mirror of
https://github.com/LadybirdBrowser/ladybird.git
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5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
169 lines
4.2 KiB
C++
169 lines
4.2 KiB
C++
/*
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* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/NumericLimits.h>
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#include <Kernel/API/InodeWatcherEvent.h>
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#include <Kernel/API/InodeWatcherFlags.h>
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#include <LibTest/TestCase.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <utime.h>
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u8 buffer[MAXIMUM_EVENT_SIZE];
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InodeWatcherEvent* event = reinterpret_cast<InodeWatcherEvent*>(buffer);
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static int read_event(int fd)
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{
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int rc = read(fd, &buffer, MAXIMUM_EVENT_SIZE);
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return rc;
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}
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static ByteString get_event_name()
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{
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if (event->name_length == 0)
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return ByteString();
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return ByteString { event->name, event->name_length - 1 };
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}
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TEST_CASE(inode_watcher_metadata_modified_event)
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{
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int fd = create_inode_watcher(0);
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EXPECT_NE(fd, -1);
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int test_fd = creat("/tmp/testfile", 0777);
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EXPECT_NE(test_fd, -1);
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int wd = inode_watcher_add_watch(fd, "/tmp/testfile", 13, static_cast<unsigned>(InodeWatcherEvent::Type::MetadataModified));
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EXPECT_NE(wd, -1);
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// "touch" the file
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int rc = utime("/tmp/testfile", nullptr);
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EXPECT_NE(rc, -1);
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rc = read_event(fd);
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EXPECT_EQ(event->watch_descriptor, wd);
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EXPECT_EQ(event->type, InodeWatcherEvent::Type::MetadataModified);
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close(fd);
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close(test_fd);
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unlink("/tmp/testfile");
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}
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TEST_CASE(inode_watcher_content_modified_event)
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{
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int fd = create_inode_watcher(0);
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EXPECT_NE(fd, -1);
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int test_fd = creat("/tmp/testfile", 0777);
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EXPECT_NE(test_fd, -1);
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int wd = inode_watcher_add_watch(fd, "/tmp/testfile", 13, static_cast<unsigned>(InodeWatcherEvent::Type::ContentModified));
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EXPECT_NE(wd, -1);
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int rc = write(test_fd, "test", 4);
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EXPECT_NE(rc, -1);
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rc = read_event(fd);
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EXPECT_NE(rc, -1);
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EXPECT_EQ(event->watch_descriptor, wd);
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EXPECT_EQ(event->type, InodeWatcherEvent::Type::ContentModified);
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close(fd);
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close(test_fd);
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unlink("/tmp/testfile");
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}
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TEST_CASE(inode_watcher_deleted_event)
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{
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int fd = create_inode_watcher(0);
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EXPECT_NE(fd, -1);
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int test_fd = creat("/tmp/testfile", 0777);
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EXPECT_NE(test_fd, -1);
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int wd = inode_watcher_add_watch(fd, "/tmp/testfile", 13, static_cast<unsigned>(InodeWatcherEvent::Type::Deleted));
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EXPECT_NE(wd, -1);
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int rc = unlink("/tmp/testfile");
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EXPECT_NE(rc, -1);
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rc = read_event(fd);
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EXPECT_NE(rc, -1);
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EXPECT_EQ(event->watch_descriptor, wd);
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EXPECT_EQ(event->type, InodeWatcherEvent::Type::Deleted);
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close(fd);
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close(test_fd);
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}
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TEST_CASE(inode_watcher_child_events)
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{
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int fd = create_inode_watcher(0);
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EXPECT_NE(fd, -1);
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int wd = inode_watcher_add_watch(fd, "/tmp/", 5, static_cast<unsigned>(InodeWatcherEvent::Type::ChildCreated | InodeWatcherEvent::Type::ChildDeleted));
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EXPECT_NE(fd, -1);
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int rc = creat("/tmp/testfile", 0777);
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EXPECT_NE(rc, -1);
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rc = read_event(fd);
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EXPECT_NE(rc, -1);
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EXPECT_EQ(event->watch_descriptor, wd);
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EXPECT_EQ(event->type, InodeWatcherEvent::Type::ChildCreated);
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VERIFY(event->name_length > 0);
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EXPECT_EQ(get_event_name(), "testfile");
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rc = unlink("/tmp/testfile");
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EXPECT_NE(rc, -1);
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rc = read_event(fd);
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EXPECT_NE(rc, -1);
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EXPECT_EQ(event->watch_descriptor, wd);
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EXPECT_EQ(event->type, InodeWatcherEvent::Type::ChildDeleted);
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VERIFY(event->name_length > 0);
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EXPECT_EQ(get_event_name(), "testfile");
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close(fd);
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}
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TEST_CASE(inode_watcher_closes_children_on_close)
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{
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int fd = create_inode_watcher(0);
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EXPECT_NE(fd, -1);
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int test_fd = creat("/tmp/testfile", 0777);
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EXPECT_NE(test_fd, -1);
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int wd = inode_watcher_add_watch(fd, "/tmp/testfile", 13, static_cast<unsigned>(InodeWatcherEvent::Type::MetadataModified));
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EXPECT_NE(wd, -1);
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int rc = utime("/tmp/testfile", nullptr);
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EXPECT_NE(rc, -1);
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close(fd);
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rc = read_event(fd);
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EXPECT_EQ(rc, -1);
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EXPECT_EQ(errno, EBADF);
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close(test_fd);
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unlink("/tmp/testfile");
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}
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TEST_CASE(inode_watcher_nonblock)
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{
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int fd = create_inode_watcher(static_cast<unsigned>(InodeWatcherFlags::Nonblock));
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EXPECT_NE(fd, -1);
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int rc = read_event(fd);
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EXPECT_EQ(rc, -1);
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EXPECT_EQ(errno, EAGAIN);
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close(fd);
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}
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