diff --git a/test/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js b/test/built-ins/JSON/parse/reviver-array-get-prop-from-prototype.js new file mode 100644 index 0000000000..d5f6c01b81 --- /dev/null +++ b/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); diff --git a/test/built-ins/JSON/parse/reviver-object-get-prop-from-prototype.js b/test/built-ins/JSON/parse/reviver-object-get-prop-from-prototype.js new file mode 100644 index 0000000000..f69839c776 --- /dev/null +++ b/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);