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Fix race condition in test_println_output test

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Philipp Oppermann
2019-04-25 20:17:00 +02:00
parent acfdf929ad
commit ae93dc18c3
1 changed files with 11 additions and 5 deletions
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16
src/vga_buffer.rs
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@@ -196,14 +196,20 @@ fn test_println_many() {
#[test_case]
fn test_println_output() {
use core::fmt::Write;
use x86_64::instructions::interrupts;
serial_print!("test_println_output... ");
let s = "Some test string that fits on a single line";
println!("{}", s);
for (i, c) in s.chars().enumerate() {
let screen_char = WRITER.lock().buffer.chars[BUFFER_HEIGHT - 2][i].read();
assert_eq!(char::from(screen_char.ascii_character), c);
}
interrupts::without_interrupts(|| {
let mut writer = WRITER.lock();
writeln!(writer, "\n{}", s).expect("writeln failed");
for (i, c) in s.chars().enumerate() {
let screen_char = writer.buffer.chars[BUFFER_HEIGHT - 2][i].read();
assert_eq!(char::from(screen_char.ascii_character), c);
}
});
serial_println!("[ok]");
}