46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/common.h"
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#include "td/utils/logging.h"
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#include "td/utils/port/FileFd.h"
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#include "td/utils/port/path.h"
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#include "td/utils/Slice.h"
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#include "td/utils/tests.h"
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using namespace td;
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TEST(Port, files) {
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CSlice main_dir = "test_dir";
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rmrf(main_dir).ignore();
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mkdir(main_dir).ensure();
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mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "A").ensure();
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mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "B").ensure();
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mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "C").ensure();
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ASSERT_TRUE(FileFd::open(main_dir, FileFd::Write).is_error());
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std::string fd_path = PSTRING() << main_dir << TD_DIR_SLASH << "t.txt";
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auto fd = FileFd::open(fd_path, FileFd::Write | FileFd::CreateNew).move_as_ok();
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ASSERT_EQ(0u, fd.get_size());
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ASSERT_EQ(12u, fd.write("Hello world!").move_as_ok());
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ASSERT_EQ(4u, fd.pwrite("abcd", 1).move_as_ok());
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char buf[100];
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MutableSlice buf_slice(buf, sizeof(buf));
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ASSERT_TRUE(fd.pread(buf_slice.substr(0, 4), 2).is_error());
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fd.seek(11).ensure();
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ASSERT_EQ(2u, fd.write("?!").move_as_ok());
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ASSERT_TRUE(FileFd::open(main_dir, FileFd::Read | FileFd::CreateNew).is_error());
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fd = FileFd::open(fd_path, FileFd::Read | FileFd::Create).move_as_ok();
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ASSERT_EQ(13u, fd.get_size());
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ASSERT_EQ(4u, fd.pread(buf_slice.substr(0, 4), 1).move_as_ok());
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ASSERT_STREQ("abcd", buf_slice.substr(0, 4));
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fd.seek(0).ensure();
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ASSERT_EQ(13u, fd.read(buf_slice.substr(0, 13)).move_as_ok());
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ASSERT_STREQ("Habcd world?!", buf_slice.substr(0, 13));
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}
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