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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/__proto__/set-immutable.js | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-immutable.js b/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-immutable.js new file mode 100644 index 0000000000..2472ca43ed --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-immutable.js @@ -0,0 +1,21 @@ +// 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-object.prototype.__proto__ +description: Called on an immutable prototype exotic object +info: | + [...] + 4. Let status be ? O.[[SetPrototypeOf]](proto). + 5. If status is false, throw a TypeError exception. +features: [__proto__] +---*/ + +Object.prototype.__proto__ = null; + +assert.throws(TypeError, function() { + Object.prototype.__proto__ = {}; +}); + +assert.sameValue(Object.getPrototypeOf(Object.prototype), null); + +reportCompare(0, 0); |