test-blif

A tool to simplyfy the circuit testing written for .blif files in SIS

Install:

sudo -H pip3 install testblif

currently only python3 is supported

Usage

Print this help:
$ test_blif.py -h

Print this full help:
$ test_blif.py --help

Run tests of single blif file:
$ test_blif.py filename.blif

Run tests on all .blif in the folder:
$ test_blif.py [-a|--all]

Tests

In order to add test to you blif file you can add comments in the following format directly in the file you want to test, suggested after the last ".end" Multiple test can be added to a single .blif to address multiple scenarios. Each test runs independently from the others in new instance of SIS.

Test format

#?# [Test_name_or_description]
# <inputs>|<expected_outputs>
# <inputs>|<expected_outputs>
# <inputs>|<expected_outputs>
#!#

Test examples

#?# Truth table OR
# 00 | 0
# 01 | 1
# 10 | 1
# 11 | 1
#!#

#?# 2 bit counter with overflow INC | OUT OVER
# 1 | 00 0
# 1 | 01 0
# 1 | 10 0
# 0 | 10 0
# 1 | 11 0
# 1 | 00 1
#!#

File example

.model MUX4
.inputs S A3 A2 A1 A0 B3 B2 B1 B0
.outputs OUT3 OUT2 OUT1 OUT0

.names S A3 B3 OUT3
11- 1
0-1 1

.names S A2 B2 OUT2
11- 1
0-1 1

.names S A1 B1 OUT1
11- 1
0-1 1

.names S A0 B0 OUT0
11- 1
0-1 1

.end


#?# MUX4: S A B | OUT
# 0 1110 0010 | 0010
# 1 1110 1010 | 1110
# 0 0101 0110 | 1110
# 1 0110 0010 | 0110
# 0 1010 0010 | 0010
#!#

#?# MUX4: S A B | OUT
# 0 0101 0110 | 1110
# 0 0110 0010 | 0010
# 0 1010 0010 | 0010
# 1 1010 0010 | 1010
# 1 1110 1010 | 1110
#!#