From 8c0ac19fa848aff00e0402043f0fbdc74efe8e9c Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Wed, 30 Dec 2015 23:30:50 -0800
Subject: [PATCH] Add full test

Test evaluate, tokenize, parser all at once
---
 src/evaluator.rs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/evaluator.rs b/src/evaluator.rs
index 303e63a..40ee681 100644
--- a/src/evaluator.rs
+++ b/src/evaluator.rs
@@ -73,8 +73,21 @@ fn reduce_step(ast: AST) -> EvaluatorResult<AST> {
     }
 }
 
-
 pub fn evaluate(ast: AST) -> String {
     let ev = Evaluator { ast: ast };
     ev.run()
 }
+
+#[cfg(test)]
+mod tests {
+    use tokenizer::tokenize;
+    use parser::{parse, AST};
+    use super::evaluate;
+
+    #[test]
+    fn test_basic_evaluation() {
+        let input = "1 + 2\n";
+        let output = evaluate(parse(tokenize(input)).unwrap());
+        assert_eq!(output, "3");
+    }
+}