Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 86 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/JSON/parse/revived-proxy.js b/js/src/tests/test262/built-ins/JSON/parse/revived-proxy.js
new file mode 100644
index 0000000000..fd3c659907
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/parse/revived-proxy.js
@@ -0,0 +1,86 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-json.parse
+description: Behavior when revived value is a Proxy exotic object
+info: |
+  [...]
+  7. If IsCallable(reviver) is true, then
+     a. Let root be ObjectCreate(%ObjectPrototype%).
+     b. Let rootName be the empty String.
+     c. Let status be CreateDataProperty(root, rootName, unfiltered).
+     d. Assert: status is true.
+     e. Return ? InternalizeJSONProperty(root, rootName).
+
+  24.3.1.1 Runtime Semantics: InternalizeJSONProperty
+
+  [...]
+  2. If Type(val) is Object, then
+     a. Let isArray be ? IsArray(val).
+     b. If isArray is true, then
+        [...]
+     c. Else,
+        [...]
+
+  7.2.2 IsArray
+
+  [...]
+  3. If argument is a Proxy exotic object, then
+     a. If the value of the [[ProxyHandler]] internal slot of argument is null,
+        throw a TypeError exception.
+     b. Let target be the value of the [[ProxyTarget]] internal slot of
+        argument.
+     c. Return ? IsArray(target).
+features: [Proxy]
+---*/
+
+var objectProxy = new Proxy({
+  length: 0,
+  other: 0
+}, {});
+var arrayProxy = new Proxy([], {});
+var arrayProxyProxy = new Proxy(arrayProxy, {});
+var visitedOther, injectProxy;
+
+arrayProxy.other = 0;
+
+injectProxy = function(name, val) {
+  if (name === 'other') {
+    visitedOther = true;
+  }
+  this[1] = objectProxy;
+  return val;
+};
+visitedOther = false;
+
+JSON.parse('[null, null]', injectProxy);
+
+assert.sameValue(visitedOther, true, 'proxy for ordinary object');
+
+injectProxy = function(name, val) {
+  if (name === 'other') {
+    visitedOther = true;
+  }
+  this[1] = arrayProxy;
+  return val;
+};
+visitedOther = false;
+
+JSON.parse('[null, null]', injectProxy);
+
+assert.sameValue(visitedOther, false, 'proxy for array');
+
+injectProxy = function(name, val) {
+  if (name === 'other') {
+    visitedOther = true;
+  }
+  this[1] = arrayProxyProxy;
+  return val;
+};
+visitedOther = false;
+
+JSON.parse('[null, null]', injectProxy);
+
+assert.sameValue(visitedOther, false, 'proxy for array proxy');
+
+reportCompare(0, 0);