Python3.tests.TestRecognizer.py Maven / Gradle / Ivy

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A collection of tests for ANTLR 4 Runtime libraries.

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import unittest
from antlr4.Recognizer import Recognizer


class TestRecognizer(unittest.TestCase):
    def testVersion(self):
        major, minor = Recognizer().extractVersion("1.2")
        self.assertEqual("1", major)
        self.assertEqual("2", minor)
        major, minor = Recognizer().extractVersion("1.2.3")
        self.assertEqual("1", major)
        self.assertEqual("2", minor)
        major, minor = Recognizer().extractVersion("1.2-snapshot")
        self.assertEqual("1", major)
        self.assertEqual("2", minor)