File size: 3,933 Bytes
784ee2c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | #!/usr/bin/env python3
import os
import sys
import unittest
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "utils")))
from class_process import Process
from test_utils import TestUtils
class MacroDimTest(unittest.TestCase):
"""Unit test for get_macro_dimensions method"""
def setUp(self):
"""Sets up process object used by test methods"""
self._process = Process(TestUtils.get_base_process_data())
# delta for use when comparing floats
self._delta = 0.01
def test_macro_dim(self):
"""
Tests basic macro dimension calculation based on three bank
configurations
"""
banks = [1, 2, 4]
base_height = 663.552
base_width = 5.054
for num_banks in banks:
sram_data = {
"width": 39,
"depth": 2048,
"banks": num_banks,
}
width, height = self._process.get_macro_dimensions(
sram_data["width"], sram_data["depth"], sram_data["banks"], 0
)
exp_height = base_height / num_banks
exp_width = base_width * num_banks
self.assertFalse(self._process.has_defined_bitcell_size())
self.assertAlmostEqual(height, exp_height, delta=self._delta)
self.assertAlmostEqual(width, exp_width, delta=self._delta)
def test_macro_dim_add_height(self):
"""
Tests basic macro dimension calculation based on three bank
configurations
"""
banks = [1, 2, 4]
base_height = 663.552
base_width = 5.054
for num_banks in banks:
sram_data = {
"width": 39,
"depth": 2048,
"banks": num_banks,
"additional_height": 10,
}
width, height = self._process.get_macro_dimensions(
sram_data["width"],
sram_data["depth"],
sram_data["banks"],
sram_data["additional_height"],
)
exp_height = (base_height / num_banks) + sram_data["additional_height"]
exp_width = base_width * num_banks
self.assertFalse(self._process.has_defined_bitcell_size())
self.assertAlmostEqual(height, exp_height, delta=self._delta)
self.assertAlmostEqual(width, exp_width, delta=self._delta)
def test_macro_dim_invalid_banks(self):
"""Tests detection that an invalid bank value was given"""
sram_data = {
"width": 39,
"depth": 2048,
"banks": 8,
}
with self.assertRaises(Exception):
width, height = self._process.get_macro_dimensions(
sram_data["width"], sram_data["depth"], sram_data["banks"], 0
)
def test_macro_dim_bitcell_override(self):
"""Tests when bitcell dimensions are provided"""
process_data = TestUtils.get_base_process_data().copy()
process_data["bitcell_width_um"] = 123.0
process_data["bitcell_height_um"] = 456.0
process = Process(process_data)
sram_data = {
"width": 32,
"depth": 256,
"banks": 1,
}
exp_width = 4723.2
exp_height = 140083.2
width, height = process.get_macro_dimensions(
sram_data["width"], sram_data["depth"], sram_data["banks"], 0
)
self.assertTrue(process.has_defined_bitcell_size())
bitcell_width, bitcell_height = process.get_bitcell_dimensions()
self.assertEqual(bitcell_width, process_data["bitcell_width_um"])
self.assertEqual(bitcell_height, process_data["bitcell_height_um"])
self.assertAlmostEqual(width, exp_width, delta=self._delta)
self.assertAlmostEqual(height, exp_height, delta=self._delta)
if __name__ == "__main__":
unittest.main()
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