Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js b/js/src/tests/test262/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js
new file mode 100644
index 0000000000..a148a6e55d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js
@@ -0,0 +1,46 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-internalizejsonproperty
+description: >
+  `name` property is obtained with [[Get]] from prototype chain.
+info: |
+  JSON.parse ( text [ , reviver ] )
+
+  [...]
+  7. If IsCallable(reviver) is true, then
+    [...]
+    d. Return ? InternalizeJSONProperty(root, rootName).
+
+  InternalizeJSONProperty ( holder, name )
+
+  1. Let val be ? Get(holder, name).
+  2. If Type(val) is Object, then
+    a. Let isArray be ? IsArray(val).
+    b. If isArray is true, then
+      [...]
+      iii. Repeat, while I < len,
+        1. Let newElement be ? InternalizeJSONProperty(val, ! ToString(I)).
+        2. If newElement is undefined, then
+          [...]
+        3. Else,
+          a. Perform ? CreateDataProperty(val, ! ToString(I), newElement).
+---*/
+
+Array.prototype[1] = 3;
+
+var json = '[1, 2]';
+var arr = JSON.parse(json, function(key, value) {
+  if (key === '0') {
+    assert(delete this[1]);
+  }
+
+  return value;
+});
+
+assert(delete Array.prototype[1]);
+assert.sameValue(arr[0], 1);
+assert(arr.hasOwnProperty('1'));
+assert.sameValue(arr[1], 3);
+
+reportCompare(0, 0);