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Diffstat (limited to 'js/src/tests/test262/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js')
-rw-r--r-- | js/src/tests/test262/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js b/js/src/tests/test262/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js new file mode 100644 index 0000000000..3a09a6806b --- /dev/null +++ b/js/src/tests/test262/built-ins/JSON/parse/reviver-object-non-configurable-prop-create.js @@ -0,0 +1,51 @@ +// 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); + +reportCompare(0, 0); |