifs 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 3 of the License, or
# (at your option) any later version.
#
# geneifs 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 geneifs. If not, see <http://www.gnu.org/licenses/>.
#
import sys
import random
import math
import pickle
import unittest
from unittest import skip
IMAX = (1<<64)-1
try:
import pyrpn
except (ImportError, NameError) as e:
print("Error importing pyrpn. Try to run make.",
file=sys.stderr)
raise e
from utils import Progress, VERBOSE
class TestRpnCompile(unittest.TestCase):
def test_basic(self):
""" Compile 6 7 * """
expr = pyrpn.RPNExpr("6 7 *", 2)
def test_base_error(self):
""" Compile error a b + """
with self.assertRaises(ValueError):
expr = pyrpn.RPNExpr("a b +", 3)
def test_various_compile(self):
""" Compile various expressions """
exprs = (("42 2 + * /", 0),
("A1 A2 A0 * + /", 3),
)
for expr, argc in exprs:
res = pyrpn.RPNExpr(expr, argc)
def test_long_code(self):
""" Compile longs expressions (from 256 to 65536 op )"""
for i in Progress(range(0x100,0x10000,0x500)):
with self.subTest('Testing expression with %X ops' % i):
for argc in range(1,32, 8):
args = [random.randint(0,IMAX) for _ in range(argc)]
expr = pyrpn.RPNExpr(pyrpn.random_expr(argc, i), argc)
del(expr)
def test_very_long(self):
""" Compile 3 very long expression (5242K op) """
argc = 4
codelen = 0x50000
import time
for i in Progress(3):
args = [random.randint(0,IMAX) for _ in range(argc)]
if VERBOSE:
sys.stderr.write('Generate')
sys.stderr.flush()
expr_str = pyrpn.random_expr(argc, codelen)
if VERBOSE:
sys.stderr.write('d Compile')
sys.stderr.flush()
expr = pyrpn.RPNExpr(expr_str, argc)
if VERBOSE:
sys.stderr.write('d ')
sys.stderr.flush()
del(expr)
def test_pickling(self):
""" Pickle & unpickle tests """
argc = 4
for _ in range(512):
expr = pyrpn.RPNExpr(pyrpn.random_expr(2,10), argc)
pik = pickle.dumps(expr)
new_expr = pickle.loads(pik)
self.assertEqual(str(expr), str(new_expr))
pik2 = pickle.dumps(new_expr)
args = [random.randint(0,IMAX) for _ in range(argc)]
self.assertEqual(expr.eval(*args), new_expr.eval(*args))
self.assertEqual(pik, pik2)
if __name__ == '__main__':
unittest.main()