#! /usr/bin/env python
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"""Negative compilation unit tests for arena API."""

import unittest

from google3.testing.pybase import fake_target_util
from google3.testing.pybase import unittest


class ArenaNcTest(unittest.TestCase):

  def testCompilerErrors(self):
    """Runs a list of tests to verify compiler error messages."""

    # Defines a list of test specs, where each element is a tuple
    # (test name, list of regexes for matching the compiler errors).
    test_specs = [
        ('ARENA_PRIVATE_CONSTRUCTOR',
         [r'calling a protected constructor']),
        ('SANITY', None)]

    fake_target_util.AssertCcCompilerErrors(
        self,                         # The current test case.
        'google3/google/protobuf/arena_nc',  # The fake target file.
        'arena_nc.o',                 # The sub-target to build.
        test_specs                    # List of test specifications.
        )

if __name__ == '__main__':
  unittest.main()