text_format_test.py 文件源码

def testConsumeIntegers(self):
    # This test only tests the failures in the integer parsing methods as well
    # as the '0' special cases.
    int64_max = (1 << 63) - 1
    uint32_max = (1 << 32) - 1
    text = '-1 %d %d' % (uint32_max + 1, int64_max + 1)
    tokenizer = text_format.Tokenizer(text.splitlines())
    self.assertRaises(text_format.ParseError,
                      text_format._ConsumeUint32, tokenizer)
    self.assertRaises(text_format.ParseError,
                      text_format._ConsumeUint64, tokenizer)
    self.assertEqual(-1, text_format._ConsumeInt32(tokenizer))

    self.assertRaises(text_format.ParseError,
                      text_format._ConsumeUint32, tokenizer)
    self.assertRaises(text_format.ParseError,
                      text_format._ConsumeInt32, tokenizer)
    self.assertEqual(uint32_max + 1, text_format._ConsumeInt64(tokenizer))

    self.assertRaises(text_format.ParseError,
                      text_format._ConsumeInt64, tokenizer)
    self.assertEqual(int64_max + 1, text_format._ConsumeUint64(tokenizer))
    self.assertTrue(tokenizer.AtEnd())

    text = '-0 -0 0 0'
    tokenizer = text_format.Tokenizer(text.splitlines())
    self.assertEqual(0, text_format._ConsumeUint32(tokenizer))
    self.assertEqual(0, text_format._ConsumeUint64(tokenizer))
    self.assertEqual(0, text_format._ConsumeUint32(tokenizer))
    self.assertEqual(0, text_format._ConsumeUint64(tokenizer))
    self.assertTrue(tokenizer.AtEnd())