summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js')
-rw-r--r--js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js b/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js
new file mode 100644
index 0000000000..f095e25566
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-result.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-serializejsonproperty
+description: >
+ Result of toJSON method is stringified.
+info: |
+ JSON.stringify ( value [ , replacer [ , space ] ] )
+
+ [...]
+ 12. Return ? SerializeJSONProperty(the empty String, wrapper).
+
+ SerializeJSONProperty ( key, holder )
+
+ [...]
+ 2. If Type(value) is Object, then
+ a. Let toJSON be ? Get(value, "toJSON").
+ b. If IsCallable(toJSON) is true, then
+ i. Set value to ? Call(toJSON, value, « key »).
+---*/
+
+assert.sameValue(
+ JSON.stringify({
+ toJSON: function() { return [false]; },
+ }),
+ '[false]'
+);
+
+var arr = [true];
+arr.toJSON = function() {};
+assert.sameValue(JSON.stringify(arr), undefined);
+
+var str = new String('str');
+str.toJSON = function() { return null; };
+assert.sameValue(JSON.stringify({key: str}), '{"key":null}');
+
+var num = new Number(14);
+num.toJSON = function() { return {key: 7}; };
+assert.sameValue(JSON.stringify([num]), '[{"key":7}]');
+
+reportCompare(0, 0);