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load(libdir + "asserts.js");
function f(arr)
{
arr.pop();
}
var N = 100;
function test()
{
// Create an array of arrays, to be iterated over for [].pop-calling. We
// can't just loop on pop on a single array with non-writable length because
// pop throws when called on an array with non-writable length.
var arrs = [];
for (var i = 0; i < N; i++)
arrs.push([0, 1, 2, 3]);
// Test Ion-pop where dense initialized length < length.
var a = [0, 1, 2];
a.length = 4;
arrs.push(a);
for (var i = 0, sz = arrs.length; i < sz; i++)
f(arrs[i]);
return arrs;
}
var arrs = test();
assertEq(arrs.length, N + 1);
for (var i = 0; i < N; i++)
{
assertEq(arrs[i].length, 3, "unexpected length for arrs[" + i + "]");
assertEq(arrs[i][0], 0, "bad element for arrs[" + i + "][0]");
assertEq(arrs[i][1], 1, "bad element for arrs[" + i + "][1]");
assertEq(arrs[i][2], 2, "bad element for arrs[" + i + "][2]");
assertEq(3 in arrs[i], false, "shouldn't be a third element");
assertEq(arrs[i][3], undefined);
}
var a = arrs[N];
assertEq(a.length, 3, "unexpected length for arrs[" + i + "]");
assertEq(a[0], 0, "bad element for arrs[" + i + "][0]");
assertEq(a[1], 1, "bad element for arrs[" + i + "][1]");
assertEq(a[2], 2, "bad element for arrs[" + i + "][2]");
assertEq(3 in a, false, "shouldn't be a third element");
assertEq(a[3], undefined);
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