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extern crate libeditor;
extern crate itertools;
use std::fmt;
use itertools::Itertools;
use libeditor::{File, TextRange};
#[test]
fn test_extend_selection() {
let file = file(r#"fn foo() {
1 + 1
}
"#);
let range = TextRange::offset_len(18.into(), 0.into());
let range = file.extend_selection(range).unwrap();
assert_eq!(range, TextRange::from_to(17.into(), 18.into()));
let range = file.extend_selection(range).unwrap();
assert_eq!(range, TextRange::from_to(15.into(), 20.into()));
}
#[test]
fn test_highlighting() {
let file = file(r#"
// comment
fn main() {}
println!("Hello, {}!", 92);
"#);
let hls = file.highlight();
dbg_eq(
&hls,
r#"[HighlightedRange { range: [1; 11), tag: "comment" },
HighlightedRange { range: [12; 14), tag: "keyword" },
HighlightedRange { range: [15; 19), tag: "function" },
HighlightedRange { range: [29; 36), tag: "text" },
HighlightedRange { range: [38; 50), tag: "string" },
HighlightedRange { range: [52; 54), tag: "literal" }]"#
);
}
fn file(text: &str) -> File {
File::new(text)
}
fn dbg_eq(actual: &impl fmt::Debug, expected: &str) {
let expected = expected.lines().map(|l| l.trim()).join(" ");
assert_eq!(actual, expected);
}
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