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tdlib-fork/tdutils/test/SharedSlice.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/common.h"
#include "td/utils/port/thread.h"
#include "td/utils/SharedSlice.h"
#include "td/utils/tests.h"
char disable_linker_warning_about_empty_file_tdutils_test_shared_slice_cpp TD_UNUSED;
#if !TD_THREAD_UNSUPPORTED
TEST(SharedSlice, Hands) {
{
td::SharedSlice h("hello");
ASSERT_EQ("hello", h.as_slice());
// auto g = h; // CE
auto g = h.clone();
ASSERT_EQ("hello", h.as_slice());
ASSERT_EQ("hello", g.as_slice());
}
{
td::SharedSlice h("hello");
td::UniqueSharedSlice g(std::move(h));
ASSERT_EQ("", h.as_slice());
ASSERT_EQ("hello", g.as_slice());
}
{
td::SharedSlice h("hello");
td::SharedSlice t = h.clone();
td::UniqueSharedSlice g(std::move(h));
ASSERT_EQ("", h.as_slice());
ASSERT_EQ("hello", g.as_slice());
ASSERT_EQ("hello", t.as_slice());
}
{
td::UniqueSharedSlice g(5);
g.as_mutable_slice().copy_from("hello");
td::SharedSlice h(std::move(g));
ASSERT_EQ("hello", h);
ASSERT_EQ("", g);
}
{
td::UniqueSlice h("hello");
td::UniqueSlice g(std::move(h));
ASSERT_EQ("", h.as_slice());
ASSERT_EQ("hello", g.as_slice());
}
{
td::SecureString h("hello");
td::SecureString g(std::move(h));
ASSERT_EQ("", h.as_slice());
ASSERT_EQ("hello", g.as_slice());
}
{
td::Stage stage;
td::SharedSlice a, b;
td::vector<td::thread> threads(2);
for (int i = 0; i < 2; i++) {
threads[i] = td::thread([i, &stage, &a, &b] {
for (int j = 0; j < 10000; j++) {
if (i == 0) {
a = td::SharedSlice("hello");
b = a.clone();
}
stage.wait((2 * j + 1) * 2);
if (i == 0) {
ASSERT_EQ('h', a[0]);
a.clear();
} else {
td::UniqueSharedSlice c(std::move(b));
c.as_mutable_slice()[0] = '!';
}
stage.wait((2 * j + 2) * 2);
}
});
}
for (auto &thread : threads) {
thread.join();
}
}
}
#endif