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Add proper test for literals and fixed typo bug

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This commit is contained in:
Edwin Cheng 2019-04-05 20:58:24 +08:00
parent 1ea0238e53
commit 7abc06bd57
3 changed files with 51 additions and 5 deletions
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43
crates/ra_mbe/src/syntax_bridge.rs
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@ -103,10 +103,12 @@ fn convert_tt(
Some(res)
}
#[derive(Debug)]
struct TtTokenSource {
tokens: Vec<TtToken>,
}
#[derive(Debug)]
struct TtToken {
kind: SyntaxKind,
is_joint_to_next: bool,
@ -355,3 +357,44 @@ impl<'a> TreeSink for TtTreeSink<'a> {
self.inner.error(error, self.text_pos)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::tests::{expand, create_rules};
#[test]
fn convert_tt_token_source() {
let rules = create_rules(
r#"
macro_rules! literals {
($i:ident) => {
{
let a = 'c';
let c = 1000;
let f = 12E+99_f64;
let s = "rust1";
}
}
}
"#,
);
let expansion = expand(&rules, "literals!(foo)");
let tt_src = TtTokenSource::new(&expansion);
// [{]
// [let] [a] [=] ['c'] [;]
assert_eq!(tt_src.tokens[1 + 3].text, "'c'");
assert_eq!(tt_src.tokens[1 + 3].kind, CHAR);
// [let] [c] [=] [1000] [;]
assert_eq!(tt_src.tokens[1 + 5 + 3].text, "1000");
assert_eq!(tt_src.tokens[1 + 5 + 3].kind, INT_NUMBER);
// [let] [f] [=] [12E+99_f64] [;]
assert_eq!(tt_src.tokens[1 + 10 + 3].text, "12E+99_f64");
assert_eq!(tt_src.tokens[1 + 10 + 3].kind, FLOAT_NUMBER);
// [let] [s] [=] ["rust1"] [;]
assert_eq!(tt_src.tokens[1 + 15 + 3].text, "\"rust1\"");
assert_eq!(tt_src.tokens[1 + 15 + 3].kind, STRING);
}
}