ceph/src/jaegertracing/opentelemetry-cpp/third_party/prometheus-cpp/pull/tests/internal/base64_test.cc

   1 #include "detail/base64.h"
   2
   3 #include <gtest/gtest.h>
   4
   5 #include <string>
   6
   7 namespace prometheus {
   8 namespace {
   9
  10 struct TestVector {
  11   const std::string decoded;
  12   const std::string encoded;
  13 };
  14
  15 const TestVector testVector[] = {
  16     {"", ""},
  17     {"f", "Zg=="},
  18     {"fo", "Zm8="},
  19     {"foo", "Zm9v"},
  20     {"foob", "Zm9vYg=="},
  21     {"fooba", "Zm9vYmE="},
  22     {"foobar", "Zm9vYmFy"},
  23 };
  24
  25 const unsigned nVectors = sizeof(testVector) / sizeof(testVector[0]);
  26
  27 using namespace testing;
  28
  29 TEST(Base64Test, decodeTest) {
  30   for (unsigned i = 0; i < nVectors; ++i) {
  31     std::string decoded = detail::base64_decode(testVector[i].encoded);
  32     EXPECT_EQ(testVector[i].decoded, decoded);
  33   }
  34 }
  35
  36 TEST(Base64Test, rejectInvalidSymbols) {
  37   EXPECT_ANY_THROW(detail::base64_decode("...."));
  38 }
  39
  40 TEST(Base64Test, rejectInvalidInputSize) {
  41   EXPECT_ANY_THROW(detail::base64_decode("ABC"));
  42 }
  43
  44 TEST(Base64Test, rejectInvalidPadding) {
  45   EXPECT_ANY_THROW(detail::base64_decode("A==="));
  46 }
  47
  48 }  // namespace
  49 }  // namespace prometheus