auto merge of #9366 : olsonjeffery/rust/file_io_doc_cleanup, r=brson
fixing spew that @achricto was nice enough to point out to me
This commit is contained in:
bors
commit
635a381896
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@ -32,8 +32,7 @@ free function counterparts.
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use prelude::*;
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use super::support::PathLike;
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use super::{Reader, Writer, Seek};
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use super::{SeekStyle,SeekSet, SeekCur, SeekEnd,
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Open, Read, Write, Create, ReadWrite};
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use super::{SeekStyle, Read, Write};
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use rt::rtio::{RtioFileStream, IoFactory, IoFactoryObject};
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use rt::io::{io_error, read_error, EndOfFile,
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FileMode, FileAccess, FileStat, IoError,
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@ -42,7 +41,6 @@ use rt::io::{io_error, read_error, EndOfFile,
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use rt::local::Local;
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use option::{Some, None};
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use path::Path;
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use super::super::test::*;
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/// Open a file for reading/writing, as indicated by `path`.
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///
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@ -479,25 +477,29 @@ pub trait FileSystemInfo {
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///
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/// * Check if a file exists, reading from it if so
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///
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/// use std;
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/// use std::path::Path;
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/// use std::rt::io::file::{FileInfo, FileReader};
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/// ~~~{.rust}
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/// use std;
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/// use std::path::Path;
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/// use std::rt::io::file::{FileInfo, FileReader};
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///
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/// let f = &Path("/some/file/path.txt");
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/// if f.exists() {
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/// let reader = f.open_reader(Open);
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/// let mut mem = [0u8, 8*64000];
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/// reader.read(mem);
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/// // ...
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/// }
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/// let f = &Path("/some/file/path.txt");
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/// if f.exists() {
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/// let reader = f.open_reader(Open);
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/// let mut mem = [0u8, 8*64000];
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/// reader.read(mem);
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/// // ...
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/// }
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/// ~~~
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///
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/// * Is the given path a file?
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///
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/// let f = get_file_path_from_wherever();
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/// match f.is_file() {
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/// true => doing_something_with_a_file(f),
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/// _ => {}
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/// }
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/// ~~~{.rust}
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/// let f = get_file_path_from_wherever();
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/// match f.is_file() {
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/// true => doing_something_with_a_file(f),
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/// _ => {}
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/// }
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/// ~~~
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pub trait FileInfo : FileSystemInfo {
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/// Whether the underlying implemention (be it a file path,
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/// or something else) points at a "regular file" on the FS. Will return
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@ -572,27 +574,31 @@ impl FileInfo for Path { }
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///
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/// * Check if a directory exists, `mkdir`'ing it if not
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///
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/// use std;
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/// use std::path::Path;
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/// use std::rt::io::file::{DirectoryInfo};
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/// ~~~{.rust}
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/// use std;
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/// use std::path::Path;
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/// use std::rt::io::file::{DirectoryInfo};
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///
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/// let dir = &Path("/some/dir");
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/// if !dir.exists() {
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/// dir.mkdir();
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/// }
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/// let dir = &Path("/some/dir");
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/// if !dir.exists() {
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/// dir.mkdir();
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/// }
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/// ~~~
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///
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/// * Is the given path a directory? If so, iterate on its contents
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///
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/// fn visit_dirs(dir: &Path, cb: &fn(&Path)) {
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/// if dir.is_dir() {
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/// let contents = dir.readdir();
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/// for entry in contents.iter() {
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/// if entry.is_dir() { visit_dirs(entry, cb); }
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/// else { cb(entry); }
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/// }
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/// ~~~{.rust}
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/// fn visit_dirs(dir: &Path, cb: &fn(&Path)) {
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/// if dir.is_dir() {
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/// let contents = dir.readdir();
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/// for entry in contents.iter() {
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/// if entry.is_dir() { visit_dirs(entry, cb); }
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/// else { cb(entry); }
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/// }
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/// else { fail!("nope"); }
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/// }
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/// else { fail!("nope"); }
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/// }
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/// ~~~
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trait DirectoryInfo : FileSystemInfo {
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/// Whether the underlying implemention (be it a file path,
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/// or something else) is pointing at a directory in the underlying FS.
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@ -678,307 +684,291 @@ trait DirectoryInfo : FileSystemInfo {
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/// `DirectoryInfo` impl for `path::Path`
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impl DirectoryInfo for Path { }
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fn file_test_smoke_test_impl() {
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do run_in_mt_newsched_task {
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let message = "it's alright. have a good time";
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let filename = &Path("./tmp/file_rt_io_file_test.txt");
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{
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let mut write_stream = open(filename, Create, ReadWrite).unwrap();
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write_stream.write(message.as_bytes());
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}
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{
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use str;
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let mut read_stream = open(filename, Open, Read).unwrap();
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let mut read_buf = [0, .. 1028];
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let read_str = match read_stream.read(read_buf).unwrap() {
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-1|0 => fail!("shouldn't happen"),
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n => str::from_utf8(read_buf.slice_to(n))
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};
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assert!(read_str == message.to_owned());
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}
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unlink(filename);
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}
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}
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#[test]
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fn file_test_io_smoke_test() {
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file_test_smoke_test_impl();
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}
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fn file_test_invalid_path_opened_without_create_should_raise_condition_impl() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_that_does_not_exist.txt");
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let mut called = false;
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do io_error::cond.trap(|_| {
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called = true;
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}).inside {
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let result = open(filename, Open, Read);
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assert!(result.is_none());
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}
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assert!(called);
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}
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}
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#[test]
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fn file_test_io_invalid_path_opened_without_create_should_raise_condition() {
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file_test_invalid_path_opened_without_create_should_raise_condition_impl();
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}
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fn file_test_unlinking_invalid_path_should_raise_condition_impl() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_another_file_that_does_not_exist.txt");
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let mut called = false;
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do io_error::cond.trap(|_| {
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called = true;
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}).inside {
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#[cfg(test)]
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mod test {
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use super::super::{SeekSet, SeekCur, SeekEnd,
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io_error, Read, Create, Open, ReadWrite};
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use super::super::super::test::*;
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use option::{Some, None};
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use path::Path;
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use super::*;
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use iter::range;
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#[test]
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fn file_test_io_smoke_test() {
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do run_in_mt_newsched_task {
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let message = "it's alright. have a good time";
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let filename = &Path("./tmp/file_rt_io_file_test.txt");
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{
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let mut write_stream = open(filename, Create, ReadWrite).unwrap();
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write_stream.write(message.as_bytes());
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}
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{
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use str;
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let mut read_stream = open(filename, Open, Read).unwrap();
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let mut read_buf = [0, .. 1028];
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let read_str = match read_stream.read(read_buf).unwrap() {
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-1|0 => fail!("shouldn't happen"),
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n => str::from_utf8(read_buf.slice_to(n))
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};
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assert!(read_str == message.to_owned());
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}
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unlink(filename);
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}
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assert!(called);
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}
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}
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#[test]
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fn file_test_iounlinking_invalid_path_should_raise_condition() {
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file_test_unlinking_invalid_path_should_raise_condition_impl();
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}
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fn file_test_io_non_positional_read_impl() {
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do run_in_mt_newsched_task {
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use str;
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let message = "ten-four";
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let mut read_mem = [0, .. 8];
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let filename = &Path("./tmp/file_rt_io_file_test_positional.txt");
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{
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let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
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rw_stream.write(message.as_bytes());
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#[test]
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fn file_test_io_invalid_path_opened_without_create_should_raise_condition() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_that_does_not_exist.txt");
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let mut called = false;
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do io_error::cond.trap(|_| {
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called = true;
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}).inside {
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let result = open(filename, Open, Read);
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assert!(result.is_none());
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}
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assert!(called);
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}
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{
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let mut read_stream = open(filename, Open, Read).unwrap();
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}
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#[test]
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fn file_test_iounlinking_invalid_path_should_raise_condition() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_another_file_that_does_not_exist.txt");
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let mut called = false;
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do io_error::cond.trap(|_| {
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called = true;
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}).inside {
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unlink(filename);
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}
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assert!(called);
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}
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}
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#[test]
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fn file_test_io_non_positional_read() {
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do run_in_mt_newsched_task {
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use str;
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let message = "ten-four";
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let mut read_mem = [0, .. 8];
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let filename = &Path("./tmp/file_rt_io_file_test_positional.txt");
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{
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let read_buf = read_mem.mut_slice(0, 4);
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read_stream.read(read_buf);
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let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
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rw_stream.write(message.as_bytes());
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}
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{
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let read_buf = read_mem.mut_slice(4, 8);
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read_stream.read(read_buf);
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}
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}
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unlink(filename);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == message.to_owned());
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}
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}
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#[test]
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fn file_test_io_non_positional_read() {
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file_test_io_non_positional_read_impl();
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}
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fn file_test_io_seeking_impl() {
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do run_in_mt_newsched_task {
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use str;
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let message = "ten-four";
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let mut read_mem = [0, .. 4];
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let set_cursor = 4 as u64;
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let mut tell_pos_pre_read;
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let mut tell_pos_post_read;
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let filename = &Path("./tmp/file_rt_io_file_test_seeking.txt");
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{
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let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
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rw_stream.write(message.as_bytes());
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}
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{
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let mut read_stream = open(filename, Open, Read).unwrap();
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read_stream.seek(set_cursor as i64, SeekSet);
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tell_pos_pre_read = read_stream.tell();
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read_stream.read(read_mem);
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tell_pos_post_read = read_stream.tell();
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}
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unlink(filename);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == message.slice(4, 8).to_owned());
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assert!(tell_pos_pre_read == set_cursor);
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assert!(tell_pos_post_read == message.len() as u64);
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}
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}
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#[test]
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fn file_test_io_seek_and_tell_smoke_test() {
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file_test_io_seeking_impl();
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}
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fn file_test_io_seek_and_write_impl() {
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do run_in_mt_newsched_task {
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use str;
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let initial_msg = "food-is-yummy";
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let overwrite_msg = "-the-bar!!";
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let final_msg = "foo-the-bar!!";
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let seek_idx = 3;
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let mut read_mem = [0, .. 13];
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let filename = &Path("./tmp/file_rt_io_file_test_seek_and_write.txt");
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{
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let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
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rw_stream.write(initial_msg.as_bytes());
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rw_stream.seek(seek_idx as i64, SeekSet);
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rw_stream.write(overwrite_msg.as_bytes());
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}
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{
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let mut read_stream = open(filename, Open, Read).unwrap();
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read_stream.read(read_mem);
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}
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unlink(filename);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == final_msg.to_owned());
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}
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}
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#[test]
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fn file_test_io_seek_and_write() {
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file_test_io_seek_and_write_impl();
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}
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fn file_test_io_seek_shakedown_impl() {
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do run_in_mt_newsched_task {
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use str; // 01234567890123
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let initial_msg = "qwer-asdf-zxcv";
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let chunk_one = "qwer";
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let chunk_two = "asdf";
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let chunk_three = "zxcv";
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let mut read_mem = [0, .. 4];
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let filename = &Path("./tmp/file_rt_io_file_test_seek_shakedown.txt");
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{
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let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
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rw_stream.write(initial_msg.as_bytes());
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}
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{
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let mut read_stream = open(filename, Open, Read).unwrap();
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read_stream.seek(-4, SeekEnd);
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read_stream.read(read_mem);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == chunk_three.to_owned());
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read_stream.seek(-9, SeekCur);
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read_stream.read(read_mem);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == chunk_two.to_owned());
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read_stream.seek(0, SeekSet);
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read_stream.read(read_mem);
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let read_str = str::from_utf8(read_mem);
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assert!(read_str == chunk_one.to_owned());
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}
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unlink(filename);
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}
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}
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#[test]
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fn file_test_io_seek_shakedown() {
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file_test_io_seek_shakedown_impl();
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}
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|
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#[test]
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fn file_test_stat_is_correct_on_is_file() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_stat_correct_on_is_file.txt");
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{
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let mut fs = open(filename, Create, ReadWrite).unwrap();
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let msg = "hw";
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fs.write(msg.as_bytes());
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}
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let stat_res = match stat(filename) {
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Some(s) => s,
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None => fail!("shouldn't happen")
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};
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assert!(stat_res.is_file);
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unlink(filename);
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}
|
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}
|
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|
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#[test]
|
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fn file_test_stat_is_correct_on_is_dir() {
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do run_in_mt_newsched_task {
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let filename = &Path("./tmp/file_stat_correct_on_is_dir");
|
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mkdir(filename);
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let stat_res = match stat(filename) {
|
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Some(s) => s,
|
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None => fail!("shouldn't happen")
|
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};
|
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assert!(stat_res.is_dir);
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rmdir(filename);
|
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}
|
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}
|
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|
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#[test]
|
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fn file_test_fileinfo_false_when_checking_is_file_on_a_directory() {
|
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do run_in_mt_newsched_task {
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let dir = &Path("./tmp/fileinfo_false_on_dir");
|
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mkdir(dir);
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assert!(dir.is_file() == false);
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rmdir(dir);
|
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}
|
||||
}
|
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|
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#[test]
|
||||
fn file_test_fileinfo_check_exists_before_and_after_file_creation() {
|
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do run_in_mt_newsched_task {
|
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let file = &Path("./tmp/fileinfo_check_exists_b_and_a.txt");
|
||||
{
|
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let msg = "foo".as_bytes();
|
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let mut w = file.open_writer(Create);
|
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w.write(msg);
|
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}
|
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assert!(file.exists());
|
||||
file.unlink();
|
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assert!(!file.exists());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_directoryinfo_check_exists_before_and_after_mkdir() {
|
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do run_in_mt_newsched_task {
|
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let dir = &Path("./tmp/before_and_after_dir");
|
||||
assert!(!dir.exists());
|
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dir.mkdir();
|
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assert!(dir.exists());
|
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assert!(dir.is_dir());
|
||||
dir.rmdir();
|
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assert!(!dir.exists());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_directoryinfo_readdir() {
|
||||
use str;
|
||||
do run_in_mt_newsched_task {
|
||||
let dir = &Path("./tmp/di_readdir");
|
||||
dir.mkdir();
|
||||
let prefix = "foo";
|
||||
for n in range(0,3) {
|
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let f = dir.push(fmt!("%d.txt", n));
|
||||
let mut w = f.open_writer(Create);
|
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let msg_str = (prefix + n.to_str().to_owned()).to_owned();
|
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let msg = msg_str.as_bytes();
|
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w.write(msg);
|
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}
|
||||
match dir.readdir() {
|
||||
Some(files) => {
|
||||
let mut mem = [0u8, .. 4];
|
||||
for f in files.iter() {
|
||||
{
|
||||
let n = f.filestem();
|
||||
let mut r = f.open_reader(Open);
|
||||
r.read(mem);
|
||||
let read_str = str::from_utf8(mem);
|
||||
let expected = match n {
|
||||
Some(n) => prefix+n,
|
||||
None => fail!("really shouldn't happen..")
|
||||
};
|
||||
assert!(expected == read_str);
|
||||
}
|
||||
f.unlink();
|
||||
let mut read_stream = open(filename, Open, Read).unwrap();
|
||||
{
|
||||
let read_buf = read_mem.mut_slice(0, 4);
|
||||
read_stream.read(read_buf);
|
||||
}
|
||||
},
|
||||
None => fail!("shouldn't happen")
|
||||
{
|
||||
let read_buf = read_mem.mut_slice(4, 8);
|
||||
read_stream.read(read_buf);
|
||||
}
|
||||
}
|
||||
unlink(filename);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == message.to_owned());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_io_seek_and_tell_smoke_test() {
|
||||
do run_in_mt_newsched_task {
|
||||
use str;
|
||||
let message = "ten-four";
|
||||
let mut read_mem = [0, .. 4];
|
||||
let set_cursor = 4 as u64;
|
||||
let mut tell_pos_pre_read;
|
||||
let mut tell_pos_post_read;
|
||||
let filename = &Path("./tmp/file_rt_io_file_test_seeking.txt");
|
||||
{
|
||||
let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
|
||||
rw_stream.write(message.as_bytes());
|
||||
}
|
||||
{
|
||||
let mut read_stream = open(filename, Open, Read).unwrap();
|
||||
read_stream.seek(set_cursor as i64, SeekSet);
|
||||
tell_pos_pre_read = read_stream.tell();
|
||||
read_stream.read(read_mem);
|
||||
tell_pos_post_read = read_stream.tell();
|
||||
}
|
||||
unlink(filename);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == message.slice(4, 8).to_owned());
|
||||
assert!(tell_pos_pre_read == set_cursor);
|
||||
assert!(tell_pos_post_read == message.len() as u64);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_io_seek_and_write() {
|
||||
do run_in_mt_newsched_task {
|
||||
use str;
|
||||
let initial_msg = "food-is-yummy";
|
||||
let overwrite_msg = "-the-bar!!";
|
||||
let final_msg = "foo-the-bar!!";
|
||||
let seek_idx = 3;
|
||||
let mut read_mem = [0, .. 13];
|
||||
let filename = &Path("./tmp/file_rt_io_file_test_seek_and_write.txt");
|
||||
{
|
||||
let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
|
||||
rw_stream.write(initial_msg.as_bytes());
|
||||
rw_stream.seek(seek_idx as i64, SeekSet);
|
||||
rw_stream.write(overwrite_msg.as_bytes());
|
||||
}
|
||||
{
|
||||
let mut read_stream = open(filename, Open, Read).unwrap();
|
||||
read_stream.read(read_mem);
|
||||
}
|
||||
unlink(filename);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == final_msg.to_owned());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_io_seek_shakedown() {
|
||||
do run_in_mt_newsched_task {
|
||||
use str; // 01234567890123
|
||||
let initial_msg = "qwer-asdf-zxcv";
|
||||
let chunk_one = "qwer";
|
||||
let chunk_two = "asdf";
|
||||
let chunk_three = "zxcv";
|
||||
let mut read_mem = [0, .. 4];
|
||||
let filename = &Path("./tmp/file_rt_io_file_test_seek_shakedown.txt");
|
||||
{
|
||||
let mut rw_stream = open(filename, Create, ReadWrite).unwrap();
|
||||
rw_stream.write(initial_msg.as_bytes());
|
||||
}
|
||||
{
|
||||
let mut read_stream = open(filename, Open, Read).unwrap();
|
||||
|
||||
read_stream.seek(-4, SeekEnd);
|
||||
read_stream.read(read_mem);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == chunk_three.to_owned());
|
||||
|
||||
read_stream.seek(-9, SeekCur);
|
||||
read_stream.read(read_mem);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == chunk_two.to_owned());
|
||||
|
||||
read_stream.seek(0, SeekSet);
|
||||
read_stream.read(read_mem);
|
||||
let read_str = str::from_utf8(read_mem);
|
||||
assert!(read_str == chunk_one.to_owned());
|
||||
}
|
||||
unlink(filename);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_stat_is_correct_on_is_file() {
|
||||
do run_in_mt_newsched_task {
|
||||
let filename = &Path("./tmp/file_stat_correct_on_is_file.txt");
|
||||
{
|
||||
let mut fs = open(filename, Create, ReadWrite).unwrap();
|
||||
let msg = "hw";
|
||||
fs.write(msg.as_bytes());
|
||||
}
|
||||
let stat_res = match stat(filename) {
|
||||
Some(s) => s,
|
||||
None => fail!("shouldn't happen")
|
||||
};
|
||||
assert!(stat_res.is_file);
|
||||
unlink(filename);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_stat_is_correct_on_is_dir() {
|
||||
do run_in_mt_newsched_task {
|
||||
let filename = &Path("./tmp/file_stat_correct_on_is_dir");
|
||||
mkdir(filename);
|
||||
let stat_res = match stat(filename) {
|
||||
Some(s) => s,
|
||||
None => fail!("shouldn't happen")
|
||||
};
|
||||
assert!(stat_res.is_dir);
|
||||
rmdir(filename);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_fileinfo_false_when_checking_is_file_on_a_directory() {
|
||||
do run_in_mt_newsched_task {
|
||||
let dir = &Path("./tmp/fileinfo_false_on_dir");
|
||||
mkdir(dir);
|
||||
assert!(dir.is_file() == false);
|
||||
rmdir(dir);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_fileinfo_check_exists_before_and_after_file_creation() {
|
||||
do run_in_mt_newsched_task {
|
||||
let file = &Path("./tmp/fileinfo_check_exists_b_and_a.txt");
|
||||
{
|
||||
let msg = "foo".as_bytes();
|
||||
let mut w = file.open_writer(Create);
|
||||
w.write(msg);
|
||||
}
|
||||
assert!(file.exists());
|
||||
file.unlink();
|
||||
assert!(!file.exists());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_directoryinfo_check_exists_before_and_after_mkdir() {
|
||||
do run_in_mt_newsched_task {
|
||||
let dir = &Path("./tmp/before_and_after_dir");
|
||||
assert!(!dir.exists());
|
||||
dir.mkdir();
|
||||
assert!(dir.exists());
|
||||
assert!(dir.is_dir());
|
||||
dir.rmdir();
|
||||
assert!(!dir.exists());
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn file_test_directoryinfo_readdir() {
|
||||
use str;
|
||||
do run_in_mt_newsched_task {
|
||||
let dir = &Path("./tmp/di_readdir");
|
||||
dir.mkdir();
|
||||
let prefix = "foo";
|
||||
for n in range(0,3) {
|
||||
let f = dir.push(fmt!("%d.txt", n));
|
||||
let mut w = f.open_writer(Create);
|
||||
let msg_str = (prefix + n.to_str().to_owned()).to_owned();
|
||||
let msg = msg_str.as_bytes();
|
||||
w.write(msg);
|
||||
}
|
||||
match dir.readdir() {
|
||||
Some(files) => {
|
||||
let mut mem = [0u8, .. 4];
|
||||
for f in files.iter() {
|
||||
{
|
||||
let n = f.filestem();
|
||||
let mut r = f.open_reader(Open);
|
||||
r.read(mem);
|
||||
let read_str = str::from_utf8(mem);
|
||||
let expected = match n {
|
||||
Some(n) => prefix+n,
|
||||
None => fail!("really shouldn't happen..")
|
||||
};
|
||||
assert!(expected == read_str);
|
||||
}
|
||||
f.unlink();
|
||||
}
|
||||
},
|
||||
None => fail!("shouldn't happen")
|
||||
}
|
||||
dir.rmdir();
|
||||
}
|
||||
dir.rmdir();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue