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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/stl_util.h"
#include "components/base32/base32.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 char test_str[] = "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 < base::size(expected); ++i) {
base::StringPiece test_substr(test_str, i);
std::string encoded_output =
Base32Encode(test_substr, Base32EncodePolicy::OMIT_PADDING);
EXPECT_EQ(expected[i], encoded_output);
std::string decoded_output = Base32Decode(encoded_output);
EXPECT_EQ(test_substr, decoded_output);
}
}
TEST(Base32Test, EncodesRfcTestVectorsCorrectlyWithPadding) {
// Tests from http://tools.ietf.org/html/rfc4648#section-10.
constexpr char test_str[] = "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 < base::size(expected); ++i) {
base::StringPiece test_substr(test_str, i);
std::string encoded_output = Base32Encode(test_substr);
EXPECT_EQ(expected[i], encoded_output);
std::string decoded_output = Base32Decode(encoded_output);
EXPECT_EQ(test_substr, 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 char 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::StringPiece test_str(hash, 32);
std::string encoded_output =
Base32Encode(test_str, Base32EncodePolicy::OMIT_PADDING);
EXPECT_EQ("D4S6DSV2J743QJZEQMH4UYHEYK7KRQ5JIQOCPMFUHZVJNFGHXACA",
encoded_output);
std::string decoded_output = Base32Decode(encoded_output);
EXPECT_EQ(test_str, decoded_output);
}
} // namespace
} // namespace base32
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