diff --git a/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js b/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js new file mode 100644 index 0000000000..95f803dbdf --- /dev/null +++ b/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js @@ -0,0 +1,49 @@ +// 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: > + [[DefineOwnProperty]] validates property descriptor before applying. + If [[DefineOwnProperty]] is unsuccessful, no exception is thrown. +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). + + CreateDataProperty ( O, P, V ) + + [...] + 4. Return ? O.[[DefineOwnProperty]](P, newDesc). +---*/ + +var json = '{"a": 1, "b": 2}'; +var obj = JSON.parse(json, function(key, value) { + if (key === 'a') { + Object.defineProperty(this, 'b', {configurable: false}); + } + if (key === 'b') return 22; + + return value; +}); + +assert.sameValue(obj.a, 1); +assert.sameValue(obj.b, 2); diff --git a/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-delete.js b/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-delete.js new file mode 100644 index 0000000000..cde956c582 --- /dev/null +++ b/test/built-ins/JSON/parse/reviver-object-non-configurable-prop-delete.js @@ -0,0 +1,49 @@ +// 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: > + [[Delete]] does not remove non-configurable properties. + If [[Delete]] is unsuccessful, no exception is thrown. +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 + a. Perform ? val.[[Delete]](P). + + OrdinaryDelete ( O, P ) + + [...] + 4. If desc.[[Configurable]] is true, then + a. Remove the own property with name P from O. +---*/ + +var json = '{"a": 1, "b": 2}'; +var obj = JSON.parse(json, function(key, value) { + if (key === 'a') { + Object.defineProperty(this, 'b', {configurable: false}); + } + if (key === 'b') return; + + return value; +}); + +assert.sameValue(obj.a, 1); +assert(obj.hasOwnProperty('b')); +assert.sameValue(obj.b, 2);