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| author | Pablo Galindo <Pablogsal@gmail.com> | 2020-05-26 23:15:52 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-26 23:15:52 (GMT) |
| commit | 404b23b85b17c84e022779f31fc89cb0ed0d37e8 (patch) | |
| tree | fea9aca0072a7f5f06a5af49b36b434185d7e76c /Lib/test/test_peg_generator | |
| parent | 21fda91f8da96406e6a912f7c312424209c19bef (diff) | |
| download | cpython-404b23b85b17c84e022779f31fc89cb0ed0d37e8.zip cpython-404b23b85b17c84e022779f31fc89cb0ed0d37e8.tar.gz cpython-404b23b85b17c84e022779f31fc89cb0ed0d37e8.tar.bz2 | |
Fix lookahead of soft keywords in the PEG parser (GH-20436)
Automerge-Triggered-By: @gvanrossum
Diffstat (limited to 'Lib/test/test_peg_generator')
| -rw-r--r-- | Lib/test/test_peg_generator/test_c_parser.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_peg_generator/test_c_parser.py b/Lib/test/test_peg_generator/test_c_parser.py index 72383d5..a5d8850 100644 --- a/Lib/test/test_peg_generator/test_c_parser.py +++ b/Lib/test/test_peg_generator/test_c_parser.py @@ -432,3 +432,15 @@ class TestCParser(TempdirManager, unittest.TestCase): self.check_input_strings_for_grammar(valid_cases, invalid_cases) """ self.run_test(grammar_source, test_source) + + def test_soft_keywords_lookahead(self) -> None: + grammar_source = """ + start: &"if" "if" expr '+' expr NEWLINE + expr: NAME + """ + test_source = """ + valid_cases = ["if if + if"] + invalid_cases = ["if if"] + self.check_input_strings_for_grammar(valid_cases, invalid_cases) + """ + self.run_test(grammar_source, test_source) |