diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js new file mode 100644 index 0000000000..93727a9a1c --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/splice/target-array-with-non-configurable-property.js @@ -0,0 +1,43 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.splice +description: > + TypeError is thrown if CreateDataProperty fails. + (result object's "0" is non-configurable) +info: | + Array.prototype.splice ( start, deleteCount, ...items ) + + [...] + 11. Repeat, while k < actualDeleteCount + [...] + c. If fromPresent is true, then + [...] + ii. Perform ? CreateDataPropertyOrThrow(A, ! ToString(k), fromValue). + [...] + + CreateDataPropertyOrThrow ( O, P, V ) + + [...] + 3. Let success be ? CreateDataProperty(O, P, V). + 4. If success is false, throw a TypeError exception. +features: [Symbol.species] +---*/ + +var A = function(_length) { + Object.defineProperty(this, "0", { + writable: true, + configurable: false, + }); +}; + +var arr = [1]; +arr.constructor = {}; +arr.constructor[Symbol.species] = A; + +assert.throws(TypeError, function() { + arr.splice(0); +}); + +reportCompare(0, 0); |