Add tests for quasiquoting

tests/__init__.py

@@ -4,6 +4,7 @@
 import hy  # noqa
 from .native_tests.defclass import *  # noqa
 from .native_tests.math import *  # noqa
+from .native_tests.quote import *  # noqa
 from .native_tests.language import *  # noqa
 from .native_tests.unless import *  # noqa
 from .native_tests.when import *  # noqa

tests/native_tests/language.hy

@@ -656,12 +656,6 @@
   (assert (= (foo 1 2 3 4) [1 2 3 4])))
 
 
-(defn test-quoted-hoistable []
-  "NATIVE: test quoted hoistable"
-  (setf f (quote (if true true true)))
-  (assert (= (car f) "if"))
-  (assert (= (cdr f) (quote (true true true)))))
-
 (defn test-undefined-name []
   "NATIVE: test that undefined names raise errors"
   (try

tests/native_tests/quote.hy

@@ -0,0 +1,45 @@
+(defn test-quote []
+  "NATIVE: test for quoting functionality"
+  (setf q (quote (a b c)))
+  (assert (= (len q) 3))
+  (assert (= q [(quote a) (quote b) (quote c)])))
+
+
+(defn test-quoted-hoistable []
+  "NATIVE: check whether quote works on hoisted things"
+  (setf f (quote (if true true true)))
+  (assert (= (car f) (quote if)))
+  (assert (= (cdr f) (quote (true true true)))))
+
+
+(defn test-quasiquote []
+  "NATIVE: test that quasiquote and quote are equivalent for simple cases"
+  (setf q (quote (a b c)))
+  (setf qq (quasiquote (a b c)))
+  (assert (= q qq)))
+
+
+(defn test-unquote []
+  "NATIVE: test that unquote works as expected"
+  (setf q (quote (unquote foo)))
+  (assert (= (len q) 2))
+  (assert (= (get q 1) (quote foo)))
+  (setf qq (quasiquote (a b c (unquote (+ 1 2)))))
+  (assert (= (len qq) 4))
+  (assert (= qq (quote (a b c 3)))))
+
+
+(defn test-unquote-splice []
+  "NATIVE: test splicing unquotes"
+  (setf q (quote (c d e)))
+  (setf qq (quasiquote (a b (unquote-splice q))))
+  (assert (= (len qq) 5))
+  (assert (= qq (quote (a b c d e)))))
+
+(defn test-nested-quasiquote []
+  "NATIVE: test nested quasiquotes"
+  (setf qq (quasiquote (1 (quasiquote (unquote (+ 1 (unquote (+ 2 3))))) 4)))
+  (setf q (quote (1 (quasiquote (unquote (+ 1 5))) 4)))
+  (assert (= (len q) 3))
+  (assert (= (get qq 1) (quote (quasiquote (unquote (+ 1 5))))))
+  (assert (= q qq)))