Add reviver prototype chain lookup tests

test/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js

@@ -0,0 +1,44 @@
+// 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);

test/built-ins/JSON/parse/reviver-object-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
+      [...]
+    c. Else,
+      i. Let keys be ? EnumerableOwnPropertyNames(val, "key").
+      ii. For each String P in keys, do
+        1. Let newElement be ? InternalizeJSONProperty(val, P).
+        2. If newElement is undefined, then
+          [...]
+        3. Else,
+          a. Perform ? CreateDataProperty(val, P, newElement).
+---*/
+
+Object.prototype.b = 3;
+
+var json = '{"a": 1, "b": 2}';
+var obj = JSON.parse(json, function(key, value) {
+  if (key === 'a') {
+    assert(delete this.b);
+  }
+
+  return value;
+});
+
+assert(delete Object.prototype.b);
+assert.sameValue(obj.a, 1);
+assert(obj.hasOwnProperty('b'));
+assert.sameValue(obj.b, 3);