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all: change optional to result of io (#16075)

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This commit is contained in:
yuyi
2022-10-16 14:28:57 +08:00
committed by GitHub
parent 6e46933c55
commit f6844e9766
187 changed files with 1885 additions and 1874 deletions
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44
vlib/os/notify/notify_test.v
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@ -4,7 +4,7 @@ import os
import os.notify
// make a pipe and return the (read, write) file descriptors
fn make_pipe() ?(int, int) {
fn make_pipe() !(int, int) {
$if linux {
pipefd := [2]int{}
if C.pipe(&pipefd[0]) != 0 {
@ -18,14 +18,14 @@ fn make_pipe() ?(int, int) {
fn test_level_trigger() {
// currently only linux is supported
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
os.fd_close(writer)
notifier.close() or {}
}
notifier.add(reader, .read)?
notifier.add(reader, .read)!
os.fd_write(writer, 'foobar')
mut n := &notifier
@ -39,14 +39,14 @@ fn test_level_trigger() {
fn test_edge_trigger() {
// currently only linux is supported
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
os.fd_close(writer)
notifier.close() or {}
}
notifier.add(reader, .read, .edge_trigger)?
notifier.add(reader, .read, .edge_trigger)!
mut n := &notifier
@ -66,14 +66,14 @@ fn test_edge_trigger() {
fn test_one_shot() {
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
os.fd_close(writer)
notifier.close() or {}
}
notifier.add(reader, .read, .one_shot)?
notifier.add(reader, .read, .one_shot)!
mut n := &notifier
@ -84,20 +84,20 @@ fn test_one_shot() {
assert notifier.wait(0).len == 0
// rearm
notifier.modify(reader, .read)?
notifier.modify(reader, .read)!
check_read_event(mut n, reader, 'barbaz')
}
}
fn test_hangup() {
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
notifier.close() or {}
}
notifier.add(reader, .hangup)?
notifier.add(reader, .hangup)!
assert notifier.wait(0).len == 0
@ -113,18 +113,18 @@ fn test_hangup() {
fn test_write() {
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
os.fd_close(writer)
notifier.close() or {}
}
notifier.add(reader, .write)?
notifier.add(reader, .write)!
assert notifier.wait(0).len == 0
notifier.add(writer, .write)?
notifier.add(writer, .write)!
events := notifier.wait(0)
assert events.len == 1
assert events[0].fd == writer
@ -134,8 +134,8 @@ fn test_write() {
fn test_remove() {
$if linux {
mut notifier := notify.new()?
reader, writer := make_pipe()?
mut notifier := notify.new()!
reader, writer := make_pipe()!
defer {
os.fd_close(reader)
os.fd_close(writer)
@ -144,12 +144,12 @@ fn test_remove() {
// level triggered - will keep getting events while
// there is data to read
notifier.add(reader, .read)?
notifier.add(reader, .read)!
os.fd_write(writer, 'foobar')
assert notifier.wait(0).len == 1
assert notifier.wait(0).len == 1
notifier.remove(reader)?
notifier.remove(reader)!
assert notifier.wait(0).len == 0
}
}