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Add tests for call expr parsing

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This commit is contained in:
greg 2016-01-17 00:08:46 -08:00
parent 80bc7ec089
commit 428d560e2a
1 changed files with 23 additions and 2 deletions
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25
src/parser.rs
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@ -29,7 +29,7 @@ pub struct Function {
pub body: Vec<Expression>,
}
#[derive(Debug, Clone)]
#[derive(Debug, Clone, PartialEq)]
pub struct Prototype {
pub name: String,
pub args: Vec<String>
@ -327,11 +327,32 @@ mod tests {
}
}
#[test]
fn call_parse_test() {
use super::ASTNode::*;
use super::Expression::*;
use super::Function;
parsetest!(
"fn a() 1 + 2 end",
[FuncNode(Function {prototype: Prototype { name: ref name, args: ref args }, body: ref body})],
match &body[..] { [BinExp(_, box Number(1.0), box Number(2.0))] => true, _ => false }
&& name == "a" && match &args[..] { [] => true, _ => false }
);
parsetest!(
"fn a(x,y) 1 + 2 end",
[FuncNode(Function {prototype: Prototype { name: ref name, args: ref args }, body: ref body})],
match &body[..] { [BinExp(_, box Number(1.0), box Number(2.0))] => true, _ => false }
&& name == "a" && *args == ["x","y"]
);
}
#[test]
fn expression_parse_test() {
use super::ASTNode::*;
use super::Expression::*;
parsetest!("a", [ASTNode::ExprNode(Expression::Variable(ref s))], s == "a");
parsetest!("a", [ExprNode(Variable(ref s))], s == "a");
parsetest!("a + b",
[ExprNode(BinExp(ref plus, box Variable(ref a), box Variable(ref b)))],
plus == "+" && a == "a" && b == "b");