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Fix the hasInstance hook of interface objects

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Step 2 wasn't properly implemented.
This commit is contained in:
Anthony Ramine 2016-02-15 13:00:46 +01:00
parent e08f817058
commit ae72d1dfbe
3 changed files with 40 additions and 11 deletions
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13
tests/wpt/web-platform-tests/WebIDL/ecmascript-binding/has-instance.html Normal file
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<!doctype html>
<meta charset="utf-8">
<title></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
var obj = Object.create(Element.prototype);
assert_true(obj instanceof Element);
assert_true(obj instanceof Node);
assert_false(obj instanceof Attr);
}, "Manually-constructed prototype chains are correctly handled by instanceof");
</script>