85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
#include "olm/base64.hh"
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#include "olm/base64.h"
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#include <cstring>
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#include <vector>
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#include <array>
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#include "testing.hh"
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/* Base64 encode test */
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TEST_CASE("Base64 C++ binding encode test") {
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std::uint8_t input[] = "Hello World";
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std::uint8_t expected_output[] = "SGVsbG8gV29ybGQ";
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std::size_t input_length = sizeof(input) - 1;
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std::size_t output_length = olm::encode_base64_length(input_length);
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REQUIRE_EQ(std::size_t(15), output_length);
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std::uint8_t output[15] = {};
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olm::encode_base64(input, input_length, output);
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CHECK_EQ_SIZE(expected_output, output, output_length);
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}
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TEST_CASE("Base64 C binding encode test") {
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std::uint8_t input[] = "Hello World";
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std::uint8_t expected_output[] = "SGVsbG8gV29ybGQ";
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std::size_t input_length = sizeof(input) - 1;
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std::size_t output_length = ::_olm_encode_base64_length(input_length);
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REQUIRE_EQ(std::size_t(15), output_length);
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std::uint8_t output[15];
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output_length = ::_olm_encode_base64(input, input_length, output);
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CHECK_EQ(std::size_t(15), output_length);
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CHECK_EQ_SIZE(expected_output, output, output_length);
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}
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/* Base64 decode test */
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TEST_CASE("Base64 C++ binding decode test") {
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std::uint8_t input[] = "SGVsbG8gV29ybGQ";
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std::uint8_t expected_output[] = "Hello World";
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std::size_t input_length = sizeof(input) - 1;
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std::size_t output_length = olm::decode_base64_length(input_length);
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REQUIRE_EQ(std::size_t(11), output_length);
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std::uint8_t output[11];
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olm::decode_base64(input, input_length, output);
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CHECK_EQ_SIZE(expected_output, output, output_length);
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}
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TEST_CASE("Base64 C binding decode test") {
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std::uint8_t input[] = "SGVsbG8gV29ybGQ";
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std::uint8_t expected_output[] = "Hello World";
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std::size_t input_length = sizeof(input) - 1;
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std::size_t output_length = ::_olm_decode_base64_length(input_length);
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REQUIRE_EQ(std::size_t(11), output_length);
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std::uint8_t output[11];
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output_length = ::_olm_decode_base64(input, input_length, output);
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REQUIRE_EQ(std::size_t(11), output_length);
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CHECK_EQ_SIZE(expected_output, output, output_length);
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}
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TEST_CASE("Decoding base64 of invalid length fails with -1") {
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std::uint8_t input[] = "SGVsbG8gV29ybGQab";
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std::size_t input_length = sizeof(input) - 1;
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/* We use a longer but valid input length here so that we don't get back -1.
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* Nothing will be written to the output buffer anyway because the input is
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* invalid. */
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std::size_t buf_length = olm::decode_base64_length(input_length + 1);
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std::vector<std::uint8_t> output(buf_length, 0);
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std::vector<std::uint8_t> expected_output(buf_length, 0);
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std::size_t output_length = ::_olm_decode_base64(input, input_length, output.data());
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REQUIRE_EQ(std::size_t(-1), output_length);
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CHECK_EQ(output, expected_output);
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}
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