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// Copyright 2020 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 "util/base64.h"
#include <string>
#include <vector>
#include "gtest/gtest.h"
namespace openscreen {
namespace base64 {
namespace {
constexpr char kText[] = "hello world";
constexpr char kBase64Text[] = "aGVsbG8gd29ybGQ=";
// More sophisticated comparisons here, such as EXPECT_STREQ, may
// cause memory failures on some platforms (e.g. ASAN) due to mismatched
// lengths.
void CheckEquals(const char* expected, const std::vector<uint8_t>& actual) {
EXPECT_EQ(0, std::memcmp(actual.data(), expected, actual.size()));
}
void CheckEncodeDecode(const char* to_encode, const char* encode_expected) {
std::string encoded = Encode(to_encode);
EXPECT_EQ(encode_expected, encoded);
std::vector<uint8_t> decoded;
EXPECT_TRUE(Decode(encoded, &decoded));
CheckEquals(to_encode, decoded);
}
} // namespace
TEST(Base64Test, ZeroSize) {
CheckEncodeDecode("", "");
}
TEST(Base64Test, Basic) {
CheckEncodeDecode(kText, kBase64Text);
}
TEST(Base64Test, Binary) {
const uint8_t kData[] = {0x00, 0x01, 0xFE, 0xFF};
std::string binary_encoded = Encode(absl::MakeConstSpan(kData));
// Check that encoding the same data through the StringPiece interface gives
// the same results.
std::string string_piece_encoded = Encode(
absl::string_view(reinterpret_cast<const char*>(kData), sizeof(kData)));
EXPECT_EQ(binary_encoded, string_piece_encoded);
}
TEST(Base64Test, InPlace) {
std::string text(kText);
text = Encode(text);
EXPECT_EQ(kBase64Text, text);
std::vector<uint8_t> out;
EXPECT_TRUE(Decode(text, &out));
CheckEquals(kText, out);
}
} // namespace base64
} // namespace openscreen
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