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test_assembler.py
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test_assembler.py
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from toolkit import *
import unittest
class TestToolkit(unittest.TestCase):
def test_trim_end_space(self):
self.assertEqual(trimEndSpace("test "), "test")
self.assertEqual(trimEndSpace(" asfd "), " asfd")
self.assertEqual(trimEndSpace(" aasdf "), " aasdf")
def test_hexToDecimal(self):
self.assertEqual(hexToDecimal('1a'), 26)
self.assertEqual(hexToDecimal('B51'), 2897)
def test_format1(self):
self.assertTrue(isFormat1("TIO"))
self.assertTrue(isFormat1("SIO"))
self.assertTrue(isFormat1("NORM"))
self.assertFalse(isFormat1("JEQ"))
self.assertFalse(isFormat1("JGT"))
def test_format2(self):
self.assertTrue(isFormat2("ADDR"))
self.assertTrue(isFormat2("SHIFTL"))
self.assertTrue(isFormat2("SUBR"))
self.assertFalse(isFormat2("RSUB"))
self.assertFalse(isFormat2("STCH"))
def test_parse_line(self):
self.assertEqual(parseLine("COPY START 0"), ("COPY", "START", "0"))
self.assertEqual(parseLine(" LDB #LENGTH"), ("", "LDB", "#LENGTH"))
self.assertEqual(parseLine(" RSUB"), ("", "RSUB", ""))
self.assertEqual(parseLine(" +LDT #4096"), ("", "+LDT", "#4096"))
self.assertEqual(parseLine(" J @RETADR"), ("", "J", "@RETADR"))
self.assertEqual(parseLine(" COMPR A,S"), ("", "COMPR", "A,S"))
def test_extractLiteral(self):
self.assertEqual(extractLiteral("=C'FOO'"), ("C", "FOO"))
self.assertEqual(extractLiteral("=X'123456'"), ("X", "123456"))
self.assertEqual(extractLiteral("=X'ABCDEF'"), ("X", "ABCDEF"))
def test_pass1(self):
self.lines = ['COPY START 0', 'FIRST STL RETADR', ' LDB #LENGTH', ' BASE LENGTH',
'CLOOP +JSUB RDREC', ' LDA LENGTH', ' COMP #0', ' JEQ ENDFIL',
' +JSUB WRREC', ' J CLOOP', 'ENDFIL LDA EOF', ' STA BUFFER',
' LDA #3', ' STA LENGTH', ' +JSUB WRREC', ' J @RETADR',
"EOF BYTE C'EOF'", 'RETADR RESW 1', 'LENGTH RESW 1', 'BUFFER RESB 4096', '.',
'. Subroutine to read record into buffer', '.', 'RDREC CLEAR X', ' CLEAR A',
' CLEAR S', ' +LDT #4096', 'RLOOP TD INPUT', ' JEQ RLOOP',
' RD INPUT', ' COMPR A,S', ' JEQ EXIT',
' STCH BUFFER,X', ' TIXR T', ' JLT RLOOP',
'EXIT STX LENGTH', ' RSUB', "INPUT BYTE X'F1'", '.',
'. Subroutine to write record from buffer', '.', 'WRREC CLEAR X',
' LDT LENGTH', 'WLOOP TD OUTPUT', ' JEQ WLOOP',
' LDCH BUFFER,X', ' WD OUTPUT', ' TIXR T',
' JLT WLOOP', ' RSUB', "OUTPUT BYTE X'05'", ' END FIRST']
self.expectSymbolTable = {'FIRST': 0, 'CLOOP': 6, 'ENDFIL': 26, 'EOF': 45, 'RETADR': 48, 'LENGTH': 51,
'BUFFER': 54, 'RDREC': 4150, 'RLOOP': 4160, 'EXIT': 4182, 'INPUT': 4188,
'WRREC': 4189, 'WLOOP': 4194, 'OUTPUT': 4214}
self.expectEndLoc = [3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 42, 45, 48, 51, 54, 4150, 4152, 4154, 4156,
4160, 4163, 4166, 4169, 4171, 4174, 4177, 4179, 4182, 4185, 4188, 4189, 4191, 4194, 4197,
4200, 4203, 4206, 4208, 4211, 4214, 4215]
self.expectProgramLeng = 4215
self.expectStartAddress = 0
self.expectedLiteralPool = {}
(self.symbolTable, self.programLeng, self.endLoc, self.startAddress, self.literalPool,
self.programBlockStart) = assemble_pass1(
self.lines)
self.assertDictEqual(self.symbolTable, self.expectSymbolTable)
self.assertEqual(self.programLeng, self.expectProgramLeng)
self.assertListEqual(self.endLoc, self.expectEndLoc)
self.assertEqual(self.startAddress, self.expectStartAddress)
self.assertDictEqual(self.literalPool, self.expectedLiteralPool)
def test_pass2(self):
lines = ['COPY START 0', 'FIRST STL RETADR', ' LDB #LENGTH', ' BASE LENGTH',
'CLOOP +JSUB RDREC', ' LDA LENGTH', ' COMP #0', ' JEQ ENDFIL',
' +JSUB WRREC', ' J CLOOP', 'ENDFIL LDA EOF', ' STA BUFFER',
' LDA #3', ' STA LENGTH', ' +JSUB WRREC', ' J @RETADR',
"EOF BYTE C'EOF'", 'RETADR RESW 1', 'LENGTH RESW 1', 'BUFFER RESB 4096', '.',
'. Subroutine to read record into buffer', '.', 'RDREC CLEAR X', ' CLEAR A',
' CLEAR S', ' +LDT #4096', 'RLOOP TD INPUT', ' JEQ RLOOP',
' RD INPUT', ' COMPR A,S', ' JEQ EXIT',
' STCH BUFFER,X', ' TIXR T', ' JLT RLOOP',
'EXIT STX LENGTH', ' RSUB', "INPUT BYTE X'F1'", '.',
'. Subroutine to write record from buffer', '.', 'WRREC CLEAR X',
' LDT LENGTH', 'WLOOP TD OUTPUT', ' JEQ WLOOP',
' LDCH BUFFER,X', ' WD OUTPUT', ' TIXR T',
' JLT WLOOP', ' RSUB', "OUTPUT BYTE X'05'", ' END FIRST']
symbolTable = {'FIRST': 0, 'CLOOP': 6, 'ENDFIL': 26, 'EOF': 45, 'RETADR': 48, 'LENGTH': 51,
'BUFFER': 54, 'RDREC': 4150, 'RLOOP': 4160, 'EXIT': 4182, 'INPUT': 4188,
'WRREC': 4189, 'WLOOP': 4194, 'OUTPUT': 4214}
endLoc = [3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 42, 45, 48, 51, 54, 4150, 4152, 4154, 4156,
4160, 4163, 4166, 4169, 4171, 4174, 4177, 4179, 4182, 4185, 4188, 4189, 4191, 4194, 4197,
4200, 4203, 4206, 4208, 4211, 4214, 4215]
expectedObjectCodes = ['17202d', '69202d', '4b101036', '032026', '290000', '332007', '4b10105d', '3f2fec',
'032010', '0f2016', '010003', '0f200d', '4b10105d', '3e2003', '454f46', 'b410',
'b400',
'b440', '75101000', 'e32019', '332ffa', 'db2013', 'a004', '332008', '57c003', 'b850',
'3b2fea', '134000', '4f0000', 'F1', 'b410', '774000', 'e32011', '332ffa', '53c003',
'df2008', 'b850', '3b2fef', '4f0000', '05']
expectedModifiedLoc = [7, 20, 39]
expectedLiteralPool = {}
programBlockStart = {"default":0}
(objectCodes, modifiedLoc) = assemble_pass2(lines, symbolTable, endLoc, expectedLiteralPool, programBlockStart)
self.assertListEqual(objectCodes, expectedObjectCodes)
self.assertListEqual(modifiedLoc, expectedModifiedLoc)
# literal test
def test_pure_literal_pass1(self):
lines = ['main START 0', "first LDA =C'FOO'", " LDS =C'BAR'", " LDL =C'FOO'",
' LDA #100', ' J next1', ' LTORG', "next1 LDB =X'123456'",
" LDS =X'ABCDEF'", " LDT =X'123456'", ' LDA #200', ' LTORG',
' END']
(self.symbolTable, self.programLeng, self.endLoc, self.startAddress, self.literalPool,self.programBlockStart) = assemble_pass1(
lines)
expectedSymbolTable = {'first': 0, 'next1': 21}
expectedProgramLeng = 39
expectedEndLoc = [3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33]
expectedLiteralPool = {"=C'FOO'": 15, "=C'BAR'": 18, "=X'123456'": 33, "=X'ABCDEF'": 36}
expectedStartAddress = 0
self.assertDictEqual(self.symbolTable, expectedSymbolTable)
self.assertEqual(self.programLeng, expectedProgramLeng)
self.assertListEqual(self.endLoc, expectedEndLoc)
self.assertDictEqual(self.literalPool, expectedLiteralPool)
def test_pure_literal_pass2(self):
lines = ['main START 0', "first LDA =C'FOO'", " LDS =C'BAR'", " LDL =C'FOO'",
' LDA #100', ' J next1', ' LTORG', "* =C'FOO' ",
"* =C'BAR' ", "next1 LDB =X'123456'", " LDS =X'ABCDEF'",
" LDT =X'123456'", ' LDA #200', "* =X'123456' ",
"* =X'ABCDEF' ", ' END']
symbolTable = {'first': 0, 'next1': 21}
endLoc = [3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33]
literalPool = {"=C'FOO'": 15, "=C'BAR'": 18, "=X'123456'": 33, "=X'ABCDEF'": 36}
expectedObjectCodes = ['03200c', '6f200c', '0b2006', '010064', '3f2006', '464f4f', '424152', '6b200c', '6f200c',
'772006', '0100c8', '123456', 'ABCDEF']
expectedModifiedLoc = []
programBlockStart = {"default":0}
(objectCodes, modifiedLoc) = assemble_pass2(lines, symbolTable, endLoc, literalPool,programBlockStart)
self.assertEqual(objectCodes, expectedObjectCodes)
self.assertEqual(modifiedLoc, expectedModifiedLoc)
if __name__ == '__main__':
unittest.main()