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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js new file mode 100644 index 0000000000..e05b225188 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js @@ -0,0 +1,28 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.3 +description: > + Throws a TypeError exception if boolean trap result is not the same as + target.[[IsExtensible]]() result +info: | + [[IsExtensible]] ( ) + + ... + 12. If SameValue(booleanTrapResult, targetResult) is false, throw a + TypeError exception. + ... +features: [Proxy] +---*/ + +var p = new Proxy({}, { + isExtensible: function(t) { + return false; + } +}); + +assert.throws(TypeError, function() { + Object.isExtensible(p); +}); + +reportCompare(0, 0); |