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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/ownKeys/return-not-list-object-throws.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/ownKeys/return-not-list-object-throws.js b/js/src/tests/test262/built-ins/Proxy/ownKeys/return-not-list-object-throws.js new file mode 100644 index 0000000000..858ca75c89 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/ownKeys/return-not-list-object-throws.js @@ -0,0 +1,34 @@ +// 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-proxy-object-internal-methods-and-internal-slots-ownpropertykeys +description: > + If return is not a list object, throw a TypeError exception +info: | + [[OwnPropertyKeys]] ( ) + + 7. Let trapResultArray be ? Call(trap, handler, « target »). + 8. Let trapResult be ? CreateListFromArrayLike(trapResultArray, « String, + Symbol »). + ... + + #sec-createlistfromarraylike + 7.3.17 CreateListFromArrayLike (obj [, elementTypes] ) + + 2. If Type(obj) is not Object, throw a TypeError exception. + +features: [Proxy, Symbol] +---*/ + +var target = {}; +var p = new Proxy(target, { + ownKeys: function() { + return undefined; + } +}); + +assert.throws(TypeError, function() { + Object.keys(p); +}); + +reportCompare(0, 0); |