ladybird/Tests/AK/TestBase64.cpp
sin-ack f6b1db37fc Tests: Convert TestBase64 decode test to use StringViews directly
Previously it would rely on the implicit StringView conversions. Now the
decode_equal function will directly use StringViews.
2022-07-12 23:11:35 +02:00

57 lines
1.8 KiB
C++

/*
* 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 = [&](StringView input, StringView expected) {
auto decoded_option = decode_base64(input);
EXPECT(!decoded_option.is_error());
auto decoded = decoded_option.release_value();
EXPECT(String::copy(decoded) == expected);
EXPECT(expected.length() <= calculate_base64_decoded_length(input.bytes()));
};
decode_equal(""sv, ""sv);
decode_equal("Zg=="sv, "f"sv);
decode_equal("Zm8="sv, "fo"sv);
decode_equal("Zm9v"sv, "foo"sv);
decode_equal("Zm9vYg=="sv, "foob"sv);
decode_equal("Zm9vYmE="sv, "fooba"sv);
decode_equal("Zm9vYmFy"sv, "foobar"sv);
decode_equal("Z m\r9\n v\v Ym\tFy"sv, "foobar"sv);
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(("asdf\xffqwe"sv)).is_error());
EXPECT(decode_base64(("asdf\x80qwe"sv)).is_error());
EXPECT(decode_base64(("asdf:qwe"sv)).is_error());
EXPECT(decode_base64(("asdf=qwe"sv)).is_error());
}
TEST_CASE(test_encode)
{
auto encode_equal = [&](StringView input, StringView expected) {
auto encoded = encode_base64(input.bytes());
EXPECT(encoded == String(expected));
EXPECT_EQ(expected.length(), calculate_base64_encoded_length(input.bytes()));
};
encode_equal(""sv, ""sv);
encode_equal("f"sv, "Zg=="sv);
encode_equal("fo"sv, "Zm8="sv);
encode_equal("foo"sv, "Zm9v"sv);
encode_equal("foob"sv, "Zm9vYg=="sv);
encode_equal("fooba"sv, "Zm9vYmE="sv);
encode_equal("foobar"sv, "Zm9vYmFy"sv);
}