This gist compares the MIPS language program created by your own Asm.java with the one created by binasm and see if they are the same. Used for testing purposes.

cs241-binasm-test-framework.py

import os
import fnmatch
import subprocess
import sys
import getopt

print("CS241 A3 A4 Automated Python Test Framework")
print("Compiling Asm...")
subprocess.call(["javac", "Asm.java"])

asm_files = os.listdir('.')
asm_files = fnmatch.filter(asm_files, '*.asm')
print("The following test cases will be run against cs241.binasm")
print(asm_files)

print('\n')
for asm_file in asm_files:
	try:
		os.remove('test.mips')
		os.remove('test2.mips')
		os.remove('asm_xxd_out.hex')
		os.remove('binasm_xxd_out.hex')
	except OSError:
		pass

	mips_out = open('test.mips', 'wb+')
	binasm_mips_out = open('test2.mips', 'wb+')
	asm_xxd_out = open('asm_xxd_out.hex', 'wb+')
	binasm_xxd_out = open('binasm_xxd_out.hex', 'wb+')

	print("Testing with " + str(asm_file))
	with open(asm_file, 'r') as test_case:
		subprocess.call(["java", "cs241.binasm"], stdin=test_case, stdout=binasm_mips_out)
		subprocess.call(["xxd", "test2.mips"], stdout=binasm_xxd_out)
	with open(asm_file, 'r') as test_case:
		subprocess.call(["java", "Asm"], stdin=test_case, stdout=mips_out)
		subprocess.call(["xxd", "test.mips"], stdout=asm_xxd_out)
	subprocess.call(["diff", "-s", "asm_xxd_out.hex", "binasm_xxd_out.hex"])
	print('\n')

try:
	os.remove('test.mips')
	os.remove('test2.mips')
	os.remove('asm_xxd_out.hex')
	os.remove('binasm_xxd_out.hex')
except OSError:
	pass