From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 21 Mar 2017 13:09:09 +0000 (+0300)
Subject: The undefined values must be equal.
X-Git-Tag: 0.1.10~22
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=9c932e0a6f09422be9073e8fbb4ffea776864631;p=njs.git

The undefined values must be equal.
---

diff --git a/njs/njs_vm.c b/njs/njs_vm.c
index ecb61b43..a07daa54 100644
--- a/njs/njs_vm.c
+++ b/njs/njs_vm.c
@@ -2046,7 +2046,12 @@ njs_values_strict_equal(const njs_value_t *val1, const njs_value_t *val2)
     }
 
     if (njs_is_numeric(val1)) {
-        /* NaNs and Infinities are handled correctly by comparision. */
+
+        if (val1->type == NJS_VOID) {
+            return 1;
+        }
+
+        /* Infinities are handled correctly by comparision. */
         return (val1->data.u.number == val2->data.u.number);
     }
 
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index c4d7ed0d..b01576ec 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -1034,12 +1034,24 @@ static njs_unit_test_t  njs_test[] =
 
     /**/
 
-    { nxt_string("undefined < null"),
+    { nxt_string("undefined == undefined"),
+      nxt_string("true") },
+
+    { nxt_string("undefined != undefined"),
+      nxt_string("false") },
+
+    { nxt_string("undefined === undefined"),
+      nxt_string("true") },
+
+    { nxt_string("undefined !== undefined"),
       nxt_string("false") },
 
     { nxt_string("undefined < undefined"),
       nxt_string("false") },
 
+    { nxt_string("undefined < null"),
+      nxt_string("false") },
+
     { nxt_string("undefined < false"),
       nxt_string("false") },