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fn tests

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nora 2021-11-02 21:09:07 +01:00
parent 1c1cf390e6
commit 5f8be98da7
1 changed files with 83 additions and 0 deletions
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83
src/parse/test.rs
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@ -66,6 +66,89 @@ fn test_number_literal<F: FnOnce(Vec<Token<'_>>) -> Expr>(parser: F) {
assert_eq!(num_lit(10.0), unary);
}
mod r#fn {
use super::prelude::*;
fn parse_fn(tokens: Vec<Token>) -> Stmt {
let mut parser = parser(tokens);
parser.fn_decl().unwrap()
}
#[test]
fn empty() {
let tokens = [Fn, Ident("empty"), ParenO, ParenC, BraceO, BraceC]
.map(token)
.into();
let ast = parse_fn(tokens);
assert_eq!(
Stmt::FnDecl(FnDecl {
span: Span::dummy(),
name: Ident {
name: "empty".to_string(),
span: Default::default()
},
params: vec![],
body: Block {
stmts: vec![],
span: Default::default()
}
}),
ast
);
}
#[test]
fn params_body() {
let tokens = [
Fn,
Ident("empty"),
ParenO,
Ident("a"),
Comma,
Ident("b"),
ParenC,
BraceO,
Number(10.0),
Plus,
Number(20.0),
Semi,
BraceC,
]
.map(token)
.into();
let ast = parse_fn(tokens);
assert_eq!(
Stmt::FnDecl(FnDecl {
span: Span::dummy(),
name: Ident {
name: "empty".to_string(),
span: Default::default()
},
params: vec![
Ident {
name: "a".to_string(),
span: Default::default()
},
Ident {
name: "b".to_string(),
span: Default::default()
}
],
body: Block {
stmts: vec![Stmt::Expr(Expr::BinaryOp(Box::new(BinaryOp {
span: Default::default(),
lhs: num_lit(10.0),
rhs: num_lit(20.0),
kind: BinaryOpKind::Add,
})))],
span: Default::default()
}
}),
ast
);
}
}
mod r#if {
use super::prelude::*;