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Commit 08327ac7 authored by Dan Albert's avatar Dan Albert
Browse files

Add test for empty stub generation. 

Seems this works, but adding the test anyway.

Test: pytest
Bug: None
Change-Id: I32903246a037f942e87b35479d07a8f30853f9e4
parent 26999937

cc/ndkstubgen/test_ndkstubgen.py

+34 −0
Original line number Diff line number Diff line
@@ -413,6 +413,40 @@ class IntegrationTest(unittest.TestCase): 
        """)

        self.assertEqual(expected_version, version_file.getvalue())



    def test_empty_stub(self) -> None:

        """Tests that empty stubs can be generated.



        This is not a common case, but libraries whose only behavior is to

        interpose symbols to alter existing behavior do not need to expose

        their interposing symbols as API, so it's possible for the stub to be

        empty while still needing a stub to link against. libsigchain is an

        example of this.

        """

        input_file = io.StringIO(textwrap.dedent("""\

            VERSION_1 {

                local:

                    *;

            };

        """))

        parser = symbolfile.SymbolFileParser(input_file, {}, Arch('arm'),

                                             9, llndk=False, apex=True)

        versions = parser.parse()



        src_file = io.StringIO()

        version_file = io.StringIO()

        symbol_list_file = io.StringIO()

        generator = ndkstubgen.Generator(src_file,

                                         version_file,

                                         symbol_list_file,

                                         Arch('arm'),

                                         9,

                                         llndk=False,

                                         apex=True)

        generator.write(versions)



        self.assertEqual('', src_file.getvalue())

        self.assertEqual('', version_file.getvalue())





def main() -> None:

    suite = unittest.TestLoader().loadTestsFromName(__name__)