Method test_unseekable_overflowed_write

Lib/test/audiotests.py:236–253

(self)

            self.check_file(testfile, self.nframes + 1, self.frames)

    def test_unseekable_overflowed_write(self):
        with UnseekableIO(TESTFN, 'wb') as testfile:
            testfile.write(b'ababagalamaga')
            f = self.create_file(testfile)
            f.setnframes(self.nframes - 1)
            try:
                f.writeframes(self.frames)
            except OSError:
                pass
            try:
                f.close()
            except OSError:
                pass

        with open(TESTFN, 'rb') as testfile:
            self.assertEqual(testfile.read(13), b'ababagalamaga')
            framesize = self.nchannels * self.sampwidth
            self.check_file(testfile, self.nframes - 1, self.frames[:-framesize])


class AudioTestsWithSourceFile(AudioTests):