tests for #299

Signed-off-by: Stuart Halloway <stu@thinkrelevance.com>

test/clojure/test_clojure.clj

@@ -50,6 +50,7 @@
       :clojure-zip
       :protocols
       :genclass
+      :main
       ])
 
 (def test-namespaces

test/clojure/test_clojure/main.clj

@@ -0,0 +1,24 @@
+;   Copyright (c) Rich Hickey. All rights reserved.
+;   The use and distribution terms for this software are covered by the
+;   Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
+;   which can be found in the file epl-v10.html at the root of this distribution.
+;   By using this software in any fashion, you are agreeing to be bound by
+;   the terms of this license.
+;   You must not remove this notice, or any other, from this software.
+
+; Author: Stuart Halloway
+
+
+(ns clojure.test-clojure.main
+  (:use clojure.test))
+
+(deftest eval-opt
+  (testing "evals and prints forms"
+    (is (= "2\n4\n" (with-out-str (#'clojure.main/eval-opt "(+ 1 1) (+ 2 2)")))))
+
+  (testing "skips printing nils"
+    (is (= ":a\n:c\n" (with-out-str (#'clojure.main/eval-opt ":a nil :c")))))
+
+  (testing "does not block access to *in* (#299)"
+    (with-in-str "(+ 1 1)"
+      (is (= "(+ 1 1)\n" (with-out-str (#'clojure.main/eval-opt "(read)")))))))