mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#include "td/utils/tests.h"
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#include "td/utils/buffer.h"
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#include "td/utils/Random.h"
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using namespace td;
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TEST(Buffer, buffer_builder) {
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{
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BufferBuilder builder;
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builder.append("b");
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builder.prepend("a");
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builder.append("c");
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ASSERT_EQ(builder.extract().as_slice(), "abc");
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}
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{
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BufferBuilder builder{"hello", 0, 0};
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ASSERT_EQ(builder.extract().as_slice(), "hello");
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}
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{
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BufferBuilder builder{"hello", 1, 1};
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builder.prepend("A ");
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builder.append(" B");
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ASSERT_EQ(builder.extract().as_slice(), "A hello B");
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}
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{
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std::string str = rand_string('a', 'z', 10000);
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auto splitted_str = rand_split(str);
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int l = Random::fast(0, static_cast<int32>(splitted_str.size() - 1));
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int r = l;
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BufferBuilder builder(splitted_str[l], 123, 1000);
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while (l != 0 || r != static_cast<int32>(splitted_str.size()) - 1) {
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if (l == 0 || (Random::fast(0, 1) == 1 && r != static_cast<int32>(splitted_str.size() - 1))) {
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r++;
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if (Random::fast(0, 1) == 1) {
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builder.append(splitted_str[r]);
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} else {
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builder.append(BufferSlice(splitted_str[r]));
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}
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} else {
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l--;
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if (Random::fast(0, 1) == 1) {
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builder.prepend(splitted_str[l]);
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} else {
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builder.prepend(BufferSlice(splitted_str[l]));
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}
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}
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}
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ASSERT_EQ(builder.extract().as_slice(), str);
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}
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}
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