Fix inspect for the special case of an Object that inherits from Array, but has other properties.

1 files changed, 5 insertions, 1 deletions

diff --git a/test/mjsunit/test-sys.js b/test/mjsunit/test-sys.js
index 1c114d8d2..893efd0e3 100644
--- a/test/mjsunit/test-sys.js
+++ b/test/mjsunit/test-sys.js
@@ -13,6 +13,7 @@ assert.equal('null', inspect(null));
 assert.equal("\"\\n\\u0001\"", inspect("\n\u0001"));
 
 assert.equal('[]', inspect([]));
+assert.equal('[]', inspect(Object.create([])));
 assert.equal('[\n 1,\n 2\n]', inspect([1, 2]));
 assert.equal('[\n 1,\n [\n  2,\n  3\n ]\n]', inspect([1, [2, 3]]));
 
@@ -23,6 +24,9 @@ assert.equal('{\n "a": 1,\n "b": 2\n}', inspect({a: 1, b: 2}));
 assert.equal('{\n "a": {}\n}', inspect({'a': {}}));
 assert.equal('{\n "a": {\n  "b": 2\n }\n}', inspect({'a': {'b': 2}}));
 
-var value = {}
+var value = {};
 value['a'] = value;
 assert.equal('{\n "a": [Circular]\n}', inspect(value));
+value = Object.create([]);
+value.push(1);
+assert.equal('{\n "0": 1,\n "length": 1\n}', inspect(value));
\ No newline at end of file