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Check for intended semantics

This commit is contained in:
André Bargull 2015-05-20 22:13:17 +02:00
parent ab6809cf47
commit eace19ef91
1 changed files with 4 additions and 3 deletions
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7
test/language/arguments-object/mapped/mapped-arguments-nonconfigurable-nonwritable-3.js
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@ -8,7 +8,6 @@ description: >
non-writable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
SetMutableBinding.
Specification bug: https://bugs.ecmascript.org/show_bug.cgi?id=4371
flags: [noStrict]
---*/
@ -17,11 +16,13 @@ function argumentsNonConfigurableThenNonWritableWithInterveningSetMutableBinding
a = 2;
Object.defineProperty(arguments, "0", {writable: false});
assert.sameValue(a, 2);
assert.sameValue(arguments[0], 1);
// `arguments[0] === 1` per ES2015, Rev 38, April 14, 2015 Final Draft.
// Specification bug: https://bugs.ecmascript.org/show_bug.cgi?id=4371
assert.sameValue(arguments[0], 2);
// Postcondition: Arguments mapping is removed.
a = 3;
assert.sameValue(a, 3);
assert.sameValue(arguments[0], 1);
assert.sameValue(arguments[0], 2);
}
argumentsNonConfigurableThenNonWritableWithInterveningSetMutableBinding(1);