File size: 5,168 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | #!/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 timing_data import TimingData
class TimingDataTest(unittest.TestCase):
"""Unit test for TimingData class"""
def setUp(self):
pass
def check_caps_loads(self, timing_data, input_cap):
self.assertEqual(timing_data.get_input_cap(), input_cap)
self.assertEqual(timing_data.get_min_driver_input_cap(), input_cap)
min_load = timing_data.get_min_load()
max_load = timing_data.get_max_load()
self.assertEqual(min_load, input_cap)
self.assertEqual(max_load, input_cap * 100)
self.assertEqual(
timing_data.get_load_indices_str(), f"{min_load:.3f}, {max_load:.3f}"
)
def check_fo4_vals(self, timing_data, fo4_ps):
self.assertEqual(timing_data.get_fo4_ps(), fo4_ps)
self.assertEqual(timing_data.get_fo4(), fo4_ps * 1e-3)
min_slew = timing_data.get_min_slew()
max_slew = timing_data.get_max_slew()
self.assertEqual(min_slew, fo4_ps * 1e-3)
self.assertEqual(max_slew, fo4_ps * 1e-3 * 25)
self.assertEqual(
timing_data.get_slew_indices_str(), f"{min_slew:.3f}, {max_slew:.3f}"
)
def check_leakage_vals(self, timing_data, mw_val):
self.assertEqual(timing_data.get_leakage_power_per_bank(), mw_val)
self.assertEqual(timing_data.get_leakage_power(), mw_val * 1e3)
def check_pin_dynamic_power_vals(self, timing_data, mw_val):
self.assertEqual(timing_data.get_clkpin_dynamic_power(), mw_val * 1e3)
self.assertEqual(timing_data.get_pin_dynamic_power(), mw_val * 1e1)
self.assertEqual(timing_data.get_pin_dynamic_power_mw(), mw_val)
def test_asap7(self):
"""Tests process fields based on asap7 defaults"""
timing_data = TimingData(None)
self.assertIsNotNone(timing_data)
self.assertEqual(
timing_data.get_setup_time(), timing_data._asap7_defaults["t_setup_ns"]
)
self.assertEqual(
timing_data.get_hold_time(), timing_data._asap7_defaults["t_hold_ns"]
)
self.assertEqual(
timing_data.get_access_time(), timing_data._asap7_defaults["access_time_ns"]
)
self.assertEqual(
timing_data.get_cycle_time(), timing_data._asap7_defaults["cycle_time_ns"]
)
self.check_leakage_vals(
timing_data, timing_data._asap7_defaults["standby_leakage_per_bank_mW"]
)
self.check_pin_dynamic_power_vals(
timing_data, timing_data._asap7_defaults["pin_dynamic_power_mW"]
)
self.check_caps_loads(timing_data, timing_data._asap7_defaults["cap_input_pf"])
self.check_fo4_vals(timing_data, timing_data._asap7_defaults["fo4_ps"])
def test_full_override(self):
"""Tests when all input values are overridden"""
new_data = {
"t_setup_ns": 0.99,
"t_hold_ns": 0.123,
"standby_leakage_per_bank_mW": 0.456,
"access_time_ns": 0.9745,
"pin_dynamic_power_mW": 3.1415,
"cap_input_pf": 0.009,
"cycle_time_ns": 0.664,
"fo4_ps": 10.0,
}
timing_data = TimingData(new_data)
self.assertIsNotNone(timing_data)
self.assertEqual(timing_data.get_setup_time(), new_data["t_setup_ns"])
self.assertEqual(timing_data.get_hold_time(), new_data["t_hold_ns"])
self.assertEqual(timing_data.get_access_time(), new_data["access_time_ns"])
self.assertEqual(timing_data.get_cycle_time(), new_data["cycle_time_ns"])
self.check_leakage_vals(timing_data, new_data["standby_leakage_per_bank_mW"])
self.check_pin_dynamic_power_vals(timing_data, new_data["pin_dynamic_power_mW"])
self.check_caps_loads(timing_data, new_data["cap_input_pf"])
self.check_fo4_vals(timing_data, new_data["fo4_ps"])
def test_partial_override(self):
"""Tests when only some of the values are overridden"""
new_data = {
"t_setup_ns": 0.99,
"t_hold_ns": 0.123,
}
timing_data = TimingData(new_data)
self.assertIsNotNone(timing_data)
self.assertEqual(timing_data.get_setup_time(), new_data["t_setup_ns"])
self.assertEqual(timing_data.get_hold_time(), new_data["t_hold_ns"])
self.assertEqual(
timing_data.get_access_time(), timing_data._asap7_defaults["access_time_ns"]
)
self.assertEqual(
timing_data.get_cycle_time(), timing_data._asap7_defaults["cycle_time_ns"]
)
self.check_leakage_vals(
timing_data, timing_data._asap7_defaults["standby_leakage_per_bank_mW"]
)
self.check_pin_dynamic_power_vals(
timing_data, timing_data._asap7_defaults["pin_dynamic_power_mW"]
)
self.check_caps_loads(timing_data, timing_data._asap7_defaults["cap_input_pf"])
self.check_fo4_vals(timing_data, timing_data._asap7_defaults["fo4_ps"])
if __name__ == "__main__":
unittest.main()
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