From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Wed, 3 Jul 2019 14:16:40 +0000 (+0300)
Subject: Fixed Array.prototype.slice() for primitive types.
X-Git-Tag: 0.3.4~100
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=e6263dd0086779138aa3ab5fbac9b6b012639b0c;p=njs.git

Fixed Array.prototype.slice() for primitive types.

This closes #188 issue on Github.
---

diff --git a/njs/njs_array.c b/njs/njs_array.c
index b418b74f..2571dcd0 100644
--- a/njs/njs_array.c
+++ b/njs/njs_array.c
@@ -683,6 +683,17 @@ njs_array_prototype_slice_copy(njs_vm_t *vm, njs_value_t *this,
 
                 length--;
             } while (length != 0);
+
+        } else {
+
+            /* Primitive types. */
+
+            value = array->start;
+
+            do {
+                *value++ = njs_value_invalid;
+                length--;
+            } while (length != 0);
         }
     }
 
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index 24ecf857..b3607d48 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -3687,6 +3687,10 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("Array.prototype.slice.call(new String('αβZγ'))"),
       nxt_string("α,β,Z,γ") },
 
+    { nxt_string("1..__proto__.length = '2';"
+                 "Array.prototype.slice.call(1, 0, 2)"),
+      nxt_string(",") },
+
     { nxt_string("Array.prototype.pop()"),
       nxt_string("undefined") },