diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/slice/create-non-array-invalid-len.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/slice/create-non-array-invalid-len.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/slice/create-non-array-invalid-len.js b/js/src/tests/test262/built-ins/Array/prototype/slice/create-non-array-invalid-len.js new file mode 100644 index 0000000000..2e357f8c76 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/slice/create-non-array-invalid-len.js @@ -0,0 +1,44 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.slice +description: Abrupt completion from creating a new array +info: | + [...] + 8. Let A be ? ArraySpeciesCreate(O, count). + [...] + + 9.4.2.3 ArraySpeciesCreate + + [...] + 3. Let isArray be ? IsArray(originalArray). + 4. If isArray is false, return ? ArrayCreate(length). + + 9.4.2.2 ArrayCreate + + [...] + 3. If length>232-1, throw a RangeError exception. +---*/ + +var callCount = 0; +var maxLength = Math.pow(2, 32); +var obj = Object.defineProperty({}, 'length', { + get: function() { + return maxLength; + }, + set: function() { + callCount += 1; + } +}); + +assert.throws(RangeError, function() { + Array.prototype.slice.call(obj); +}); + +assert.sameValue( + callCount, + 0, + 'RangeError thrown during array creation, not property modification' +); + +reportCompare(0, 0); |