Fixed Array.prototype.fill().

This closes #71 issue on Github.

diff --git a/njs/njs_array.c b/njs/njs_array.c
index e78a7923c85e6d8132a8c4a5ee5fd28e5e5061b7..01228909c9298853911948433d8366e2b96986d4 100644 (file)
--- a/njs/njs_array.c
+++ b/njs/njs_array.c
@@ -1372,12 +1372,13 @@ static njs_ret_t
 njs_array_prototype_fill(njs_vm_t *vm, njs_value_t *args, nxt_uint_t nargs,
     njs_index_t unused)
 {
-    nxt_int_t    i, start, end, length;
-    njs_array_t  *array;
+    nxt_int_t          i, start, end, length;
+    njs_array_t        *array;
+    const njs_value_t  *value;
 
     vm->retval = args[0];
 
-    if (nargs < 2 || !njs_is_array(&args[0])) {
+    if (!njs_is_array(&args[0])) {
         return NXT_OK;
     }
 
@@ -1423,8 +1424,10 @@ njs_array_prototype_fill(njs_vm_t *vm, njs_value_t *args, nxt_uint_t nargs,
         }
     }
 
+    value = njs_arg(args, nargs, 1);
+
     for (i = start; i < end; i++) {
-        array->start[i] = args[1];
+        array->start[i] = *value;
     }
 
     return NXT_OK;

diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index 6a776d17c6ca24b53fec134ff9635492587508df..cc733d59d902eaa46e72f704153ea887efc9cf83 100644 (file)
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -3668,6 +3668,10 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("[1,2,3].fill({a:\"b\"}, 1, 2);"),
       nxt_string("1,[object Object],3") },
 
+    { nxt_string("Array(3).fill().reduce(function(a, x)"
+                                 "{ return a + (x === undefined); }, 0)"),
+      nxt_string("3") },
+
     { nxt_string("var a = [];"
                  "a.filter(function(v, i, a) { return v > 1 })"),
       nxt_string("") },