From 8310766461baaf38ccd8d0b7d26fd42c77ecc90a Mon Sep 17 00:00:00 2001 From: Alexey Shvayka Date: Sun, 16 Feb 2020 20:54:33 +0200 Subject: [PATCH] Add Array#splice non-extensible test --- .../splice/target-array-non-extensible.js | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 test/built-ins/Array/prototype/splice/target-array-non-extensible.js diff --git a/test/built-ins/Array/prototype/splice/target-array-non-extensible.js b/test/built-ins/Array/prototype/splice/target-array-non-extensible.js new file mode 100644 index 0000000000..4c387550f5 --- /dev/null +++ b/test/built-ins/Array/prototype/splice/target-array-non-extensible.js @@ -0,0 +1,39 @@ +// 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 is non-extensible) +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) { + this.length = 0; + Object.preventExtensions(this); +}; + +var arr = [1]; +arr.constructor = {}; +arr.constructor[Symbol.species] = A; + +assert.throws(TypeError, function() { + arr.splice(0); +});