Mirrors/rust-analyzer
2
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer synced 2024-12-26 04:53:34 +00:00
Code Issues Projects Releases Packages Wiki Activity

Added tests for Ptr.

Browse source
This commit is contained in:
Zach Lute 2018-09-04 23:26:11 -07:00
parent af0ae9ee04
commit d21fead150
1 changed files with 78 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
crates/libsyntax2/src/lexer/ptr.rs
View file

@ -86,3 +86,81 @@ impl<'s> Ptr<'s> {
self.text[len as usize..].chars()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_current() {
let ptr = Ptr::new("test");
assert_eq!(ptr.current(), Some('t'));
}
#[test]
fn test_nth() {
let ptr = Ptr::new("test");
assert_eq!(ptr.nth(0), Some('t'));
assert_eq!(ptr.nth(1), Some('e'));
assert_eq!(ptr.nth(2), Some('s'));
assert_eq!(ptr.nth(3), Some('t'));
assert_eq!(ptr.nth(4), None);
}
#[test]
fn test_at() {
let ptr = Ptr::new("test");
assert!(ptr.at('t'));
assert!(!ptr.at('a'));
}
#[test]
fn test_at_str() {
let ptr = Ptr::new("test");
assert!(ptr.at_str("t"));
assert!(ptr.at_str("te"));
assert!(ptr.at_str("test"));
assert!(!ptr.at_str("tests"));
assert!(!ptr.at_str("rust"));
}
#[test]
fn test_at_p() {
let ptr = Ptr::new("test");
assert!(ptr.at_p(|c| c == 't'));
assert!(!ptr.at_p(|c| c == 'e'));
}
#[test]
fn test_nth_is_p() {
let ptr = Ptr::new("test");
assert!(ptr.nth_is_p(0,|c| c == 't'));
assert!(!ptr.nth_is_p(1,|c| c == 't'));
assert!(ptr.nth_is_p(3,|c| c == 't'));
assert!(!ptr.nth_is_p(150,|c| c == 't'));
}
#[test]
fn test_bump() {
let mut ptr = Ptr::new("test");
assert_eq!(ptr.current(), Some('t'));
ptr.bump();
assert_eq!(ptr.current(), Some('e'));
ptr.bump();
assert_eq!(ptr.current(), Some('s'));
ptr.bump();
assert_eq!(ptr.current(), Some('t'));
ptr.bump();
assert_eq!(ptr.current(), None);
ptr.bump();
assert_eq!(ptr.current(), None);
}
#[test]
fn test_bump_while() {
let mut ptr = Ptr::new("test");
assert_eq!(ptr.current(), Some('t'));
ptr.bump_while(|c| c != 's');
assert_eq!(ptr.current(), Some('s'));
}
}