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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-delete-target.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-delete-target.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-delete-target.js b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-delete-target.js new file mode 100644 index 0000000000..14c970ecb5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-delete-target.js @@ -0,0 +1,35 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.copywithin +description: > + Return abrupt from deleting property value on DeletePropertyOrThrow(O, toKey). +info: | + 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) + + ... + 17. Repeat, while count > 0 + a. Let fromKey be ToString(from). + b. Let toKey be ToString(to). + c. Let fromPresent be HasProperty(O, fromKey). + ... + f. Else fromPresent is false, + i. Let deleteStatus be DeletePropertyOrThrow(O, toKey). + ii. ReturnIfAbrupt(deleteStatus). + ... +---*/ + +var o = { + length: 43 +}; + +Object.defineProperty(o, '42', { + configurable: false, + writable: true +}); + +assert.throws(TypeError, function() { + Array.prototype.copyWithin.call(o, 42, 0); +}); + +reportCompare(0, 0); |