diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/JSON/parse/reviver-array-non-configurable-prop-create.js')
-rw-r--r-- | js/src/tests/test262/built-ins/JSON/parse/reviver-array-non-configurable-prop-create.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/JSON/parse/reviver-array-non-configurable-prop-create.js b/js/src/tests/test262/built-ins/JSON/parse/reviver-array-non-configurable-prop-create.js new file mode 100644 index 0000000000..848cf62b6b --- /dev/null +++ b/js/src/tests/test262/built-ins/JSON/parse/reviver-array-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 + [...] + 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). + + CreateDataProperty ( O, P, V ) + + [...] + 4. Return ? O.[[DefineOwnProperty]](P, newDesc). +---*/ + +var json = '[1, 2]'; +var arr = JSON.parse(json, function(key, value) { + if (key === '0') { + Object.defineProperty(this, '1', {configurable: false}); + } + if (key === '1') return 22; + + return value; +}); + +assert.sameValue(arr[0], 1); +assert.sameValue(arr[1], 2); + +reportCompare(0, 0); |