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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/assign/target-is-frozen-accessor-property-set-succeeds.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/assign/target-is-frozen-accessor-property-set-succeeds.js b/js/src/tests/test262/built-ins/Object/assign/target-is-frozen-accessor-property-set-succeeds.js new file mode 100644 index 0000000000..36d3065b26 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/assign/target-is-frozen-accessor-property-set-succeeds.js @@ -0,0 +1,65 @@ +// Copyright (C) 2021 Alexey Shvayka. All rights reserved. +// This code is governed by the license found in the LICENSE file. + +/*--- +esid: sec-object.assign +description: > + [[Set]] to accessor property of frozen `target` succeeds. +info: | + SetIntegrityLevel ( O, level ) + + [...] + 3. Let status be ? O.[[PreventExtensions]](). + [...] + 7. Else, + a. Assert: level is frozen. + b. For each element k of keys, do + i. Let currentDesc be ? O.[[GetOwnProperty]](k). + ii. If currentDesc is not undefined, then + 1. If IsAccessorDescriptor(currentDesc) is true, then + a. Let desc be the PropertyDescriptor { [[Configurable]]: false }. + [...] + 3. Perform ? DefinePropertyOrThrow(O, k, desc). + 8. Return true. + + Object.assign ( target, ...sources ) + + [...] + 3. For each element nextSource of sources, do + a. If nextSource is neither undefined nor null, then + [...] + iii. For each element nextKey of keys, do + 1. Let desc be ? from.[[GetOwnProperty]](nextKey). + 2. If desc is not undefined and desc.[[Enumerable]] is true, then + [...] + b. Perform ? Set(to, nextKey, propValue, true). + + OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc ) + + [...] + 7. Perform ? Call(setter, Receiver, « V »). + 8. Return true. +features: [Symbol] +---*/ + +var value1 = 1; +var target1 = { + set foo(val) { value1 = val; }, +}; + +Object.freeze(target1); +Object.assign(target1, { foo: 2 }); +assert.sameValue(value1, 2); + + +var sym = Symbol(); +var value2 = 1; +var target2 = Object.freeze({ + set [sym](val) { value2 = val; }, +}); + +Object.freeze(target2); +Object.assign(target2, { [sym]: 2 }); +assert.sameValue(value2, 2); + +reportCompare(0, 0); |