Function TestBase64EncodeWithInitialValues

be/src/util/coding-util-test.cc:79–96

Test Base64 encoding when the variables in which the calculated maximal output size and the actual output size are stored have specific initial values (regression test for IMPALA-12986).

// the actual output size are stored have specific initial values (regression test for
// IMPALA-12986).
void TestBase64EncodeWithInitialValues(int64_t initial_max_value,
    int64_t initial_out_value) {
  const string bytes = "abc\1\2\3";

  int64_t base64_max_len = initial_max_value;
  bool succ = Base64EncodeBufLen(bytes.size(), &base64_max_len);
  EXPECT_TRUE(succ);

  // 'base64_max_len' includes the null terminator.
  string buf(base64_max_len - 1, '\0');
  unsigned base64_len = initial_out_value;
  succ = Base64Encode(bytes.c_str(), bytes.size(), base64_max_len, buf.data(),
      &base64_len);
  EXPECT_TRUE(succ);

  const string expected = "YWJjAQID";
  EXPECT_EQ(expected, buf);
}

// Test URL encoding. Check that the values that are put in are the
// same that come out.