mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 17:40:27 +00:00
4d0abf82ed
Leaving files in /tmp uses memory, which accumulates over time if you do something weird like leaving `run-tests` going all day long. :^)
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibCore/File.h>
|
|
#include <LibTest/TestCase.h>
|
|
#include <unistd.h>
|
|
|
|
static bool files_have_same_contents(String filename1, String filename2)
|
|
{
|
|
auto file1 = Core::File::open(filename1, Core::OpenMode::ReadOnly).value();
|
|
auto file2 = Core::File::open(filename2, Core::OpenMode::ReadOnly).value();
|
|
auto contents1 = file1->read_all(), contents2 = file2->read_all();
|
|
return contents1 == contents2;
|
|
}
|
|
|
|
TEST_CASE(file_readline)
|
|
{
|
|
auto path = "long_lines.txt";
|
|
auto file_or_error = Core::File::open(path, Core::OpenMode::ReadOnly);
|
|
if (file_or_error.is_error()) {
|
|
warnln("Failed to open {}: {}", path, file_or_error.error());
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
auto file = file_or_error.release_value();
|
|
auto output_path = "/tmp/output.txt";
|
|
auto outfile_or_error = Core::File::open(output_path, Core::OpenMode::WriteOnly);
|
|
auto outputfile = outfile_or_error.release_value();
|
|
while (file->can_read_line()) {
|
|
outputfile->write(file->read_line());
|
|
outputfile->write("\n");
|
|
}
|
|
file->close();
|
|
outputfile->close();
|
|
VERIFY(files_have_same_contents(path, output_path));
|
|
unlink(output_path);
|
|
}
|
|
|
|
TEST_CASE(file_get_read_position)
|
|
{
|
|
const String path = "10kb.txt";
|
|
auto file = Core::File::open(path, Core::OpenMode::ReadOnly).release_value();
|
|
|
|
const size_t step_size = 98;
|
|
for (size_t i = 0; i < 10240 - step_size; i += step_size) {
|
|
auto read_buffer = file->read(step_size);
|
|
EXPECT_EQ(read_buffer.size(), step_size);
|
|
|
|
for (size_t j = 0; j < read_buffer.size(); j++) {
|
|
EXPECT_EQ(static_cast<u32>(read_buffer[j] - '0'), (i + j) % 10);
|
|
}
|
|
|
|
off_t offset = 0;
|
|
VERIFY(file->seek(0, Core::SeekMode::FromCurrentPosition, &offset));
|
|
EXPECT_EQ(offset, static_cast<off_t>(i + step_size));
|
|
}
|
|
|
|
{
|
|
off_t offset = 0;
|
|
VERIFY(file->seek(0, Core::SeekMode::FromEndPosition, &offset));
|
|
EXPECT_EQ(offset, 10240);
|
|
}
|
|
|
|
{
|
|
off_t offset = 0;
|
|
VERIFY(file->seek(0, Core::SeekMode::SetPosition, &offset));
|
|
EXPECT_EQ(offset, 0);
|
|
}
|
|
}
|
|
|
|
TEST_CASE(file_lines_range)
|
|
{
|
|
auto path = "long_lines.txt";
|
|
auto file_or_error = Core::File::open(path, Core::OpenMode::ReadOnly);
|
|
if (file_or_error.is_error()) {
|
|
warnln("Failed to open {}: {}", path, file_or_error.error());
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
auto file = file_or_error.release_value();
|
|
auto output_path = "/tmp/output.txt";
|
|
auto outfile_or_error = Core::File::open(output_path, Core::OpenMode::WriteOnly);
|
|
auto outputfile = outfile_or_error.release_value();
|
|
for (auto line : file->lines()) {
|
|
outputfile->write(line);
|
|
outputfile->write("\n");
|
|
}
|
|
file->close();
|
|
outputfile->close();
|
|
VERIFY(files_have_same_contents(path, output_path));
|
|
unlink(output_path);
|
|
}
|