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, tokenizer.ConsumeUint32)
    self.assertRaises(text_format.ParseError, tokenizer.ConsumeUint64)
    self.assertEqual(-1, tokenizer.ConsumeInt32())

    self.assertRaises(text_format.ParseError, tokenizer.ConsumeUint32)
    self.assertRaises(text_format.ParseError, tokenizer.ConsumeInt32)
    self.assertEqual(uint32_max + 1, tokenizer.ConsumeInt64())

    self.assertRaises(text_format.ParseError, tokenizer.ConsumeInt64)
    self.assertEqual(int64_max + 1, tokenizer.ConsumeUint64())
    self.assertTrue(tokenizer.AtEnd())

    text = '-0 -0 0 0'
    tokenizer = text_format._Tokenizer(text.splitlines())
    self.assertEqual(0, tokenizer.ConsumeUint32())
    self.assertEqual(0, tokenizer.ConsumeUint64())
    self.assertEqual(0, tokenizer.ConsumeUint32())
    self.assertEqual(0, tokenizer.ConsumeUint64())
    self.assertTrue(tokenizer.AtEnd())