diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/create-ctor-non-object.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/create-ctor-non-object.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/create-ctor-non-object.js b/js/src/tests/test262/built-ins/Array/prototype/concat/create-ctor-non-object.js new file mode 100644 index 0000000000..e903ec6b66 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/create-ctor-non-object.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.concat +description: > + Behavior when `constructor` property is neither an Object nor undefined +info: | + 1. Let O be ? ToObject(this value). + 2. Let A be ? ArraySpeciesCreate(O, 0). + + 9.4.2.3 ArraySpeciesCreate + + [...] + 5. Let C be ? Get(originalArray, "constructor"). + [...] + 9. If IsConstructor(C) is false, throw a TypeError exception. +---*/ + +var a = []; + +a.constructor = null; +assert.throws(TypeError, function() { + a.concat(); +}, 'a.concat() throws a TypeError exception'); + +a = []; +a.constructor = 1; +assert.throws(TypeError, function() { + a.concat(); +}, 'a.concat() throws a TypeError exception'); + +a = []; +a.constructor = 'string'; +assert.throws(TypeError, function() { + a.concat(); +}, 'a.concat() throws a TypeError exception'); + +a = []; +a.constructor = true; +assert.throws(TypeError, function() { + a.concat(); +}, 'a.concat() throws a TypeError exception'); + +reportCompare(0, 0); |