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#include "detail/base64.h"
#include <gtest/gtest.h>
#include <string>
namespace prometheus {
namespace {
struct TestVector {
const std::string decoded;
const std::string encoded;
};
const TestVector testVector[] = {
{"", ""},
{"f", "Zg=="},
{"fo", "Zm8="},
{"foo", "Zm9v"},
{"foob", "Zm9vYg=="},
{"fooba", "Zm9vYmE="},
{"foobar", "Zm9vYmFy"},
};
const unsigned nVectors = sizeof(testVector) / sizeof(testVector[0]);
using namespace testing;
TEST(Base64Test, decodeTest) {
for (unsigned i = 0; i < nVectors; ++i) {
std::string decoded = detail::base64_decode(testVector[i].encoded);
EXPECT_EQ(testVector[i].decoded, decoded);
}
}
TEST(Base64Test, rejectInvalidSymbols) {
EXPECT_ANY_THROW(detail::base64_decode("...."));
}
TEST(Base64Test, rejectInvalidInputSize) {
EXPECT_ANY_THROW(detail::base64_decode("ABC"));
}
TEST(Base64Test, rejectInvalidPadding) {
EXPECT_ANY_THROW(detail::base64_decode("A==="));
}
} // namespace
} // namespace prometheus
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