Fix Gauche implementation of json-object-ref to reflect string->symbol change.

Add tests to catch this error.

2 files changed, 16 insertions, 1 deletions

diff --git a/lib/zambyte/meta/gauche.scm b/lib/zambyte/meta/gauche.scm
index 88093e5..7f0a852 100644
--- a/lib/zambyte/meta/gauche.scm
+++ b/lib/zambyte/meta/gauche.scm
@@ -35,7 +35,7 @@
   (define json->string construct-json-string)
 
   (define (json-object-ref json key)
-    (let ((pair (assoc key json)))
+    (let ((pair (assoc (symbol->string key) json)))
       (if pair
 	  (cdr pair)
 	  ((json-key-not-found)))))
diff --git a/test/run.scm b/test/run.scm
index 6d8f9f0..a2a515b 100644
--- a/test/run.scm
+++ b/test/run.scm
@@ -74,6 +74,21 @@
 (test-assert "json-object-contains-key? should be met when the associated value is json-null"
   (json-object-contains-key? (json-object `(x . ,json-null)) 'x))
 
+(test-equal "json-ref should get a value associated with a key in an object"
+  5 (json-ref (json-object '(x . 5)) 'x))
+
+(test-equal "json-ref should get the value at an index of a list"
+  5 (json-ref (json-object '(x . 5) '(y . #t)) 'x))
+
+(test-equal "json-ref should get the value at an index of a list"
+  2 (json-ref (json-list 1 2 3) 1))
+
+(test-equal "json-ref should recursively get a value in a list in an object"
+  json-null (json-ref (json-object `(x . ,(json-list #t json-null #f))) 'x 1))
+
+(test-equal "json-ref should recursively get a value in an object in a list"
+  5 (json-ref (json-list (json-object) (json-object '(a . 4) '(b . 5) '(c . 6)) #t) 1 'b))
+
 ;; (json (object))				; => {}
 
 ;; (json (list))				; => []