| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/base32/base32.h" |
| |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/ranges/algorithm.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base32 { |
| namespace { |
| |
| TEST(Base32Test, EncodesRfcTestVectorsCorrectlyWithoutPadding) { |
| // Tests from http://tools.ietf.org/html/rfc4648#section-10. |
| constexpr uint8_t test_data[] = "foobar"; |
| |
| constexpr const char* expected[] = { |
| "", "MY", "MZXQ", "MZXW6", "MZXW6YQ", "MZXW6YTB", "MZXW6YTBOI"}; |
| |
| // Run the tests, with one more letter in the input every pass. |
| for (size_t i = 0; i < std::size(expected); ++i) { |
| auto test_subspan = base::make_span(test_data).first(i); |
| auto encoded_output = |
| Base32Encode(test_subspan, Base32EncodePolicy::OMIT_PADDING); |
| EXPECT_EQ(expected[i], encoded_output); |
| auto decoded_output = Base32Decode(encoded_output); |
| EXPECT_TRUE(base::ranges::equal(test_subspan, decoded_output)); |
| } |
| } |
| |
| TEST(Base32Test, EncodesRfcTestVectorsCorrectlyWithPadding) { |
| // Tests from http://tools.ietf.org/html/rfc4648#section-10. |
| constexpr uint8_t test_data[] = "foobar"; |
| |
| constexpr const char* expected[] = { |
| "", "MY======", "MZXQ====", "MZXW6===", |
| "MZXW6YQ=", "MZXW6YTB", "MZXW6YTBOI======"}; |
| |
| // Run the tests, with one more letter in the input every pass. |
| for (size_t i = 0; i < std::size(expected); ++i) { |
| auto test_subspan = base::make_span(test_data).first(i); |
| std::string encoded_output = Base32Encode(test_subspan); |
| EXPECT_EQ(expected[i], encoded_output); |
| std::vector<uint8_t> decoded_output = Base32Decode(encoded_output); |
| EXPECT_TRUE(base::ranges::equal(test_subspan, decoded_output)); |
| } |
| } |
| |
| TEST(Base32Test, EncodesSha256HashCorrectly) { |
| // Useful to test with longer input than the RFC test vectors, and encoding |
| // SHA-256 hashes is one of the use cases for this component. |
| constexpr uint8_t hash[] = |
| "\x1f\x25\xe1\xca\xba\x4f\xf9\xb8\x27\x24\x83\x0f\xca\x60\xe4\xc2\xbe\xa8" |
| "\xc3\xa9\x44\x1c\x27\xb0\xb4\x3e\x6a\x96\x94\xc7\xb8\x04"; |
| base::span<const uint8_t> test_span = base::make_span(hash).first(32u); |
| std::string encoded_output = |
| Base32Encode(test_span, Base32EncodePolicy::OMIT_PADDING); |
| EXPECT_EQ("D4S6DSV2J743QJZEQMH4UYHEYK7KRQ5JIQOCPMFUHZVJNFGHXACA", |
| encoded_output); |
| std::vector<uint8_t> decoded_output = Base32Decode(encoded_output); |
| EXPECT_TRUE(base::ranges::equal(test_span, decoded_output)); |
| } |
| |
| } // namespace |
| } // namespace base32 |