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Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/ownKeys/return-type-throws-array.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/ownKeys/return-type-throws-array.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/ownKeys/return-type-throws-array.js b/js/src/tests/test262/built-ins/Proxy/ownKeys/return-type-throws-array.js new file mode 100644 index 0000000000..37fb021f30 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/ownKeys/return-type-throws-array.js @@ -0,0 +1,39 @@ +// Copyright (C) 2017 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: > + The returned list must not have entries whose type does not match + « String, Symbol ». +info: | + [[OwnPropertyKeys]] ( ) + + ... + 7. Let trapResultArray be ? Call(trap, handler, « target »). + 8. Let trapResult be ? + CreateListFromArrayLike(trapResultArray, « String, Symbol »). + ... + + CreateListFromArrayLike ( obj [ , elementTypes ] ) + + ... + 6. Repeat, while index < len + ... + d. If Type(next) is not an element of elementTypes, + throw a TypeError exception. +features: [Proxy] +---*/ + +var p = new Proxy({}, { + ownKeys: function() { + return [ + [] + ]; + } +}); + +assert.throws(TypeError, function() { + Object.keys(p); +}); + +reportCompare(0, 0); |