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/*
* Copyright (c) 2020, Tom Lebreux <tomlebreux@hotmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/Base64.h>
#include <AK/String.h>
#include <string.h>
TEST_CASE(test_decode)
{
auto decode_equal = [&](const char* input, const char* expected) {
auto decoded_option = decode_base64(StringView(input));
EXPECT(!decoded_option.is_error());
auto decoded = decoded_option.release_value();
EXPECT(String::copy(decoded) == String(expected));
EXPECT(StringView(expected).length() <= calculate_base64_decoded_length(StringView(input).bytes()));
};
decode_equal("", "");
decode_equal("Zg==", "f");
decode_equal("Zm8=", "fo");
decode_equal("Zm9v", "foo");
decode_equal("Zm9vYg==", "foob");
decode_equal("Zm9vYmE=", "fooba");
decode_equal("Zm9vYmFy", "foobar");
decode_equal("Z m\r9\n v\v Ym\tFy", "foobar");
EXPECT_EQ(decode_base64(" ZD Qg\r\nPS An Zm91cic\r\n 7"sv).value(), decode_base64("ZDQgPSAnZm91cic7"sv).value());
}
TEST_CASE(test_decode_invalid)
{
EXPECT(decode_base64(StringView("asdf\xffqwe")).is_error());
EXPECT(decode_base64(StringView("asdf\x80qwe")).is_error());
EXPECT(decode_base64(StringView("asdf:qwe")).is_error());
EXPECT(decode_base64(StringView("asdf=qwe")).is_error());
}
TEST_CASE(test_encode)
{
auto encode_equal = [&](const char* input, const char* expected) {
auto encoded = encode_base64({ input, strlen(input) });
EXPECT(encoded == String(expected));
EXPECT_EQ(StringView(expected).length(), calculate_base64_encoded_length(StringView(input).bytes()));
};
encode_equal("", "");
encode_equal("f", "Zg==");
encode_equal("fo", "Zm8=");
encode_equal("foo", "Zm9v");
encode_equal("foob", "Zm9vYg==");
encode_equal("fooba", "Zm9vYmE=");
encode_equal("foobar", "Zm9vYmFy");
}
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