var BUGNUMBER = 887016;
var summary = "String.prototype.replace should do nothing if lastIndex is invalid for sticky RegExp";

print(BUGNUMBER + ": " + summary);

if (Symbol.replace) {
    var re = /a/y;
    re.lastIndex = -1;
    assertEq("a".replace(re, "b"), "b");
    re.lastIndex = 0;
    assertEq("a".replace(re, "b"), "b");
    re.lastIndex = 1;
    assertEq("a".replace(re, "b"), "a");
    re.lastIndex = 2;
    assertEq("a".replace(re, "b"), "a");
    re.lastIndex = "foo";
    assertEq("a".replace(re, "b"), "b");
    re.lastIndex = "1";
    assertEq("a".replace(re, "b"), "a");
    re.lastIndex = {};
    assertEq("a".replace(re, "b"), "b");
}

if (typeof reportCompare === "function")
    reportCompare(true, true);
