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191
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1 #!/usr/bin/python
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2
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346
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3 import unittest
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200
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4 from ppci import CompilerError
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381
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5 from ppci.assembler import tokenize
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335
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6 from ppci.objectfile import ObjectFile
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342
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7 from ppci.outstream import BinaryOutputStream
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8 from ppci.target.basetarget import Label
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381
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9 from ppci.buildfunctions import link
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191
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10
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290
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11
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198
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12 class AssemblerLexingCase(unittest.TestCase):
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13 """ Tests the assemblers lexer """
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191
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14
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15 def testLex0(self):
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16 """ Check if the lexer is OK """
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318
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17 asmline, toks = 'mov rax, rbx ', ['ID', 'ID', ',', 'ID', 'EOF']
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341
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18 self.assertSequenceEqual([tok.typ for tok in tokenize(asmline, [])], toks)
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191
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19
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20 def testLex1(self):
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193
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21 """ Test if lexer correctly maps some tokens """
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318
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22 asmline, toks = 'lab1: mov rax, rbx ', ['ID', ':', 'ID', 'ID', ',', 'ID', 'EOF']
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341
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23 self.assertSequenceEqual([tok.typ for tok in tokenize(asmline, [])], toks)
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193
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24
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191
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25 def testLex2(self):
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318
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26 """ Test if lexer correctly maps some tokens """
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341
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27 asmline, toks = 'mov 3.13 0xC 13', ['ID', 'REAL', 'val5', 'val5', 'EOF']
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28 self.assertSequenceEqual([tok.typ for tok in tokenize(asmline, [])], toks)
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318
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29
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30 def testLex3(self):
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193
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31 """ Test if lexer fails on a token that is invalid """
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191
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32 asmline = '0z4: mov rax, rbx $ '
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200
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33 with self.assertRaises(CompilerError):
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341
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34 list(tokenize(asmline, []))
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198
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35
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290
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36
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236
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37 class OustreamTestCase(unittest.TestCase):
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38 def test1(self):
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335
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39 obj = ObjectFile()
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342
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40 o = BinaryOutputStream(obj)
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348
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41 o.select_section('.text')
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236
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42 o.emit(Label('a'))
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335
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43 self.assertSequenceEqual(bytes(), obj.get_section('.text').data)
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236
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44
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45
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46 class AsmTestCaseBase(unittest.TestCase):
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292
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47 """ Base testcase for assembly """
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236
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48 def feed(self, line):
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381
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49 self.assembler.assemble(line, self.ostream)
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236
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50
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381
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51 def check(self, hexstr, layout={}):
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52 self.assembler.flush()
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53 self.obj = link([self.obj], layout)
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335
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54 data = bytes(self.obj.get_section('.text').data)
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55 self.assertSequenceEqual(bytes.fromhex(hexstr), data)
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236
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56
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57
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191
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58 if __name__ == '__main__':
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59 unittest.main()
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