#!/usr/bin/env python3
# See LICENSE for licensing information.
#
# Copyright (c) 2016-2019 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
import unittest
from testutils import *
import sys, os

sys.path.append(os.getenv("OPENRAM_HOME"))
import globals
from globals import OPTS
from sram_factory import factory
import debug


# @unittest.skip("SKIPPING sram_wmask_1w_1r_func_test")
class sram_wmask_1w_1r_func_test(openram_test):

    def runTest(self):
        config_file = "{}/tests/configs/config".format(os.getenv("OPENRAM_HOME"))
        globals.init_openram(config_file)
        OPTS.analytical_delay = False
        OPTS.netlist_only = True
        OPTS.trim_netlist = False
        OPTS.bitcell = "bitcell_1w_1r"
        OPTS.replica_bitcell = "replica_bitcell_1w_1r"
        OPTS.dummy_bitcell = "dummy_bitcell_1w_1r"

        OPTS.num_rw_ports = 0
        OPTS.num_w_ports = 1
        OPTS.num_r_ports = 1

        # This is a hack to reload the characterizer __init__ with the spice version
        from importlib import reload
        import characterizer
        reload(characterizer)
        from characterizer import functional, delay
        from sram_config import sram_config
        c = sram_config(word_size=8,
                        num_words=16,
                        write_size=2,
                        num_banks=1)
        c.words_per_row = 1
        c.recompute_sizes()
        debug.info(1,
                   "Functional test for sram with {} bit words, {} words, {} words per row, {} bit writes, {} banks".format(
                       c.word_size,
                       c.num_words,
                       c.words_per_row,
                       c.write_size,
                       c.num_banks))
        s = factory.create(module_type="sram", sram_config=c)
        tempspice = OPTS.openram_temp + "sram.sp"
        s.sp_write(tempspice)

        corner = (OPTS.process_corners[0], OPTS.supply_voltages[0], OPTS.temperatures[0])
        f = functional(s.s, tempspice, corner)
        (fail, error) = f.run()
        self.assertTrue(fail, error)

        globals.end_openram()


# run the test from the command line
if __name__ == "__main__":
    (OPTS, args) = globals.parse_args()
    del sys.argv[1:]
    header(__file__, OPTS.tech_name)
    unittest.main(testRunner=debugTestRunner())