| 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.ysh'))
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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.ysh'))
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| 35 | arena.AddLine('echo 1a', 1)
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| 36 | arena.AddLine('source two.ysh', 2)
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| 37 |
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| 38 | arena.PushSource(source.MainFile('two.ysh'))
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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.ysh
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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.ysh
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| 44 | arena.PopSource()
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| 45 |
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| 46 | self.assertEqual('two.ysh', 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.ysh', 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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