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JSTests
/
es6
/
Array_is_subclassable_length_property_accessing.js
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function
test
()
{
class
C extends
Array
{}
var
c
=
new
C
();
var
len1
=
c
.
length
;
c
[
2
]
=
'foo'
;
var
len2
=
c
.
length
;
return
len1
===
0
&&
len2
===
3
;
}
if
(!
test
())
throw
new
Error
(
"Test failed"
);