| 1 | #!/usr/bin/env python2
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| 2 | """alloc_test.py: Tests for alloc.py."""
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| 3 | 
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| 4 | import unittest
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| 5 | 
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| 6 | from _devbuild.gen.id_kind_asdl import Id
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| 7 | from _devbuild.gen.syntax_asdl import source
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| 8 | from core import alloc  # module under test
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| 9 | 
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| 10 | 
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| 11 | class AllocTest(unittest.TestCase):
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| 12 | 
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| 13 |     def setUp(self):
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| 14 |         self.arena = alloc.Arena()
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| 15 | 
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| 16 |     def testArena(self):
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| 17 |         arena = self.arena
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| 18 |         arena.SaveTokens()
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| 19 |         arena.PushSource(source.MainFile('one.oil'))
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| 20 | 
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| 21 |         line = arena.AddLine('line 1', 1)
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| 22 |         self.assertEqual(1, line.line_num)
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| 23 |         line = arena.AddLine('line 2', 2)
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| 24 |         self.assertEqual(2, line.line_num)
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| 25 | 
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| 26 |         tok = arena.NewToken(Id.Undefined_Tok, -1, -1, -1)
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| 27 |         self.assertEqual(0, arena.GetSpanId(tok))
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| 28 | 
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| 29 |         arena.PopSource()
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| 30 | 
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| 31 |     def testPushSource(self):
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| 32 |         arena = self.arena
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| 33 | 
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| 34 |         arena.PushSource(source.MainFile('one.oil'))
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| 35 |         arena.AddLine('echo 1a', 1)
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| 36 |         arena.AddLine('source two.oil', 2)
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| 37 | 
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| 38 |         arena.PushSource(source.MainFile('two.oil'))
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| 39 |         arena.AddLine('echo 2a', 1)
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| 40 |         line2 = arena.AddLine('echo 2b', 2)  # line 2 of two.oil
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| 41 |         arena.PopSource()
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| 42 | 
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| 43 |         line3 = arena.AddLine('echo 1c', 3)  # line 3 of one.oil
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| 44 |         arena.PopSource()
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| 45 | 
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| 46 |         self.assertEqual('two.oil', line2.src.path)
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| 47 |         self.assertEqual(2, line2.line_num)
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| 48 | 
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| 49 |         self.assertEqual('one.oil', line3.src.path)
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| 50 |         self.assertEqual(3, line3.line_num)
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| 51 | 
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| 52 | 
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| 53 | if __name__ == '__main__':
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| 54 |     unittest.main()
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