length_string_object.js

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//length, string, object

var expected = "3,6,4,3,6,4,3,6,4,3,6,4,";

var actual = '';

function f() {

    var ss = [new String("abc"), new String("foobar"), new String("quux")];

    for (var i = 0; i < 12; ++i) {

        actual += ss[i%3].length + ',';

f();

assertEq(actual, expected);

function g(s) {

    return new String(s).length;

assertEq(g("x"), 1); // Warm-up

assertEq(g("x"), 1); // Create IC

assertEq(g("x"), 1); // Test IC

function h(s) {

    var x = new String(s);

    for (var i = 0; i < 100; i++)

        x[i] = i;

    return x.length;

assertEq(h("x"), 1);

assertEq(h("x"), 1);

assertEq(h("x"), 1);